Iowa Department of Transportation
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Research and Technology Bureau

Research Reports

Abstract or report numbers that are highlighted blue are available for immediate download. Note that some older reports have very large file sizes. If you prefer, you may request a hard copy of those reports from Mark Dunn.

Search Reports


 
TOPIC TITLE ABSTRACT/
TECH BRIEF 		REPORT YEAR NUMBER
ACC Paving
 Asbestos Fibers in Type B Asphaltic Concrete Surface Course, 1968 Abstract
1968 MLR-6701
ACC Paving
 Asphalt Curb Mixes, 1985 Abstract
1985 MLR-8506
ACC Paving
 Oils and Tars in Iowa Bituminous Shales, 1962 Abstract
Report
 1962 HR-32
ACC Paving
 Field Tests of Treatment of Fine Materials, 1964 Abstract
Report
 1964 HR-44
ACC Paving
 X-Ray Diffraction Analysis of Highway Materials, 1963 Abstract
Report
 1963 HR-48
ACC Paving
 Serviceability of Bituminous Paving Mixtures, 1961 Abstract
Report
 1981 HR-53
ACC Paving
 Foamed Asphalt in Soil Stabilization, 1958 Abstract
Report
 1958 HR-54
ACC Paving
 Experimental Road in Carroll County FM, Road Project No. SN-821, 1959 Abstract
Report
 1959 HR-56
ACC Paving
 Experimental Road in Carroll County, Secondary Road Project No. TP-1-57, 1959 Abstract
Report
 1959 HR-57
ACC Paving
 Experimental Road in Audubon County, FM Road Project SN-242, 1959 Abstract
Report
 1959 HR-58
ACC Paving
 Foamed Asphalt in Slurry Seal Coats, 1958 Abstract
Report
 1958 HR-63
ACC Paving
 Iowa Aggregates for Slurry Seal Coats, 1960 Abstract
Report
 1960 HR-69
ACC Paving
 Properties of Carbonate Aggregates, 1961 Abstract
Report
 1961 HR-70
ACC Paving
 Effect of Asphaltic Fillers, 1963 Abstract
Report
 1963 HR-79
ACC Paving
 Cauldron Test of Asphaltic Concrete, 1963 Abstract
Report
 1963 HR-80
ACC Paving
 Behavior of Asphalts in Production of Asphaltic Concrete, 1965 Abstract
Report
 1965 HR-107
ACC Paving
 Development of a Laboratory Durability Test for Asphalts, 1972 Abstract
1972 HR-124
ACC Paving
 Absorption of Asphalt by Aggregate - Part II, 1971 Abstract
1971 HR-142
ACC Paving
 Investigation of the Nature and Hazards of Asphalt Plant Pollution Problems, 1971 Abstract
Report
 1971 HR-153
ACC Paving
 Evaluation of Gap Graded Asphalt Concrete Mixtures, 1973 Abstract
1973 HR-157
ACC Paving
 Part II: Statistical Design and Analysis Abstract
1973 HR-157 Part II
ACC Paving
 Part III: Appendix Abstract
1973 HR-157 Part III
ACC Paving
 Prevention of Reflective Cracking in Asphalt Overlays, 1972 Abstract
Report
 1972 HR-158
ACC Paving
 Experimental Macadam Stone Base, 1977 Abstract
1977 HR-175
ACC Paving
 Recycled Asphalt Pavements, 1982 Abstract
Report
 1982 HR-176
ACC Paving
 The Evaluation of Macadam Stone Shoulders, 1981 Abstract
Report
 1981 HR-181
ACC Paving
 An Evaluation of Cover Aggregate Stripping Characteristics, 1979 Abstract
Report
 1979 HR-182
ACC Paving
 Evaluation of Air Pollution Control Devices for Asphalt Pavement Recycling Operation, 1982 Abstract
Report
 1982 HR-188
ACC Paving
 Improved Asphalt Surfaces and Resurfacing Performance Through Crack Maintenance, 1987 Abstract
1987 HR-213
ACC Paving
 Asphalt Emulsion Bound Macadam (Demo 55), 1985 Abstract
1985 HR-216
ACC Paving
 Reducing the Adverse Effects of Transverse Cracking, 1984 Abstract
1984 HR-217
ACC Paving
 Retardation of Reflection Cracking Using Stabilizing Agent 5990, 1987 Abstract
1987 HR-222
ACC Paving
 Reducing the Problem of Transverse Cracking, 1985 Abstract
1985 HR-232
ACC Paving
 Field Demonstration of Foamed Asphalt, 1985 Abstract
1985 HR-233
ACC Paving
 Field Demonstration of Foamed Asphalt, 1985 Abstract
1985 HR-233
ACC Paving
 Field Demonstration of Foamed Asphalt, 1988 Abstract
1988 HR-257
ACC Paving
 Field Demonstration of Foamed Asphalt, 1988 Abstract
1988 HR-257
ACC Paving
 Beneficial Effects of Selected Additives on Asphalt Cement Mixes, 1987 Abstract
1987 HR-278
ACC Paving
 Correlation of Locally Based Performance of Asphalts with their Physico-Chemistry, 1990 Abstract
1990 HR-298
ACC Paving
 Field Evaluation of Cold In-Place Recycling of Asphalt Concrete, 1993 Abstract
1993 HR-303
ACC Paving
 Comparison of Creep and Resilient Modulus Laboratory Results With Field Cores, 1993 Abstract
1993 HR-311
ACC Paving
 Asphalt Rubber Projects, 1996 Abstract
1996 HR-330
ACC Paving
 Field Evaluation of Engineering Fabrics for Asphalt Concrete Resurfacing, 2002 Abstract
Report
 2002 HR-360
ACC Paving
 Review of Cold In-Place Recycled Asphalt Projects, 1998 Abstract
1998 HR-392
ACC Paving
 Review of Cold In-Place Recycled Asphalt Projects, 1992 Abstract
Report
 1992 HR-392
ACC Paving
 Superpave Mix Designs for Low Volume Roads, 2004 Abstract
2004 TR-414
ACC Paving
 A Laboratory Investigation Into the Effects of Aggregate-Related Factors of Critical VMA in Asphalt Paving Mixtures, 2000 Abstract
2000 TR-415
ACC Paving
 Pre-Treatment for Reduction of Asphalt Absorption in Porous Aggregate, 2005 Abstract
2005 TR-422
ACC Paving
 Development of a Mix Design Process for Cold-in-Place Rehabilitation Using Foamed Asphalt. Abstract
2003 TR-474 Phase I
ACC Paving
 Validation of the Mix Design Process for Cold In-Place Rehabilitation Using Foamed Asphalt - PHASE II, June 2007 Abstract
2007 TR-474 Phase II
ACC Paving
 Evaluation of Long Term Field Performance of Cold In-Place Recycled Roads, June 2007 Abstract
2007 TR-502
ACC Paving
 Implementing the Mechanistic-Empirical Pavement Design Guide: Technical Report, 2005 Abstract
2005 TR-509
ACC Paving
 Implementing the Mechanistic-Empirical Pavement Design Guide: Technical Report, 2005 Abstract
2005 TR-509
ACC Paving
 Asphalt Sprinkle Treatment-Federal Aid Project, 1986 Abstract
1986 HR-507
ACC Paving
 Asphalt Concrete Containing Asphadur, 1983 Abstract
1983 HR-511
ACC Paving
 Evaluation of Asphalt Sprinkle Treatments (F.A. Projs. 1978), 1978 Abstract
1978 HR-512
ACC Paving
 Asphalt Concrete Containing Additive 5990 - Scott County, 1988 Abstract
Report
 1988 HR-518
ACC Paving
 Asphalt Cement Concrete Containing AC-13, 1988 Abstract
1988 HR-522
ACC Paving
 City of Muscatine Foamed Asphalt, 1993 Abstract
1993 HR-529
ACC Paving
 Fast Track Overlay, 1990 Abstract
1990 HR-531
ACC Paving
 Polymerized Asphalt Cement, 1989 Abstract
1989 HR-533
ACC Paving
 Evaluation of Glasgrid in AC Overlay, 1990 Abstract
1990 HR-535
ACC Paving
 Using Scanning Lasers for Real-Time Pavement Thickness Measurement, 2006 Abstract
2006 TR-538
ACC Paving
 PHASE II – Examination of Curing Criteria for Cold In-Place Recycling" – Hosin "David" Lee, The University of Iowa Abstract
2009 TR-590
ACC Paving
 Evaluation of Asphalt Stabilizing Additives (DTFH 7188), 1994 Abstract
1994 HR-542
ACC Paving
 Asphalt Rubber Cement Concrete - Webster Co. NHS-169-6(43)-1994, 1992 Abstract
1994 HR-555
ACC Paving
 Comparison of SUPERPAVE and Marshall Design ACC Resurfacing, 2001 Abstract
Report
 2001 HR-564
ACC Paving
 Evaluation of Recycled Asphalt Concrete-Kossuth Co. DOT-FH-15-206, 1980 Abstract
1980 HR-1008
ACC Paving
 Recycling of Cass County I-80 Asphalt Concrete, 1978 Abstract
1978 HR-1011
ACC Paving
 Evaluation of 1977 Asphalt Concrete Sprinkle Treatment DOT-FH-15-255, 1980 Abstract
1980 HR-1012
ACC Paving
 Data Bank for Recycled Bituminous Concrete Pavements, 1982 Abstract
Report
 1982 HR-1017
ACC Paving
 ACC Pavement Recycling, Cass and Montgomery Co.'s DOT-FH-15-336, Demo 39, 1986 Abstract
1986 HR-1018
ACC Paving
 Transverse Cracking Problems in Asphalt Pavement Overlays (KS, NE, OK), 1981 Abstract
1981 HR-1020
ACC Paving
 Asphalt Emulsions for Hwy Construction (Emulsion Seal Coat)Kossuth and Dubuque (Demo 55), 1984 Abstract
1984 HR-1028
ACC Paving
 Pooled Fund Asphalt Rubber, 1983 Abstract
Report
 1983 HR-1030
ACC Paving
 Production of Asphalt Rubber Concrete by the Dry Process, 1994 Abstract
Report
 1984 HR-1062
ACC Paving
 Pooled Fund Study for Premature Rigid Pavement Deterioration, 1997 Abstract
1997 HR-1063
ACC Paving
 Asbestos Fibers in Type B Asphaltic Concrete Surface Course, 1968 Abstract
1968 MLR-6701
ACC Paving
 Variability in Asphalt Paving Materials, 1968 Abstract
Report
 1968 MLR-6801
ACC Paving
 Correlation Studies of BPR Type Roughness vs PCA Type Road Meter, 1968 Abstract
1968 MLR-6802
ACC Paving
 The Use of Wire mesh Reinforcement in Asphalt Concrete Overlays, 1969 Abstract
Report
 1969 MLR-6902
ACC Paving
 Sprinkle Treat of Asphalt Pavements-IA's Experience in 1977 (Slides), 1978 Abstract
1978 MLR-7801
ACC Paving
 A Laboratory Evaluation of Asphaltic Concrete Containing Asphadur, 1978 Abstract
1978 MLR-7802
ACC Paving
 Frictional Properties of New ACC Pavements in Iowa, 1978 Abstract
1978 MLR-7803
ACC Paving
 Penetration Characteristics of Asphalt in a Recycled Mix, 1979 Abstract
1979 MLR-7903
ACC Paving
 Frictional Properties of New ACC Pavements in Iowa, 1978 Abstract
1978 MLR-8201
ACC Paving
 Effect of Oven Heating Time of Asphaltic Concentration on Marshall Stability, 1982 Abstract
1982 MLR-8202
ACC Paving
 An Investigation of the I-80 Rutting in Adair County, 1983 Abstract
1983 MLR-8302
ACC Paving
 Performance of Reinforcement Fabric Used Under Asphaltic Concrete Overlays, 1983 Abstract
1983 MLR-8303
ACC Paving
 Use of Reagent Grade Vs Industrial Grade Trichloroethylene in Asphalt Recovery, 1983 Abstract
1983 MLR-8305
ACC Paving
 Investigation of the Effect of Reheating Asphalts on the Test Result, 1984 Abstract
Report
 1984 MLR-8409
ACC Paving
 Difference in Max Specific Gravity Test Results Using Yale Pyrometer and H.P. Air Meter, 1984 Abstract
Report
 1984 MLR-8412
ACC Paving
 The Effect of Rejuvenators on Asphalt Cement, 1985 Abstract
Report
 1985 MLR-8504
ACC Paving
 Asphalt Curb Mixes, 1985 Abstract
1985 MLR-8506
ACC Paving
 Evaluation of Fly Ash Concrete Durability Containing Class II Durability Aggregates 1986 Abstract
1986 MLR-8508
ACC Paving
 Evaluation of Troxler 3241 Nuclear Asphalt Content Gauge, 1986 Abstract
1986 MLR-8511
ACC Paving
