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Projects That Do Not Fit General Categories

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.
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HR-8 [abstract] [report] Origin and Destination Traffic Surveys, 1951
HR-13 [abstract] [report] Extent and Nature of Rural Road Usage, 1951?
HR-14 [abstract] [report] Lateral Pressures on Retaining Walls, 1955
HR-20 [abstract] [report] Treating Loess, Fine Sand and Limestone Dust With Liquid Binders, 1960
HR-22 [abstract] [report] Fertilizer Response on Highway Cuts and Fills, 1957
HR-38 [abstract] [report] Compilation of Iowa Highway