 Mix Variations Caused by Different Asphalt Cements, 1985 Abstract
Report
 1985 MLR-8512
ACC Paving
 Evaluation of Asphalt Mixes From Reclaimed Concrete Aggregates, 1986 Abstract
1986 MLR-8507
ACC Paving
 Evaluation of Fly Ash Concrete Durability Containing Class II Durability Aggregates, 1986 Abstract
1986 MLR-8508
ACC Paving
 Evaluation of Troxler 3241 Nuclear Asphalt Content Gauge, 1986 Abstract
1986 MLR-8511
ACC Paving
 Mix Variations Caused by Different Asphalt Cements, 1985 Abstract
1985 MLR-8512
ACC Paving
 Effect of Compaction on the Aggregate Fracturing of Asphalt Concrete, 1986 Abstract
1986 MLR-8607
ACC Paving
 Effect of Delay in Testing Asphaltic Concrete Specimens for Marshall Stability, 1986 Abstract
1986 MLR-8608
ACC Paving
 Review of 1986 Asphalt Concrete Mix Production Control, 1986 Abstract
Report
 1986 MLR-8609
ACC Paving
 Effect of Anti-Strip Agents on Temp Susceptibility of Asphalt Cements, 1987 Abstract
1987 MLR-8701
ACC Paving
 A Review of the Frictional Properties of Asphaltic Concrete Pavements in Iowa, 1987 Abstract
Report
 1987 MLR-8705
ACC Paving
 Evaluation of Polyphosphate Corrosion Inhibitor, 1988 Abstract
1988 MLR-8708
ACC Paving
 Analysis of Grad Differences Between Cold Feed and Extracted Bituminous Mix Sample, 1988 Abstract
1988 MLR-8802
ACC Paving
 Comparison Study of Frictional Properties of Recycled vs Virgin Aggregate Asphalt Pavements, 1988 Abstract
Report
 1988 MLR-8803
ACC Paving
 Effect of Bond Performance of Reheated Asphalt Joint Sealer, 1988 Abstract
Report
 1988 MLR-8809
ACC Paving
 Effects of Primer Coatings on Bonding of Hot Poured Asphalt Joint Sealers, 1988 Abstract
Report
 1988 MLR-8810
ACC Paving
 Determination of Asphalt Content and Characteristics of Bituminous Paving Mixtures, 1988 Abstract
1988 MLR-8811
ACC Paving
 The Effects of Crushed Particles in Asphalt Mixtures, 1990 Abstract
1990 MLR-8816
ACC Paving
 Evaluation of the Baladi Indirect Tensile Appartus, 1990 Abstract
1990 MLR-8908
ACC Paving
 Laboratory Evaluation of Asphalt-Rubber in Asphalt Paving Mixtures, 1990 Abstract
1990 MLR-8915
ACC Paving
 Evaluation of Asphalt Mix Permeability, 1992 Abstract
1992 MLR-9002
ACC Paving
 Evaluation of Asphalt Mix Permeability, 1992 Abstract
1992 MLR-9005
ACC Paving
 Evaluation of Asphalt Mix Designs, 1991 Abstract
Report
 1991 MLR-9106
ACC Paving
 Use of Sealant to Repair Segregation in Asphalt Concrete, 1992 Abstract
Report
 1992 MLR-9205
ACC Paving
 SHRP Binder Performance Grade Testing, 1994 Abstract
Report
 1994 MLR-9402
ACC Paving
 SHRP Mix Design Level One Asphalt Demonstration, 1994 Abstract
Report
 1994 MLR-9403
ACC Paving
 Oven Cure Time of AC Mixes-Steel Slag and Volumetrics, 1994 Abstract
Report
 1994 MLR-9404
ACC Paving
 Laboratory Testing of SHRP SPS-2 PCC Mixes, 1995 Abstract
Report
 1995 MLR-9405
ACC Paving
 Comparison of Mix Designs by Marshall Method and Superpave SHRP Method, 1995 Abstract
Report
 1995 MLR-9501
ACC Paving
 Comparison of Marshall and Gyratory Compaction of Asphalt Mixes, 1995 Abstract
Report
 1995 MLR-9502
ACC Paving
 Minimum VMA in HMA Based on Gradation and Volumetric Properties, 1996 Abstract
Report
 1996 MLR-9507
ACC Paving
 Minimum VMA in HMA Based on Gradation and Volumetric Properties, 1996 Abstract
Report
 1996 MLR-9508
ACC Paving
 SHRP PG Binders - US 71 Sac/Buena Vista, 1995 Abstract
Report
 1995 MLR-9511
ACC Paving
 Investigation of Electro-Magnetic Gauges for Determination of In-Place Density of HMA Pavements, 2007 Abstract
TR-547
ACC Paving
 Performance Evaluation of Rubblized Pavements in Iowa
2008 TR-550
ACC Paving
 Examination of Curing Criteria for Cold In-Place Recycling, February 2008 Abstract
2008 TR-553
ACC Paving
 The Utilization of Agriculturally Derived Lignin as an Antioxidant in Asphalt Binder Abstract
2008 TR-557
ACC Paving
 Investigation of Electromagnetic Gauges for Determination of In-Place Density of HMA Pavements Abstract
2009 TR-576
Aggregates
 Sources of Highway Material in Southwestern Iowa, 1960 Abstract
Report
 1960 HR-11
Aggregates
 Use of Sand as a Highway Material, 1953 Abstract
Report
 1953 HR-19
Aggregates
 Treating Loess, Fine Sand and Limestone Dust With Liquid Binders, 1960 Abstract
Report
 1960 HR-20
Aggregates
 Use of Shales as Highway Materials, 1954 Abstract
Report
 1954 HR-21
Aggregates
 Size of Aggregate for Traffic Bound Roadway Surfaces, 1953 Abstract
Report
 1953 HR-28
Aggregates
 Study of Rock Materials in Southwestern Iowa, 1961 Abstract
Report
 1961 HR-65
Aggregates
 Carbonate Mineralology and Stratigraphy of Rocks of Iowa, 1964 Abstract
Report
 1964 HR-78
Aggregates
 Relationship of Carbonate Aggregate to Serviceability of PCC, 1966 Abstract
Report
 1966 HR-86
Aggregates
 Factors Influencing Stability of Granular Base Course Mixes, 1969 Abstract
1969 HR-99
Aggregates
 Compositional and Mechanical Properties of Carbonate Rocks, 1967 Abstract
Report
 1967 HR-110
Aggregates
 Correlation of Bedrock in Southern Iowa, 1965 Abstract
Report
 1965 HR-112
Aggregates
 Absorption of Asphalt by Aggregates, 1968 Abstract
Report
 1968 HR-127
Aggregates
 Creep and Shrinkage Properties of Lightweight Aggregate Concrete Used in IA, 1970 Abstract
Report
 1970 HR-136
Aggregates
 A Study of Spergen Formation of Southeastern Iowa, 1978 Abstract
Report
 1978 HR-189
Aggregates
 Effects of Special Aggregate on Bridge Deck Overlay Frictional Properties, 1986 Abstract
1986 HR-205
Aggregates
 Suitability of Treating Iowa's Marginal Aggregate and Soils by the Foamix Process, 1980 Abstract
1980 HR-212
Aggregates
 The Relationship of Ferroan Dolomite Aggregate to Rapid Concrete Deterioration, 1987 Abstract
1987 HR-266
Aggregates
 Investigation of Rapid Thermal Analysis Procedures for Prediction of the Service Life of PCCP Carbonate Coarse Aggregate, 1993 Abstract
1993 HR-327
Aggregates
 Thermogravimetric Analysis of Carbonate Aggregate, 1994 Abstract
1994 HR-336
Aggregates
 Investigation of Rapid Thermal Analysis Procedures for Prediction of the Service Life of PCCP Carbonate Coarse Aggregate, 1993 Abstract
1993 HR-337
Aggregates
 Image Analysis for Characterization of Material for Highway Construction, 1994 Abstract
1994 HR-346
Aggregates
 The Role of Magnesium in Concrete Deterioration, 1994 Abstract
1994 HR-355
Aggregates
 Fly Ash Soil Stabilization of Non-Uniform Subgrade Soils Abstract
1994 TR-461
Aggregates
 Evaluation of Asphalt Sprinkle Treatments (F.A. Projs. 1978), 1978 Abstract
1978 HR-512
Aggregates
 Pre-Treatment for Reduction of Asphalt Absorption in Porous Aggregate, 2005 Abstract
2005 TR-422
Aggregates
 Highway Applications for Rammed Aggregate Piers in Iowa Soils Abstract
1983 TR-443
Aggregates
 GIS-Based Decision and Outreach Tools for Aggregate Source Management Abstract
2008 TR-571
Aggregates
 Refinement of Rapid PCC Coarse Aggregate Testing Program Abstract
Report
 HR-1071
Aggregates
 Aggregate Gradation Requirements in ACC Mixtures, 1999 Abstract
Report
 1999 HR-560
Aggregates
 Improved Gradation of PCC Mix, 1996 Abstract
1996 HR-563
Aggregates
 High Range Water Reducers in PCC Made With D-Crack Susceptible Coarse Aggregate, 1980 Abstract
1980 HR-1021
Aggregates
 Factors Relating to Aggregate Durability in Portland Cement Concrete - January 1983 Abstract
1983 HR-2022
Aggregates
 Lightweight Aggregate Use in Structural Concrete, 1969 Abstract
1969 MLR-6901
Aggregates
 A Study of the Reliability of the ASTM C-666 Freeze-Thaw Test, 1972 Abstract
Report
 1972 MLR-7201
Aggregates
 Method to Increase Durability of Reactive ("D" Cracking) Coarse Aggregate in PCC, 1973 Abstract
1973 MLR-7301
Aggregates
 A Lab Invest of Accelerated Polishing Method for Determining Skid Resistance Potential of Aggregate, 1976 Abstract
1976 MLR-7602
Aggregates
 Skid Resistance of the Secondary Road System in Iowa, 1977 Abstract
1977 MLR-7701
Aggregates
 Iowa Pore Index Test, 1980 Interim Report
1980 MLR-8002
Aggregates
 Special Report on Alkali-Aggregate Reactivity in Iowa, 1980 Abstract
1980 MLR-8003
Aggregates
 A Review of the Frictional Classification of Aggregates, 1981 Abstract
1981 MLR-8104
Aggregates
 Sieve Analysis of Combined Aggregate by Different Test Methods, 1982 Abstract
1982 MLR-8405
Aggregates
 Fly Ash Effects on Alkali-Aggregate Reactivity, 1985 Abstract
Report
 1985 MLR-8502
Aggregates
 Asphalt Mixes From Broken P.C. Pavements, 1986 Abstract
1986 MLR-8507
Aggregates
 Evaluation of Fly Ash Concrete Durability Containing Class II Durability Aggregates, 1986 Abstract
1986 MLR-8508
Aggregates
 Fine Sand for Use in PC Concrete, 1989 Abstract
1989 MLR-8806
Aggregates
 Fine Sand for Use in PC Concrete, 1989 Abstract
1989 MLR-8807
Aggregates
 A Study of Fine Sand From Nine Mile Island at Dubuque, 1988 Abstract
Report
 1988 MLR-8808
Aggregates
 The Effects of Crushed Particles in Asphalt Mixtures, 1990 Abstract
1990 MLR-8816
Aggregates
 Evaluation of Alternative Methods to Obtain Coarse Aggregate Specific Gravity, 1990 Abstract
1990 MLR-8907
Aggregates
 Durability of Durham Mine Stone in Fly Ash PC Concrete, 1989 Abstract
Report
 1989 MLR-8909
Aggregates
 Permeability of Granular Subbase Materials Interim Report, 1991 Abstract
1991 MLR-9004
Aggregates
 Crushed Stone Granular Surfacing Materials, 1990 Abstract
1990 MLR-9007
Aggregates
 Characteristics of Iowa Fine Aggregate, 1996 Abstract
1996 MLR-9206
Aggregates
 Coarse Aggregate Gradations for PC Concrete, 1995 Abstract
Report
 1995 MLR-9408
Aggregates
 An Evaluation of the Washington Hydraulic Fracture Test, 1995 Abstract
Report
 1995 MLR-9509
Aggregates
 Laboratory Study of the Leachate From Crushed Portland Cement Concrete Base Material, 1998 Abstract
1998 MLR-9604
Aggregates
 Gyratory Compaction Test for Aggregate Strength Delaminations, 1998 Abstract
Report
 1998 MLR-9803
Bridges and Other Transp. Structures
 Elimination of Long Bridges on Streams With Small Drainage Areas, 1961 Abstract
Report
 1961 HR-005
Bridges and Other Transp. Structures
 Use of Ultra-High Performance Concrete Abstract
2008 TR-558
Bridges and Other Transp. Structures
 Quantitative Mapping of Waterways Characteristics at Bridge Waterways Abstract
2008 TR-569
Bridges and Other Transp. Structures
 Live Load Distribution in Four Beam I-Beam Bridges, 1956 Abstract
Report
 1956 HR-12
Bridges and Other Transp. Structures
 Field Observations on Scour Around Bridge Piers and Abutments, 1956 Abstract
1956 HR-24
Bridges and Other Transp. Structures
 Prestressed Concrete Highway Bridges, 1953 Abstract
Report
 1953 HR-25
Bridges and Other Transp. Structures
 Scour in Stream Beds at Highway River Crossings, 1956 Abstract
1956 HR-30
Bridges and Other Transp. Structures
 Structural Behavior of Bridge Abutment Wing Walls, 1959 Abstract
Report
 1959 HR-31
Bridges and Other Transp. Structures
 Prestressed Concrete Bridge Beams, 1960 Abstract
Report
 1960 HR-36
Bridges and Other Transp. Structures
 Prestressed Concrete Bridge Beams, 1960 Abstract
Report
 1960 HR-40
Bridges and Other Transp. Structures
 Determination of New Formula for Bearing Value of Piles, 1962 Abstract
Report
 1962 HR-41
Bridges and Other Transp. Structures
 Dynamic Tests of I-Beam Bridges, 1958 Abstract
Report
 1958 HR-42
Bridges and Other Transp. Structures
 Dynamic Tests of I-Beam Bridges, 1958 Abstract
Report
 1958 HR-43
Bridges and Other Transp. Structures
 Use of Aluminum in Highway Bridges, 1958 Abstract
Report
 1958 HR-43
Bridges and Other Transp. Structures
 Use of Aluminum in Highway Bridges, 1958 Abstract
Report
 1958 HR-51
Bridges and Other Transp. Structures
 Use of Aluminum in Highway Bridges, 1958 Abstract
Report
 1958 HR-61
Bridges and Other Transp. Structures
 Loss of Prestress in Prestressed Concrete Bridge Beams, 1962 Abstract
Report
 1962 HR-62
Bridges and Other Transp. Structures
 Dynamic Loading on Highway Bridges, 1960 Abstract
Report
 1960 HR-67
Bridges and Other Transp. Structures
 Prestressed Steel Beams, 1962 Abstract
1962 HR-73
Bridges and Other Transp. Structures
 Use of Prestressed Steel Beams in Highway Bridges, 1963 Abstract
1963 HR-74
Bridges and Other Transp. Structures
 Residual Stresses and Fatigue Behavior of Welded Structural Members, 1967 Abstract
Report
 1967 HR-94
Bridges and Other Transp. Structures
 Repair and Protection of Concrete Bridge Superstructures, 1969 Abstract
Report
 1969 HR-95
Bridges and Other Transp. Structures
 Camber Measurements on Prestressed Concrete Bridge Beams, 1968 Abstract
Report
 1968 HR-104
Bridges and Other Transp. Structures
 Effects of Elastomeric Bearings on Dynamics of Bridges, 1965 Abstract
Report
 1965 HR-105
Bridges and Other Transp. Structures
 Effects of Non-Tensioned Steel in Prestressed Concrete Beams, 1967 Abstract
Report
 1967 HR-123
Bridges and Other Transp. Structures
 Creep and Shrinkage Properties of Lightweight Aggregate Concrete Used in IA, 1970 Abstract
1970 HR-136
Bridges and Other Transp. Structures
 Time Dependent Camber and Deflection of Non-Composite and Composite Lightweight Pre-Stressed Concrete Beams, 1970 Abstract
1970 HR-137
Bridges and Other Transp. Structures
 Detection of Steel Corrosion in Bridge Decks and Reinforced Concrete Pavements, 1977 Abstract
1977 HR-156
Bridges and Other Transp. Structures
 Feasibility Study on Dynamic and Ultimate Static Load Tests on Highway Bridges, 1973 Abstract
1973 HR-160
Bridges and Other Transp. Structures
 Ultimate Load Behavior of Full Scale Highway Truss Bridges, 1975 Abstract
1975 HR-169
Bridges and Other Transp. Structures
 Concrete Bridge Deck Repairs Using Injected Epoxy Resin, 1979 Abstract
1979 HR-177
Bridges and Other Transp. Structures
 Bridge Deck Delamination Study, 1978 Abstract
1978 HR-179
Bridges and Other Transp. Structures
 An Evaluation of Dense Bridge Floor Concretes, 1983 Abstract
1983 HR-192
Bridges and Other Transp. Structures
 Effects of Special Aggregate on Bridge Deck Overlay Frictional Prop., 1986 Abstract
1986 HR-205
Bridges and Other Transp. Structures
 Feasibility Study of Strgh Exting Single Span Stl Beam Conc. Deck Br., 1981 Abstract
1981 HR-214
Bridges and Other Transp. Structures
 Settlement at Culverts, 1984 Abstract
1984 HR-219
Bridges and Other Transp. Structures
 Protection of Structural Concrete Substructures, 1992 Abstract
1992 HR-220
Bridges and Other Transp. Structures
 Nonlinear Pile Behavior in Integral Abutment Bridges - Part I, 1982 Abstract
1982 HR-227 Part I
Bridges and Other Transp. Structures
 Nonlinear Finite Element Study of Piles in Integral Abutment Bridges - Part II, 1982 Abstract
1982 HR-227 Part II
Bridges and Other Transp. Structures
 Strengthening of Existing Single Span Steel Beam Concrete Deck Bridges Abstract
1983 HR-238
Bridges and Other Transp. Structures
 Strengthening Existing Single Span Steel Beam Concrete Deck Bridges, 1985 Abstract
1985 HR-238
Bridges and Other Transp. Structures
1985
Bridges and Other Transp. Structures
 Engineering Study to Evaluate Secondary Bridges With Respect to Current Truck L X W Laws, 1982 Abstract
1982 HR-239
Bridges and Other Transp. Structures
 Load Ratings for Secondary Bridges, 1991
1991 HR-239
Bridges and Other Transp. Structures
 Load Ratings for Standard Bridges, 1998
1998 HR-239
Bridges and Other Transp. Structures
 Load Rating for Standard Bridges - Phase IV
2008 HR-239
Bridges and Other Transp. Structures
 Design of Piles for Integral Abutment Bridges, 1984 Abstract
1984 HR-252
Bridges and Other Transp. Structures
 An Engineering Study to Update 24 Ft. Secondary Bridge Standards, 1988 Abstract
Report
 1988 HR-263
Bridges and Other Transp. Structures
 Data Acquisition and Computer Plotting of Delamtect Data, 1985 Abstract
1985 HR-269
Bridges and Other Transp. Structures
 Piling Stresses in Bridges With Integral Abutments - Phase 3, 1987 Abstract
1987 HR-273
Bridges and Other Transp. Structures
 Long Term Structural Movement, 1986 Abstract
1986 HR-275
Bridges and Other Transp. Structures
 Strengthening Existing Continuous Composite Bridges, 1987 Abstract
1987 HR-287
Bridges and Other Transp. Structures
 Validation of Design Recommendations for Integral Bridge Abutment Piles, 1989 Abstract
1989 HR-292
Bridges and Other Transp. Structures
 Field Measurement of Bridges for Long Term Structural Movement, 1988 Abstract
1988 HR-295
Bridges and Other Transp. Structures
 Alternate Method of Bridge Strengthening, 1989 Abstract
1989 HR-302
Bridges and Other Transp. Structures
 Development of Expert System for Forecasting Frost on Bridges and Roads in Iowa, 1991 Abstract
1991 HR-305
Bridges and Other Transp. Structures
 Development of Expert System for Forecasting Frost on Bridges and Roads in Iowa, 1991 Abstract
1991 HR-307
Bridges and Other Transp. Structures
 Strengthening of Existing Continuous Span Steel Beam Concrete Deck Bridges by Post-Tensioning, 1990 Abstract
1990 HR-308
Bridges and Other Transp. Structures
 Precast Prestresssed Concrete Panel Subdecks in Skewed Bridges, 1991 Abstract
1991 HR-310
Bridges and Other Transp. Structures
 Precast Prestresssed Concrete Panel Subdecks in Skewed Bridges, 1991 Abstract
1991 HR-313
Bridges and Other Transp. Structures
 Precast Prestresssed Concrete Panel Subdecks in Skewed Bridges, 1991 Abstract
1991 HR-314
Bridges and Other Transp. Structures
 Precast Prestresssed Concrete Panel Subdecks in Skewed Bridges, 1991 Abstract
1991 HR-319
Bridges and Other Transp. Structures
 Constructability in the Bridge Design Process, 1991 Abstract
1991 HR-320
Bridges and Other Transp. Structures
 Development of Evaluation, Rehabilitation, and Strengthening Concepts for Low Volume Bridges, 1993 Abstract
1993 HR-323
Bridges and Other Transp. Structures
Bridges and Other Transp. Structures
 Design Methodology for Corrugated Metal Pipe Tiedowns, 1993 Abstract
1993 HR-332
Bridges and Other Transp. Structures
 Design Methodology for Post-Tension Strengthening of Concrete Span Bridges, 1993 Abstract
1993 HR-333
Bridges and Other Transp. Structures
 Design Methodology for Post-Tension Strengthening of Concrete Span Bridges, 1993 Abstract
1993 HR-353
Bridges and Other Transp. Structures
1994 HR-353
Bridges and Other Transp. Structures
 An Engineering study to Design Triple Box Culvert Standards, 1995 Abstract
Report
 1995 HR-354
Bridges and Other Transp. Structures
 The Role of Magnesium in Concrete Deterioration, 1994 Abstract
Report
 1994 HR-355
Bridges and Other Transp. Structures
 Automated Recording of Bridge Inspection Data in the Pontis Format, 1995 Abstract
1995 HR-364
Bridges and Other Transp. Structures
 Evaluation of Bridge Replacement Alternatives for County Bridges, 1994 Abstract
1994 HR-365
Bridges and Other Transp. Structures
 Evaluation of Bridge Replacement Alternatives for County Bridges, 1994 Abstract
1994 HR-373
Bridges and Other Transp. Structures
 Investigation of Plastic Pipe for Highway Applications, Phase II 1997 Abstract
1973 HR-373A
Bridges and Other Transp. Structures
 Investigation of Two Bridge Alternatives for Low Volume Roads - Vol 1 1997 Abstract
1997 HR-382
Bridges and Other Transp. Structures
 Investigation of Two Bridge Alternatives for Low Volume Roads - Vol 2, 1997
1997 HR-382
Bridges and Other Transp. Structures
 Testing of Old Reinforced Concrete Bridges, 1997 Abstract
Report
 1997 HR-390
Bridges and Other Transp. Structures
 Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges, 1998 Abstract
1998 HR-393
Bridges and Other Transp. Structures
 Preventing Cracking at Diaphragm/Plate Girder Connections in Steel Bridges, 1998 Abstract
1998 HR-397
Bridges and Other Transp. Structures
 Field Testing of Integral Abutments Abstract
2005 HR-399
Bridges and Other Transp. Structures
 Field Testing of Integral Abutments - Spreadsheet for Calculations Spreadsheet
HR-399
Bridges and Other Transp. Structures
 Construction of Iowa HWY 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project - July 2007 Abstract
2007 HR-1085
Bridges and Other Transp. Structures
 Impact of Deck Cracking on Durability, 1998 Abstract
1998 TR-405
Bridges and Other Transp. Structures
 Hydro-surface Preparation and Coating for Painted Structural Steel, 1999 Abstract
1999 TR-407
Bridges and Other Transp. Structures
 Investigation of Two Bridge Alternatives for Low Volume Roads - Phase II Volumes 1 and 2, 2000 Spreadsheet
2000 TR-410 Vol 1
Bridges and Other Transp. Structures
 Investigation of Two Bridge Alternatives for Low Volume Roads - Phase II Volumes 1 and 2, 2000 Abstract
2000 TR-410 Vol 2
Bridges and Other Transp. Structures
 Use of Railroad Flat Cars for Low Volume Bridges, 1999 Abstract
1999 TR-421
Bridges and Other Transp. Structures
 Steel Diaphragms in Prestressed Concrete Girder Bridges, 2004 Abstract
2004 TR-424
Bridges and Other Transp. Structures
 Evaluation of High-Slump Concrete for Bridge Deck Overlays, 2001 Abstract
2001 TR-427
Bridges and Other Transp. Structures
 Effective Structural Concrete Repair Abstract
2004 TR-428
Bridges and Other Transp. Structures
 Volume 1 - Repair of Impact Damaged Prestressed Concrete Beams with CFRP, 2004
2004 TR-428 Volume 1
Bridges and Other Transp. Structures
 Volume 2 - Use of FRP to Prevent Chloride Penetration in Bridge Columns, 2004
2004 TR-428 Volume 2
Bridges and Other Transp. Structures
 Volume 3 - Evaluation of Repair Materials for Use in Patching Damaged Concrete, 2004
2004 TR-428 Volume 3
Bridges and Other Transp. Structures
 Evaluation of Appropriate Evaluation, Repair and Rehabilitation Methods for Iowa Bridges, 1999 Abstract
1999 TR-429
Bridges and Other Transp. Structures
 Retrofit Methods for Distortion Cracking Problems in Plate Girder Bridges Abstract
2003 TR-436
Bridges and Other Transp. Structures
 Performance of Strip Seals in Iowa Bridges, Pilot Study Abstract
1998 TR-437
Bridges and Other Transp. Structures
 Integral Abutment Bridge With Precast Concrete Piles, 2007 Abstract
2001 TR-438
Bridges and Other Transp. Structures
 Field and Laboratory Evaluation of Precast Concrete Bridges, 2001 Abstract
2001 TR-440
Bridges and Other Transp. Structures
 Demonstration Project using Railroad Flatcars for Low-Volume Road Bridges, 2003 Abstract
2003 TR-444
Bridges and Other Transp. Structures
 Development of Bridge Load Testing Process for Load Evaluation Abstract
2003 TR-445
Bridges and Other Transp. Structures
 The Effects of Headcut and Knickpoint Propagation on Bridges in Iowa Abstract
2008 TR-541
Bridges and Other Transp. Structures
 Alternative Solutions to Meet the Service Needs of Low Volume Bridges in Iowa, 2004 Abstract
2004 TR-452
Bridges and Other Transp. Structures
 Low Water Stream Crossings: Design and Construction Recommendations, 2001 Abstract
2001 TR-453
Bridges and Other Transp. Structures
 Low Water Stream Crossings: Design and Construction Recommendations, Selection and Design Guide, 2003 Abstract
2003 TR-453M
Bridges and Other Transp. Structures
 Investigation of the Modified Beam-in-Slab Bridge System Abstract
2004 TR-467
Bridges and Other Transp. Structures
 Technical Report, 2004
2004 TR-467 Volume 1
Bridges and Other Transp. Structures
 Design Manual, 2004
2004 TR-467 Volume 2
Bridges and Other Transp. Structures
 Design Guide, 2004
2004 TR-467 Volume 3
Bridges and Other Transp. Structures
 Iowa Bridge Backwater Software - this is a link to the Office of Bridges and Structures that enables you to obtain the latest version. Abstract
2003 TR-476
Bridges and Other Transp. Structures
 Identification of the Best Practices for Design, Construction, and Repair of Bridge Approaches, 2005 Abstract
2005 TR-481
Bridges and Other Transp. Structures
 Development of Abutment Design Standards for Local Bridge Designs Abstract
2004 TR-486
Bridges and Other Transp. Structures
 Development of Design Methodology
2004 TR-486 Volume 1
Bridges and Other Transp. Structures
 Design Manual
2004 TR-486 Volume 2
Bridges and Other Transp. Structures
 Verification of Design Methodology
2004 TR-486 Volume 3
Bridges and Other Transp. Structures
 Spread Sheet Template
2008 TR-486 Template
Bridges and Other Transp. Structures
 Performance Evaluation of Steel Bridges: Phase II December 2007 Abstract
2007 TR-493
Bridges and Other Transp. Structures
2007 TR-493
Bridges and Other Transp. Structures
 Development of Standard Plans for the Design of Single Span Pre-Tensioned, Pre-Stressed Concrete Beam Bridges with Concrete Abutments - H24SI-05 PP, 2005 Abstract
2005 TR-496 H24SI
Bridges and Other Transp. Structures
 Development of Standard Plans for the Design of Single Span Pre-Tensioned, Pre-Stressed Concrete Beam Bridges with Concrete Abutments - H30SI-05 PP, 2005 Abstract
2005 TR-496 H30SI
Bridges and Other Transp. Structures
 Field Testing of Railroad Flat Car Bridges - September 2007 Abstract
2007 TR-498
Bridges and Other Transp. Structures
 Field Testing of Railroad Flatcar Bridges Volume II: Multiple Spans
2007 TR-498
Bridges and Other Transp. Structures
 Effectiveness of Electro-Chemical Chloride Extraction for the Iowa Avenue Pedestrian Bridge, 2005 Abstract
2005 TR-499
Bridges and Other Transp. Structures
 Extensions to the Iowa Culvert Hydraulics Software – The Design of Energy Dissipators, 2005 Abstract
2005 TR-504
Bridges and Other Transp. Structures
 Decision Support Model for Assessing Archaeological Survey Needs for Bridge Replacement Projects in Iowa Abstract
2006 TR-513
Bridges and Other Transp. Structures
 An Illustrated Guide For Monitoring and Protecting Bridge Waterways Against Scour, 2006 Abstract
2006 TR-515
Bridges and Other Transp. Structures
 Field Investigation of Hydraulic Structures Facilitating Fish abundance and Passage Through Bridges in Western Iowa Streams Abstract
2006 TR-521
Bridges and Other Transp. Structures
 Investigation of Steel Stringer Bridges - Phase II: Substructures and Superstructures, Oct 2007 Abstract
2007 TR-522
Bridges and Other Transp. Structures
2007 TR-522
Bridges and Other Transp. Structures
 Development of an Improved Integral Bridge Abutment-to-Approach Slab Connection Abstract
2008 TR-530
Bridges and Other Transp. Structures
 Evaluation of Design Flood Frequency Methods for Iowa Streams Abstract
2009 TR-533
Bridges and Other Transp. Structures
 Instrumentation and Monitoring of Precast, Post-Tensioned Bridge Approach Pavement Abstract
2008 TR-539
Bridges and Other Transp. Structures
 Development of Continuous Concrete Bridge Standards, also available at: Abstract
TR-542
Bridges and Other Transp. Structures
 Development of Self-Cleaning Box Culvert Designs Abstract
2009 TR-545
Bridges and Other Transp. Structures
 Timber Preservation Treatments for Highway Applications, 2008 Abstract
2008 TR-552
Bridges and Other Transp. Structures
 Improved Method for Determining Wind Loads on Highway Sign and Traffic-Signal Structure, 2008 Abstract
2008 TR-559
Bridges and Other Transp. Structures
 Autonomous Measurements of Bridge Pier and Abutment Scour Using Motion Sensing Radio Transmitters Abstract
2010 TR-595
Bridges and Other Transp. Structures
 Bridge Deck Overlay, 1990 Abstract
1990 HR-501
Bridges and Other Transp. Structures
 Two Layer Bridge Deck, 1990 Abstract
1990 HR-502
Bridges and Other Transp. Structures
 Bridge Deck Membranes (Scott Co., Linn Co.), 1987 Abstract
Report
 1987 HR-503
Bridges and Other Transp. Structures
 Galvanized Bridge Deck Reinforcing, 1992 Abstract
1992 HR-504
Bridges and Other Transp. Structures
 Bridge Deck Joint Seals (IA-80-04) (Black Hawk Co.), 1990 Abstract
Report
 1990 HR-505
Bridges and Other Transp. Structures
 Bridge Deck Joint Seals (IA-80-03) (Woodbury Co.), 1990 Abstract
Report
 1990 HR-505
Bridges and Other Transp. Structures
 Bridge Deck Joint Seals (IA-82-01) (Wapello Co.), 1990 Abstract
Report
 1990 HR-505
Bridges and Other Transp. Structures
 Cathodic Protection for a Continuous Box Girder Bridge Deck, 1993 Abstract
Report
 1993 HR-553
Bridges and Other Transp. Structures
 Redesigned Bridge Approach Sections, 1979 Abstract
Report
 1979 HR-1007
Bridges and Other Transp. Structures
 Cost of Corrosion of Highway Structural Steel, 1979 Abstract
Report
 1979 HR-1016
Bridges and Other Transp. Structures
 Bridge Deck Repair and Maintenance (Demo 51), 1989 Abstract
1989 HR-1036
Bridges and Other Transp. Structures
 Cathodic Protection for Reinforced Concrete Bridge Decks (Demo 34), 1986 Abstract
Report
 1986 HR-1044
Bridges and Other Transp. Structures
 Electrochemical Chloride Extraction of Bridge Pier Caps DTFH71-97-TE044-IA-49, 2002 Abstract
Report
 2002 HR-1072
Bridges and Other Transp. Structures
 Electrochemical Chloride Extraction of Bridge Pier Caps DTFH71-97-TE044-IA-49, 2002 Abstract
2002 HR-2107
Bridges and Other Transp. Structures
 A Study of the Reliability of the ASTM C-666 Freeze-Thaw Test, 1972 Abstract
1972 MLR-7201
Bridges and Other Transp. Structures
 Bridge Deck Waterproofing Membrane Study, 1974 Abstract
1974 MLR-7401
Bridges and Other Transp. Structures
 An Evaluation of Concrete Bridge Deck Resurfacing in Iowa, 1974 Abstract
1974 MLR-7501
Bridges and Other Transp. Structures
 A Further Evaluation of Concrete Bridge Deck Surfacing in Iowa, 1979 Abstract
1979 MLR-7901
Bridges and Other Transp. Structures
 An Evaluation of Fly Ash in Bridge Deck Concrete, 1985 Abstract
1985 MLR-8402
Bridges and Other Transp. Structures
 Evaluation of Fiber Mesh Synthetic Fibers in PCC Bridge Barrier Rail, 1988 Abstract
1988 MLR-8817
Bridges and Other Transp. Structures
 Low Permeability Concrete for Bridge Deck Overlay, 1993 Abstract
1993 MLR-8901
Bridges and Other Transp. Structures
 Effects of Heat Straightening Structural Steel, 1992 Abstract
1992 MLR-9103
Bridges and Other Transp. Structures
 Strand Testing Burlington Bridge, 1992 Abstract
Report
 1992 MLR-9202
Bridges and Other Transp. Structures
 New Method for Breaking High Strength Prestress Cable, 1997 Abstract
Report
 1997 MLR-9706
Bridges and Other Transp. Structures
 Laboratory and Field Testing of Precast Bridge Elements Abstract
2009 TR-480
Bridges and Other Transp. Structures
2009 TR-561
Bridges and Other Transp. Structures
2009 TR-561
Bridges and Other Transp. Structures
2009 TR-561
Drainage
 Flood Frequency and Flood Magnitude Analysis, 1953 Abstract
Report
 1953 HR-002
Drainage
 Determination of Flood Discharge Characteristics of Small Drainage Areas, 1966 Abstract
Report
 1966 HR-003
Drainage
 Sediment Transportations in Conduits, 1956 Abstract
Report
 1956 HR-016
Drainage
 Drainage Areas of Iowa Streams Synopsis
If you need higher resolution copies please, e-mail us
 1957 HR-029
Drainage
 Hydraulic Design of Highway Culverts, 1958 Abstract
Report
 1958 HR-023
Drainage
 Field Observations on Scour Around Bridge Piers and Abutments, 1956 Abstract
1956 HR-024
Drainage
 Scour Around Bridge Piers and Abutments, 1956 Abstract
1956 HR-030
Drainage
 Analysis of Ralston Creek Runoff Records, 1960 Abstract
Report
 1960 HR-039
Drainage
 Stream Profiles for Given Frequency of Flows, 1970 Abstract
Report
 1970 HR-049
Drainage
 Backwater at Primary Road Bridges, 1963 Abstract
Report
 1963 HR-071
Drainage
 Stream Stabilization Structures, 1963 Abstract
Report
 1963 HR-089
Drainage
 Scale Effects in Hydraulic Model Tests of Rock Protected Structures, 1969 Abstract
1969 HR-119
Drainage
 A Mechanistic Explanation of Physical Properties of Undisturbed Loess, 1968 Abstract
1968 HR-126
Drainage
 Collection and Analysis of Stream Flow Data, 2007 Abstract
2007 HR-140
Drainage
 A Computerized Method for the Hydraulic Design of Culverts, 1974 Abstract
1974 HR-164
Drainage
 Alternative Method of Stabilizing the Degrading Stream Channels in Western IA, Phase I, 1980 Abstract
1980 HR-208
Drainage
 Phase II-III, 1985
1985 HR-208
Drainage
 Liability and Traffic Control Considerations for Low Water Stream Crossings, 1981 Abstract
1981 HR-218
Drainage
 Evaluation of Control Structures for Stabilizing Degrading Stream Channel - Pottowattamie County, 1987 Abstract
1987 HR-236
Drainage
 Shelby County Evaluation of Control Structures for Stabilizing Degrading Stream Channel, 1992 Abstract
Report
 1992 HR-236
Drainage
 Design Manual for Low Water Stream Crossings, 1984 Abstract
1984 HR-247
Drainage
 Submerged Vanes for Flow Control and Bank Protection in Streams, 1984 Abstract
1984 HR-255
Drainage
 Method for Estimating the Magnitude and Frequency of Floods at Ungaged Sites on Unregulated Rural Streams in Iowa, 1987 Abstract
1987 HR-268
Drainage
 Construction and Evaluation of Submerged Vanes for Stream Control, 1988 Abstract
1988 HR-274
Drainage
 Automatic Tracer-Dilution Method Used For Stage-Discharge Ratings And Streamflow Hydrographs On Small Iowa Streams, 1990 Abstract
1990 HR-285
Drainage
 Sediment Control in Bridge Water Ways, 1990 Abstract
1990 HR-307
Drainage
 Estimating Design-Flood Discharges for Streams in Iowa Using Drainage-Basin Channel Geometry Characteristics, 1993 Abstract
1993 HR-322
Drainage
 Potential Scour Assessments and Estimates of Maximum Scour at Selected Bridges in Iowa, 1995 Abstract
1995 HR-344
Drainage
 Recycled Paper Erosion Control Mat, 1994 Abstract
1994 HR-349
Drainage
 Flood-Plain and Channel Aggradation at Selected Bridge Sites in the Iowa and Skunk River Basins, Iowa, 1996 Abstract
1996 HR-350
Drainage
 Stream Stabilization in western Iowa, 1994 Abstract
1994 HR-352
Drainage
 Design Methodology for Corrugated Metal Pipe Tiedowns, Phase II, 1995 Abstract
1995 HR-362
Drainage
 Pipe Rehabilitation With Polyethylene Pipe Liners, 1995 Abstract
1995 HR-370
Drainage
 Investigation of High Density Polyethleyne Pipe for Highway Applications, Phase I 1996 Abstract
1996 HR-373
Drainage
 Investigation of Plastic Pipe for Highway Applications, Phase II 1997 Abstract
1997 HR-373A
Drainage
 Survey of Users of the USGS Stream-Gaging Network in Iowa, 1996 Abstract
1996 HR-383
Drainage
 Stream Stabilization in Western Iowa: Structure Evaluation 1998 Abstract
1998 HR-385
Drainage
 Streambed Degradation and Streambank Widening in Western Iowa 1998
1998
Drainage
 Statistical Summaries of Selected Iowa, 1998 Abstract
Report
 1998 HR-395
Drainage
 Hydraulics of Iowa DOT Slope-Tapered Pipe Culverts Abstract
2001 HR-398
Drainage
 Development of Self-Cleaning Box Culvert Designs Abstract
2009 TR-545
Drainage
 Low Water Stream Crossings: Design and Construction Recommendations, 2001 Abstract
2001 TR-453
Drainage
 Low Water Stream Crossings: Design and Construction Recommendations, Selection and Design Guide, 2003 Abstract
2003 TR-453M
Drainage
 Development of the Iowa Drainage Law Manual Abstract
2005 TR-497
Drainage
 Iowa Drainage Law Manual
2005 TR-497
Drainage
 Extensions to the Iowa Culvert Hydraulics Software – The Design of Energy Dissipators, 2005 Abstract
2005 TR-504
Drainage
 Design Guide and Construction Specifications for National Pollutant Discharge Elimination System (NPDES) Runoff Control Abstract
2006 TR-508
Drainage
 An Illustrated Guide For Monitoring and Protecting Bridge Waterways Against Scour, 2006 Abstract
2006 TR-515
Drainage
 Seasonal Variation in the Subgrade and Subbase Layers of Highway US 20 Abstract
2008 TR-516
Drainage
 Field Investigation of Hydraulic Structures Facilitating Fish abundance and Passage Through Bridges in Western Iowa Streams Abstract
2006 TR-521
Drainage
 Evaluation of Design Flood Frequency Methods for Iowa Streams Abstract
2009 TR-533
Drainage
 Performance Evaluation of Concrete Pavement Granular Subbase— Pavement Surface Condition Evaluation Abstract
2008 TR-554
Drainage
 Quantitative Mapping of Waterways Characteristics at Bridge Waterways Abstract
2008 TR-569
Drainage
 Length Change of PC Concrete Due to Moisture Content, 1987 Abstract
1987 MLR-8509
Drainage
 Underseal Evaluation Project - I-80 Poweshiek County, 1985 Abstract
1985 MLR-8510
Drainage
 The Effects of Crushed Particles in Asphalt Mixtures, 1990 Abstract
1990 MLR-8516
Drainage
 Low Permeability Concrete for Bridge Deck Overlay, 1993 Abstract
1993 MLR-8901
Drainage
 Permeability of Granular Subbase Materials Interim Report, 1991 Abstract
1991 MLR-9004
Drainage
 Evaluation of Edge Drain Project - Poweshiek Co. - I-80, 1981 Abstract
1981 HR-509
Drainage
 Geocomposite Edge Drains, 1988 Abstract
Report
 1988 HR-543
Drainage
 Evaluation of Brisco Scour Monitors, 1993 Abstract
1993 HR-551
Drainage
 Runoff Monitoring (Demo 56), 1985 Abstract
1985 HR-1037
Dust Control
 Surface Improvement and Dust Palliation of Unpaved Secondary Roads and Streets, 1973 Abstract
1973 HR-151
Dust Control
 Soil Erosion Control for Secondary Roads, 1973 Abstract
1973 HR-155
Dust Control
 Mission Oriented Dust Control and Surface Improvement Process for Unpaved Roads, 1981 Abstract
1981 HR-194
Dust Control
 Dust Control Using Asphalt Emulsion, 1977 Abstract
1977 HR-196
Dust Control
 Development of an Economic Dust Palliative for Limestone Surfaced Secondary Roads, 1989 Abstract
1989 HR-297
Dust Control
 Low Cost Techniques of Base Stabilization, 1994 Abstract
1994 HR-312
Dust Control
 Bentonite Treatment for Economical Dust Control on Limestone Surfaced secondary Roads, 1995 Abstract
1995 HR-351
Dust Control
 Determination and Evaluation of Alternate Methods for Managing and Controlling Highway-Related Dust, 2002 Abstract
2002 TR-449
Dust Control
 Determination and Evaluation of Alternative Methods for Managing and Controlling Highway-Related Dust, Phase II – Demonstration Project, 2005 Abstract
2005 TR-506
Dust Control
 Let Me Shingle Your Roadway, Interim Report, August 1997 Abstract
1997 HR-2079
Environmental
 Fertilizer Response on Highway Cuts and Fills, 1957 Abstract
Report
 1957 HR-22
Environmental
 Roadside Seeding With Hydraulic Seeders, 1957 Abstract
Report
 1957 HR-47
Environmental
 Prevention of Erosion on Highway Backslopes, 1959 (partial report) Abstract
1959 HR-64
Environmental
 Development of Seeding for Highway Medians, 1966 Abstract
Report
 1966 HR-108
Environmental
 Studies of Herbaceous Plant Species on Highway Rights-of-Way, 1973 Abstract
Report
 1973 HR-133
Environmental
 Salvaging and Re-Use of Plant Materials, 1973 Abstract
Report
 1973 HR-145
Environmental
 Prelim. Archaeological Investigation Along Proposed Hwy ROW, 1973 Abstract
Report
 1973 HR-149
Environmental
 Investigation of Highway Lighting, 1976 Abstract
1976 HR-154
Environmental
 Soil Erosion Control for Secondary Roads, 1973 Abstract
1973 HR-155
Environmental
 A Study of Roadside Vegetation Control, 1975 Abstract
1975 HR-159
Environmental
 Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981 Abstract
1981 HR-186
Environmental
 Preliminary Archaeological Investigation Along Proposed Highway ROW, 1979 Abstract
Report
 1979 HR-198
Environmental
 Feasibility of Wind Powered Aeration of Rest Area Lagoons, 1979 Abstract
1979 HR-207
Environmental
 Effect of Wildlife Hwy Warning Reflectors on Deer-Vehicle Accidents, 1984 Abstract
1984 HR-210
Environmental
 Roadway Lighting on Secondary Roads in Iowa, 1984 Abstract
1984 HR-251
Environmental
 Flood-Plain and Channel Aggradation at Selected Bridge Sites in the Iowa and Skunk River Basins, Iowa, 1996 Abstract
1996 HR-350
Environmental
 An Expert System for Forecasting Fog on US Highway 30 in Cedar Rapids, 1997 Abstract
1997 HR-357
Environmental
 Living Snow Fences, November 2006 Abstract
2006 TR-460
Environmental
 Tree and Brush Control for County Road Right-of-Way, 2002 Abstract
2002 TR-462
Environmental
 Erosion Control for Highway Application, Phase I: Review and Synthesis of Literature, 2002 Abstract
2002 TR-464
Environmental
 Evaluation of Deicing Materials and Corrosion Reducing Treatments for Deicing Salts, June 2007 Abstract
2007 TR-471
Environmental
 TR-485, Erosion Control for Highway Applications - Phase II: Development and Implementation of a Web Based Expert System for Erosion and Sediment Control Measures. Abstract
TR-485
Environmental
 Effectiveness of Electro-Chemical Chloride Extraction for the Iowa Avenue Pedestrian Bridge, 2005 Abstract
2005 TR-499
Environmental
 Evaluation of the Iowa Department of Transportation's Compensatory Wetland Mitigation Program, 2004 Abstract
2004 TR-500
Environmental
 Determination and Evaluation of Alternative Methods for Managing and Controlling Highway-Related Dust, Phase II – Demonstration Project, 2005 Abstract
2005 TR-506
Environmental
 Determination and Evaluation of Alternative Methods for Managing and Controlling Highway-Related Dust, Phase II – Demonstration Project, 2005 Abstract
2005 TR-508
Environmental
 An Illustrated Guide For Monitoring and Protecting Bridge Waterways Against Scour, 2006 Abstract
2006 TR-515
Environmental
 Field Investigation of Hydraulic Structures Facilitating Fish abundance and Passage Through Bridges in Western Iowa Streams Abstract
2006 TR-521
Environmental
 Feasibility of Cooperative Development of Wetland Mitigation Projects Abstract
2006 TR-526
Environmental
 Design Procedures and Field Monitoring of Submerged Barbs for Streambank protection - September 2007 Abstract
2007 TR-534
Environmental
 Applications for Reuse of Lime Sludge from Water Softening (This report supersedes TR-459) Abstract
2005 TR-535
Environmental
 Developing Guidance for Use of Lighting in Rural and Urban Roadways in Iowa, February 2008 Abstract
2008 TR-540
Environmental
 Timber Preservation Treatments for Highway Applications, 2008 Abstract
2008 TR-552
Environmental
 Improved Method for Determining Wind Loads on Highway Sign and Traffic-Signal Structure, 2008 Abstract
2008 TR-559
Environmental
 Autonomous Measurements of Bridge Pier and Abutment Scour Using Motion Sensing Radio Transmitters Abstract
2010 TR-595
Grading and Soil Stabilization
 Progress Report June- Investigation of Loess and Glacial Till Materials, 1961 Abstract
1961 HR-1
Grading and Soil Stabilization
 HR-1 Progress Report July, 1961
1961
Grading and Soil Stabilization
 Thickness of Stabilized Aggregate Bases for Use With Bituminous Surfaces, 1954 Abstract
Report
 1954 HR-004
Grading and Soil Stabilization
 Construction of Earth Fills to Resist Erosion When Flooded, 1960 Abstract
Report
 1960 HR-006
Grading and Soil Stabilization
 Stabilization of Subgrade Soils by Air Drying, 1955 Abstract
Report
 1955 HR-026
Grading and Soil Stabilization
 Control of Moisture in Highway Subgrades, 1961 Abstract
Report
 1961 HR-027
Grading and Soil Stabilization
 Shoulder Stabilization Sections in Primary Rd Project No. F-772(7) Jasper County, 1957 Abstract
Report
 1957 HR-055
Grading and Soil Stabilization
 Prevention of Erosion on Highway Backslopes, 1959 (partial report) Abstract
1959 HR-064
Grading and Soil Stabilization
 Soil Stabilization in Experimental Road in Webster County, 1964 Abstract
Report
 1964 HR-068
Grading and Soil Stabilization
 Soil Cement Research, Iowa 37, Soldier to Dunlap, 1962 Abstract
Report
 1962 HR-075
Grading and Soil Stabilization
 Physical Methods of Testing Soil and Stabilized Soil, 1963 Abstract
Report
 1963 HR-081
Grading and Soil Stabilization
 Soil Stabilization With Cement and Lime, 1964 Abstract
Report
 1964 HR-082
Grading and Soil Stabilization
 Soil Stabilization With Chemicals, 1963 Abstract
Report
 1963 HR-083
Grading and Soil Stabilization
 Cement Treated Crushed Stone Base - Fremont County, 1962 Abstract
Report
 1962 HR-084
Grading and Soil Stabilization
 Relative Strength of Various Base Course Materials, 1963 Abstract
Report
 1963 HR-085
Grading and Soil Stabilization
 Soil Consistency Limits and Moisture Tensions, 1965 Abstract
Report
 1965 HR-088
Grading and Soil Stabilization
 Soil Stabilization - Field Projects, 1967 Abstract
Report
 1967 HR-090
Grading and Soil Stabilization
 Control of Erosion on Highway Backslopes During the Seeding Period, 1964 Abstract
Report
 1964 HR-096
Grading and Soil Stabilization
 Chemical Stabilization and Physicochemical Properties of Soils, 1966 Abstract
Report
 1966 HR-097
Grading and Soil Stabilization
 Factors Influencing Stability of Granular Base Course Mixes, 1969 Abstract
1969 HR-099
Grading and Soil Stabilization
 Rapid Bearing Tests Using a Spherical Penetrating Device, 1967 Abstract
Report
 1967 HR-117
Grading and Soil Stabilization
 Stresses in Bases and Subgrades, 1968 Abstract
Report
 1968 HR-135
Grading and Soil Stabilization
 Consolidation of Loess, 1971 Abstract
Report
 1971 HR-144
Grading and Soil Stabilization
 Consolidation of Loess, 1971 Abstract
1971 HR-155
Grading and Soil Stabilization
 Consolidation of Loess, 1971 Abstract
1971 HR-171
Grading and Soil Stabilization
 Experimental Macadam Stone Base, September 1977 Abstract
1977 HR-175
Grading and Soil Stabilization
 Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981 Abstract
1981 HR-186
Grading and Soil Stabilization
 Pavement on Macadam Base, 1983 Abstract
1983 HR-209
Grading and Soil Stabilization
 Performance of Randomly-Oriented, Fiber-Reinforced Roadway Soils, 1982 Abstract
1982 HR-211
Grading and Soil Stabilization
 Low Cost Fly Ash-Sand Stabilized Roadway, 1991 Abstract
Report
 1991 HR-259
Grading and Soil Stabilization
 Optimization of Soil Stabilization With Type C Fly Ash, 1987 Abstract
1987 HR-260
Grading and Soil Stabilization
 Ammonium Phosphate/Fly Ash Road, June 1993 Abstract
1993 HR-294
Grading and Soil Stabilization
 An Investigation of Emulsion Stabilized Limestone Screenings, February 1994 Abstract
1994 HR-309
Grading and Soil Stabilization
 Low Cost Techniques of Base Stabilization, 1994 Abstract
1994 HR-312
Grading and Soil Stabilization
 Stream Stabilization in Western Iowa: Structure Evaluation, September 1998 Abstract
1998 HR-385
Grading and Soil Stabilization
 Streambed Degradation and Streambank Widening in Western Iowa, September 1998 Abstract
1998
Grading and Soil Stabilization
 Embankment Quality - Phase I Abstract
1998 TR-401 Phase I
Grading and Soil Stabilization
 Embankment Quality - Phase II Abstract
1998 TR-401 Phase II
Grading and Soil Stabilization
 Embankment Quality - Phase III Abstract
1998 TR-401 Phase III
Grading and Soil Stabilization
 Reclaimed Fly Ash as Select Fill Under PCC Pavement, Nevember 1999 Abstract
1999 TR-425
Grading and Soil Stabilization
 Highway Applications for Rammed Aggregate Piers in Iowa Soils, April 2003 Abstract
2003 TR-443
Grading and Soil Stabilization
 Fly Ash Soil Stabilization of Non-Uniform Subgrade Soils Abstract
1994 TR-461
Grading and Soil Stabilization
 Identification of the Best Practices for Design, Construction, and Repair of Bridge Approaches, January 2005 Abstract
2005 TR-481
Grading and Soil Stabilization
 Determination of the Optimum Base Characteristics for Pavements, May 2004 Abstract
2004 TR-482
Grading and Soil Stabilization
 TR-485, Erosion Control for Highway Applications - Phase II: Development and Implementation of a Web Based Expert System for Erosion and Sediment Control Measures Abstract
TR-485
Grading and Soil Stabilization
 Innovative Solutions for Slope Stability Reinforcement and Characterization in Iowa Soils, 2006 - Volume 1 Executive Summary Abstract
2005 TR-489 Volume 1, December 2005
Grading and Soil Stabilization
 Innovative Solutions for Slope Stability Reinforcement and Characterization in Iowa Soils, 2006 - Volume 2 Borehole Shear Test
2005 TR-489 Volume II, December 2005
Grading and Soil Stabilization
 Innovative Solutions for Slope Stability Reinforcement and Characterization in Iowa Soils, 2006 - Volume 3 Use of Micropiles
2005 TR-489 Volume III, December 2005
Grading and Soil Stabilization
 Embankment Quality Phase IV - Application to Unsuitable Soils, October 2007 Abstract
2007 TR-492 Phase IV
Grading and Soil Stabilization
 Field Evaluation of Compaction Monitoring Technology: Phase I, September 2004 Abstract
2004 TR-495 Phase I
Grading and Soil Stabilization
 Design Guide for Improved Quality of Roadway Subgrades and Subbases Abstract
2008 TR-525
Grading and Soil Stabilization
 Design Procedures and Field Monitoring of Submerged Barbs for Streambank protection, September 2007 Abstract
2007 TR-534
Grading and Soil Stabilization
 Reinforced Earth and Stone Columns for Weak Subsoil Conditions, November 1980 Abstract
1980 HR-510
Grading and Soil Stabilization
 Slope Steepening With Tensar or Reinforced Earth Geogrids, March 1997 Abstract
1997 HR-548
Grading and Soil Stabilization
 Tenswal, Tensar Geogrid Reinforced Retaining Walls, January 1998 Abstract
1998 HR-549
Grading and Soil Stabilization
 Report on Fly Ash as a Soil Additive, March 1981 Abstract
1981 MLR-8103
Grading and Soil Stabilization
 Structural Analysis and Overlay Design of Pave Using The "Road Rater", 1986 Abstract
1986 MLR-8403
Grading and Soil Stabilization
 Lime-Fly Ash Subbase Stabilization, 1986 Abstract
Report
 1986 MLR-8501
Grading and Soil Stabilization
 Lime-Fly Ash Subbase Stabilization, 1986 Abstract
Report
 1986 MLR-8501
Grading and Soil Stabilization
 Evaluation of the Consolidated System of Soil Stabilization, 1987 Abstract
1987 MLR-8610
Grading and Soil Stabilization
 Field Evaluation of Class A Subbase Using Fly Ash, 1988 Abstract
1988 MLR-8703
Joints
 Joint Heave Project (Neoprene Seals), 1968 Abstract
Report
 1968 HR-125
Joints
 Transverse Joint Sealing With Various Sealants, September 1983 Abstract
1983 HR-203
Joints
 Improvement of Longitudinal Joints in Asphalt Pavement, 1987 Abstract
1987 HR-215
Joints
 Transverse Joint Sealing With Improved Sealants, 1991 Abstract
Report
 1991 HR-276
Joints
 Evaluation of Preformed Neoprene Joint Seals, 1994 Abstract
Report
 1994 HR-318
Joints
 Investigation of Glass Fiber Composite Dowel Bars for Highway Pavement Slabs, June 2002 Abstract
2002 TR-408
Joints
 Field Evaluation of Alternative Load Transfer Device Locations in Low Traffic Volume Pavements, December 2003 Abstract
2003 TR-420
Joints
 Prefabricated Steel Pressure Relief Joints on ACC Resurfacing Projects in IA, 1981 Abstract
Report
 1981 HR-508
Joints
 Laboratory Study of Structural Behavior of Alternative Dowel Bars Abstract
2006 TR-510
Joints
 Evaluation of Dowel Bar Retrofits for Local Road Pavements, February 2008 Abstract
2008 TR-520
Joints
 "Crack Development in Ternary Mix Concrete utilizing Various Saw Depths" - Kejin Wang, Iowa State University Abstract
2009 TR-587
Joints
 Low Modulus, Hot Pour Joint Sealant for ACC Pavements, November 1990 Abstract
1990 HR-534
Joints
 Scott Co. Load Transfer Retrofitting (See HR-2033), 1987 Abstract
Report
 1987 HR-541
Joints
 PCC Joint Rehabilitation Techniques, 1987 Abstract
1987 HR-1042
Joints
 SHRP (Joint Monitoring), 1990 Abstract
1990 HR-1054
Joints
 SHRP 106, Joint Resealing, 1991 Abstract
Report
 1991 HR-1058
Joints
 Heavy Agricultural Loads on Pavements and Bridges, 1999 Brochure
1999 HR-1073
Joints
 Preformed Phoenix EPDM Compression Joint Seals, 1999 Abstract
Report
 1999 MLR-9302
Joints
 Early Entry Sawed PCC Transverse Joint Ends, 2003 Abstract
2003 MLR-9705
Methods/Techniques
 The Evaluation of Macadam Stone Shoulders, September 1981 Abstract
1981 HR-181
Methods/Techniques
 Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981 Abstract
1981 HR-186
Methods/Techniques
 Construction and Maintenance Practices to Minimize the Potential Liability of Counties for Roads in Rural Subdivisions, 1981 Abstract
1981 HR-221
Methods/Techniques
 Crack and Seat PCC Pavement Prior to Resurfacing to Retard Reflective Cracking, 1993 Abstract
Report
 1993 HR-277
Methods/Techniques
 Cracking and Seating to Retard Reflective Cracking - Fremont County, January 1993 Abstract
1993 HR-279
Methods/Techniques
 Pavement Texturing by Milling, 1987 Abstract
Report
 1987 HR-283
Methods/Techniques
 Ammonium Phosphate/Fly Ash Road, January 1993 Abstract
1993 HR-294
Methods/Techniques
 Strengthening of Existing Continuous Span Steel Beam Concrete Deck Bridges by Post-Tensioning, February 1990 Abstract
1990 HR-308
Methods/Techniques
 Air Formed Arch Culvert Construction Crawford County, December 1995 Abstract
1995 HR-314
Methods/Techniques
 Iowa Development of Rubblized Pavement Base Mills County, 1995 Abstract
1995 HR-315
Methods/Techniques
 Maturity and Pulse Velocity Measurements for PCC Traffic Opening Decisions, March 1998 Abstract
1998 HR-380
Methods/Techniques
 Reinforced Earth and Stone Columns for Weak Subsoil Conditions, November 1980 Abstract
1980 HR-510
Methods/Techniques
 Reinforced Earth and Stone Columns for Weak Subsoil Conditions, 1980 Abstract
1980 HR-515
Methods/Techniques
 Reinforced Earth and Stone Columns for Weak Subsoil Conditions, 1980 Abstract
1980 HR-527
Methods/Techniques
 Nongrouted Bonded PCC Overlay - City of Oskaloosa, February 1993 Abstract
1993 HR-528
Methods/Techniques
 Nongrouted Bonded PCC Overlay - City of Oskaloosa, February 1993 Abstract
1993 HR-529
Methods/Techniques
 Longitudinal Grinding and Transverse Grooving to Improve Friction and Profile, June 1986 Abstract
1986 HR-1035
Methods/Techniques
 Trial Surface Repair by Steel Shot Blasting, November 1992 Abstract
1992 HR-1057
Methods/Techniques
 Construction of Iowa HWY 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project - July 2007 Abstract
2007 HR-1085
Methods/Techniques
 Construction of Iowa HWY 60 Precast Prestressed Concrete Pavement Bridge Approach Slab Demonstration Project - October 2007 Abstract
2007 HR-2107
Methods/Techniques
 Integral Abutment Bridge With Precast Concrete Piles, May 2007 Abstract
2007 TR-438
Methods/Techniques
 Highway Applications for Rammed Aggregate Piers in Iowa Soils, April 2003 Abstract
2003 TR-443
Methods/Techniques
 Rehabilitation of Concrete Pavements Utilizing Rubblization and Crack and Seat Methods Abstract
Report
 2008 TR-550
Methods/Techniques
 Evaluation of Composite Pavement Unbonded Overlays: Phase III, August 2006 Abstract
2006 TR-478
Methods/Techniques
 Investigation into Improved Pavement Curing Materials and Techniques, Part 2, Phase III, March 2003 Abstract
2003 TR-479
Methods/Techniques
 Development of Object-Oriented Design and Specifications for Iowa DOT and Urban Standards: Phase I, 2004 Abstract
2004 TR-487
Methods/Techniques
 Utility Cut Repair Techniques - Investigation of Improved Utility Cut Repair Techniques to Reduce Settlement in Repaired Areas, December 2005 Abstract
2005 TR-503
Methods/Techniques
 Design Guide and Construction Specifications for National Pollutant Discharge Elimination System (NPDES) Runoff Control, July 2006 Abstract
2006 TR-508
Methods/Techniques
 Decision Support Model for Assessing Archaeological Survey Needs for Bridge Replacement Projects in Iowa, 2006 Abstract
2006 TR-513
Methods/Techniques
 Evaluation of Dowel Bar Retrofits for Local Road Pavements, February 2008 Abstract
2008 TR-520
Methods/Techniques
 Developing a New Process for Determining Design Year Traffic Demands, 2007 Abstract
2007 TR-528
Methods/Techniques
 Effective Shoulder Design and Maintenance, June 2007 Abstract
2007 TR-531
Methods/Techniques
 Using Scanning Lasers for Real-Time Pavement Thickness Measurement, 2006 Abstract
2006 TR-538
Methods/Techniques
 Development of Continuous Concrete Bridge Standards Abstract
TR-542
Methods/Techniques
 Investigation of Electro-Magnetic Gauges for Determination of In-Place Density of HMA Pavements, 2007 Abstract
2007 TR-547
Methods/Techniques
 Performance Evaluation of Rubblized Pavements in Iowa
2008 TR-550
Methods/Techniques
 Performance of Reinforcement Fabric Used Under Asphaltic Concrete Overlays, June 1983 Abstract
1983 MLR-8303
Methods/Techniques
 Early Entry Sawed PCC Transverse Joint Ends, April 2003 Abstract
2003 MLR-9705
Other
 Origin and Destination Traffic Surveys, 1951 Abstract
Report
 1951 HR-8
Other
 Extent and Nature of Rural Road Usage, 1951 Abstract
Report
 1951 HR-13
Other
 Lateral Pressures on Retaining Walls, 1955 Abstract
Report
 1955 HR-14
Other
 Treating Loess, Fine Sand and Limestone Dust With Liquid Binders, 1960 Abstract
Report
 1960 HR-20
Other
 Fertilizer Response on Highway Cuts and Fills, 1957 Abstract
Report
 1957 HR-22
Other
 Compilation of Iowa Highway Laws, 1956 Abstract
Report
 1956 HR-38
Other
 Study of Highway Laws, 1959 Abstract
Report
 1959 HR-45
Other
 Roadside Seeding With Hydraulic Seeders, 1957 Abstract
Report
 1957 HR-47
Other
 Sufficiency Ratings of Marion Co. Sec. Roads, 1963 Abstract
Report
 1963 HR-50
Other
 Experimental Sections in Primary Road Project No. F772(7) Jasper County, 1958 Abstract
Report
 1958 HR-52
Other
 Secondary Road Administration in Iowa, 1957 Abstract
Report
 1957 HR-60
Other
 Curb Removal, 1962 Abstract
Report
 1962 HR-76
Other
 Vehicle Replacement Research, 1964 Abstract
Report
 1964 HR-77
Other
 Experimental Construction - Hamilton County, 1965 Abstract
Report
 1965 HR-91
Other
 Surface Distortion on Flexible Pavements, 1965 Abstract
Report
 1965 HR-93
Other
 Service Correlation of the Traffic Simulator, 1967 Abstract
Report
 1967 HR-100
Other
 Mobile Testing Laboratory, 1968 Abstract
Report
 1968 HR-101
Other
 Electronic Weigh-In-Motion Scales, 1965 Abstract
Report
 1965 HR-102
Other
 Potential Use of Nuclear Energy in the Highway Industry, 1964 Abstract
Report
 1964 HR-103
Other
 Development of Seedings for Highway Medians, 1966 Abstract
Report
 1966 HR-108
Other
 Programmed Instruction in Plan Reading, 1965 Abstract
Report
 1965 HR-109
Other
 Programmed Instruction in Plan Reading, 1965 Abstract
Report
 1965 HR-111
Other
 Road Logger, 1966 Abstract
1966 HR-113
Other
 Seismic Wave Velocity for In-Place Density Measurements, 1969 Abstract
Report
 1969 HR-114
Other
 Skid Resistance of Highway Pavements, 1968 Abstract
Report
 1968 HR-121
Other
 X-Ray Diffraction Analysis of Highway Materials, 1969 Abstract
Report
 1969 HR-128
Other
 Uniform Accounting - County Engineers, 1967 Abstract
Report
 1967 HR-129
Other
 Evaluation of the Safety Potential of County Roads, 1969 Abstract
Report
 1969 HR-130
Other
 Evaluation of the Use and Effectiveness of Information Centers on I-80, 1967 Abstract
Report
 1967 HR-132
Other
 Studies of Herbaceous Plant Species on Highway Rights-of-Way, 1973 Abstract
Report
 1973 HR-133
Other
 Study of Optimum Traffic Weight Operations, 1968 Abstract
Report
 1968 HR-138
Other
 Low Traffic Count - Secondary Roads, 1969 Abstract
Report
 1969 HR-139
Other
 Development of a Computer Program for Roadway Profile Adjustments, 1969 Abstract
Report
 1969 HR-143
Other
 Salvaging and Re-Use of Plant Materials, 1973 Abstract
Report
 1973 HR-145
Other
 Guidelines for the Inclusion of Left Turn Lanes in Rural Hwy Intersections, 1970 Abstract
Report
 1970 HR-147
Other
 Investigation of Pavement Wear in Relation to Studded Tire Use, 1979 Abstract
1979 HR-148
Other
 Preliminary Archaeological Investigation Along Proposed Hwy ROW, 1973 Abstract
Report
 1973 HR-149
Other
 Organization and Coordination of the Hwy Planning Function in IA, 1971 Abstract
Report
 1971 HR-150
Other
 Measurements of Pavement Surface Variations, 1974 Abstract
1974 HR-152
Other
 Investigation of Highway Lighting, 1976 Abstract
1976 HR-154
Other
 A Study of Roadside Vegetation Control, 1975 Abstract
Report
 1975 HR-159
Other
 Variability of Coefficient of Drag With Variation of Re. No. and Radius of Poly Cylinders., 1973 Abstract
Report
 1973 HR-162
Other
 HELP - Highway Emergency Long Distance Phone, 1975 Abstract
Report
 1975 HR-163
Other
 A Computerized Method for the Hydraulic Design of Culverts, 1974 Abstract
Report
 1974 HR-164
Other
 Freeway Operations Analysis of I-80, I-29 Interchange, 1974 Abstract
1974 HR-166
Other
 Skid Resistance of Concrete Pavements, 1973 Abstract
Report
 1973 HR-168
Other
 Maintenance of Pavement Skid Resistance, 1976 Abstract
1976 HR-170
Other
 Evaluation of Crushed Limestone Rock for Soil Stabilization and pollution Control on IA Highways, 1975 Abstract
1975 HR-171
Other
 A Computer Based Information System for County Equipment Cost Records, 1975 Abstract
1975 HR-173
Other
 MB Determination of Rumble Strip Effectiveness, 1979 Abstract
1979 HR-184
Other
 Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981 Abstract
1981 HR-186
Other
 Portable School Stop Signs and Other Non-uniform School Stop Control Devices, 1978 Abstract
1978 HR-190
Other
 Preliminary Archaeological Investigation Along Proposed Highway R.O.W., 1979 Abstract
Report
 1979 HR-198
Other
 Safer Construction and Maintenance Practices to Minimize Potential Liability by Counties from Highway Accidents, 1979 Abstract
1979 HR-204
Other
 Feasibility of Wind Powered Aeration of Rest Area Lagoons, 1979 Abstract
1979 HR-207
Other
 Effect of Wildlife Highway Warning Reflectors on Deer-Vehicle Accidents, 1984 Abstract
1984 HR-210
Other
 Construction and Maintenance Practices to Minimize the Potential Liability of Counties for Roads in Rural Subdivisions, 1981 Abstract
1981 HR-221
Other
 Maintaining Granular Surfaced Roads (Slides) (Video), 1981 Abstract
1981 HR-223
Other
 Iowa Research With Chem-Crete Bitumen, 1984 Abstract
1984 HR-226
Other
 Engineering Study Automating Iowa's Speed Monitoring Program, 1983 Abstract
1983 HR-228
Other
 Alternative Flexible Overlays, 1988 Abstract
1988 HR-229
Other
 An Investigation of Signing Needs at Uncontrolled Local Rd Intersections, 1982 Abstract
1982 HR-230
Other
 Compilation of Iowa Highway Laws, 1995 Abstract
1995 HR-234
Other
 Warrants for Rumble Strips on Rural Highways, 1982 Abstract
1982 HR-235
Other
 Development of EDMI Calibration Baseline, 1984 Abstract
1984 HR-241
Other
 Economics of Alternative Solutions to the Secondary Road Problem, 1986 Abstract
1986 HR-242
Other
1986 HR-242
Other
 Detection of Concrete Delamination by Infrared Thermography, 1986 Abstract
Report
 1986 HR-244
Other
 Dynamic Deflections to Determine Roadway Support Ratings, 1983 Abstract
1983 HR-245
Other
 Engineering Study - Reducing Sign Vandalism, 1992 Abstract
1992 HR-246
Other
 Governor's Task Force on Iowa's Transportation Future, 1982 Abstract
Report
 1982 HR-249
Other
 Roadway Lighting on Secondary Roads in Iowa, 1984 Abstract
1984 HR-251
Other
 Perception and Interpretation of Advance Warning Signs on County Roads, 1984 Abstract
1984 HR-256
Other
 Addendum to Perception and Interpretation of Advance Warning Signs on County Roads
1985 HR-256
Other
 Signing on Very Low Volume Rural Roads, 1984 Abstract
1984 HR-262
Other
 Development of Sufficiency Rating System for Secondary Roads, 1985 Abstract
1985 HR-264
Other
 Development of Sufficiency Rating System for Secondary Roads, 1985
1985 HR-264
Other
 Engineering Study for Evaluation of Public Road Administration and Maintenance Alternatives, 1985 Abstract
1985 HR-265
Other
 Engineering Study for Evaluation of Public Road Administration and Maintenance Alternatives, 1985
1985 HR-265
Other
 Effects of Pavment Surface Texture on Noise and Frictional Characteristics, 1996 Abstract
1996 HR-281
Other
 Automated Traffic/Truck Weight Monitoring Equipment, 1988 Abstract
1988 HR-282
Other
 Multiplan Spreadsheets for Highway and Hydraulic Engineering Computations in County Engineering Offices, 1987 Abstract
1987 HR-284
Other
 Engineering Study-Training aids to Reduce Potential County Liabilities, 1989 Abstract
1989 HR-289
Other
 Engineering Study for Evaluation of Public Road Administration and Maintenance Alternatives, 1985 Abstract
1985 HR-265
Other
 Engineering Study for Evaluation of Public Road Administration and Maintenance Alternatives, 1985
1985 HR-265
Other
 Effects of Pavment Surface Texture on Noise and Frictional Characteristics, 1996 Abstract
1996 HR-281
Other
 Automated Traffic/Truck Weight Monitoring Equipment, 1988 Abstract
1988 HR-282
Other
 Multiplan Spreadsheets for Highway and Hydraulic Engineering Computations in County Engineering Offices, 1987 Abstract
1987 HR-284
Other
 Engineering Study-Training aids to Reduce Potential County Liabilities, 1989 Abstract
1989 HR-289
Other
 Pavement Instrumentation Abstract
1992 HR-293
Other
 Maximized Utility of the Global Positioning System, 1991 Abstract
1991 HR-316
Other
 Production of Acetic Acid by Fermentation with Propionibacteria, 1995 Abstract
1995 HR-321
Other
 Estimating Design-Flood Discharges for Streams in Iowa Using Drainage-Basin Channel Geometry Characteristics, 1993 Abstract
1993 HR-322
Other
 Driver Behavior at Railroad Crossings: Before and After Safety Campaign, 1992 Abstract
1992 HR-335
Other
 The Value of the County Engineer: Strategies for Expanding the Shrinking Employment Pool, 1993 Abstract
1993 HR-338
Other
 Multi-Project Scheduling Procedures for Transportation Projects, 1994 Abstract
1994 HR-339
Other
 Use of GPS for Photogrammetry, 1993 Abstract
1993 HR-342
Other
 Non-Corrosive Tie Reinforcing and Dowel Bars for Highway Pavement Slabs, 1993 Abstract
1993 HR-343
Other
 Electronic Bulletin Board System, 1998 Abstract
1998 HR-345
Other
 Impacts on Safety of Left Turn Treatment at High Speed Intersections, 1994 Abstract
1994 HR-347
Other
 Recruiting and Retaining Women and Minorities for Public Sector Engineering Positions, 1995 Abstract
1995 HR-348
Other
 An Expert System for Forecasting Fog on US Highway 30 in Cedar Rapids, 1997 Abstract
1997 HR-357
Other
 Airborne GPS, 1995 Abstract
1995 HR-359
Other
 Clarifying the Quadrennial Needs Study Process, 1993 Abstract
1993 HR-363
Other
 Field Data Acquisition Technologies for Iowa Transportation, 1994 Abstract
1994 HR-366
Other
 Solar Powered Delineator System, 1993 Abstract
1994 HR-367
Other
 Construction Automation Using Pen-Based Computers, 1996 Abstract
1996 HR-368
Other
 Guidelines for County Engineers Decisions, 1997 Abstract
1997 HR-369
Other
 Metric Training for Iowa Highway Industry, 1997 Abstract
Report
 1997 HR-376
Other
 Field Data Collection and Reporting for Construction, 1997 Abstract
Report
 1997 HR-377
Other
 Metric Short Courses for the Office of Bridges and Structures, 1995 Abstract
Report
 1995 HR-378
Other
 Development of Benchmark Data for the Iowa DOT Construction Office, 1996 Abstract
1996 HR-381
Other
 Implementation f Benchmark Data for the Iowa DOT Construction Office, 1996
1996 HR-381
Other
 Implementation of Benchmark Data for the Iowa DOT Construction Office, 1996
1996 HR-381
Other
 Distributing State Road Use Tax Funds to Counties, December 1996
1996 HR-386
Other
 Soft Photogrammetry for Highway Engineering, 1998 Abstract
1998 HR-387
Other
 Total Cost of Transportation/Analysis of Road and Highway Issues Abstract
1984 HR-388
Other
 Transportation Program Management System, 1999 Abstract
2002 HR-394
Other
 Heavy Agricultural Loads on Pavements and Bridges Abstract
1999 HR-1073
Other
 Access Management Awareness Program Phase II Report, 1997 Abstract
1997 TR-402
Other
 Maximizing the Use of Roadway Weather Information Systems, 1998 Abstract
Report
 1998 TR-404
Other
 Iowa County Engineers Association Service Bureau, 2000 Abstract
2000 TR-417
Other
 Feasibility of using Automated Distress Data in the County Need Study Abstract
1998 TR-418
Other
 Education on Urban Corridor Issues Through Computer Animation Abstract
2003 TR-419
Other
 HWYNEEDS: Methodology, Analysis and Evaluation, March 2001 Abstract
2001 TR-433
Other
 Systematic Identification of High Crash Locations, 2001 Abstract
2001 TR-442
Other
 Development of Self-Cleaning Box Culvert Designs Abstract
2009 TR-545
Other
 Technology Transfer of As-Built and Preliminary Surveys Using GPS, Soft Photogrammetry and Video Logging, 2002 Abstract
2002 TR-446
Other
 Handbook of Simplified Practice for Traffic Studies, 2002 Abstract
2002 TR-455
Other
 Living Snow Fences, November 2006 Abstract
2006 TR-460
Other
 Tree and Brush Control for County Road Right-of-Way, 2002 Abstract
2002 TR-462
Other
 Erosion Control for Highway Application, Phase I: Review and Synthesis of Literature, 2002 Abstract
2002 TR-464
Other
 Development of a Method to Determine Pavement Damage Due to Detours, 2005 Abstract
2005 TR-470
Other
 Synthesis of Best Practice for Increasing Protection and Visibility of Highway Maintenance Vehicles, 2002 Abstract
2002 TR-475
Other
 Total Cost of Transportation Analysis of Road and Highway Issues, 2002 Abstract
2002 TR-477
Other
 Statistical Analysis of Highway Needs Condition Data - Manual vs Automated, 2003 Abstract
2003 TR-494
Other
 Thin Maintenance Surfaces - PHASE III - Municipal Streets and Low-Volume Rural Roads, 2007 Abstract
2007 TR-507
Other
 Development of a Manual of Practice for Roadway Maintenance Workers, 2006 Abstract
2006 TR-514
Other
 Appropriate Traffic Calming Techniques for Small Iowa Communities, Dec 2007 Abstract
2007 TR-523
Other
 Review of Inconsistencies Between SUDAS and Iowa DOT Specifications, 2006 Abstract
2006 TR-524
Other
 Feasibility of Cooperative Development of Wetland Mitigation Projects Abstract
2006 TR-526
Other
 Guidelines for Removal of Traffic Control Devices in Rural Areas, 2005 Abstract
2005 TR-527
Other
 Developing a New Process for Determining Design Year Traffic Demands, 2007 Abstract
2007 TR-528
Other
 Decision Support Model for Assessing Archaeological Survey Needs for Bridge Replacement Projects in Iowa Abstract
2006 TR-513
Other
 Evaluation of Rumble Stripes on Low-Volume Rural Roads in Iowa Abstract
2009 TR-577
Other
 Evaluation of Design Flood Frequency Methods for Iowa Streams Abstract
2009 TR-533
Other
 Developing Guidance for Use of Lighting in Rural and Urban Roadways in Iowa, February 2008 Abstract
2008 TR-540
Other
 Investigation of Electromagnetic Gauges for Determination of In-Place Density of HMA Pavements Abstract
2007 TR-547
Other
 Roadway Design Standards for Rural and Suburban Subdivisions, 2007 Abstract
2007 TR-549
Other
 Use of Ultra-High Performance Concrete Abstract
2008 TR-558
Other
 Improved Method for Determining Wind Loads on Highway Sign and Traffic-Signal Structure, 2008 Abstract
2008 TR-559
Other
 Clear Zone – A Synthesis of Practice and Benefits of Meeting the Ten-Foot Clear Zone Goal on Urban Streets Abstract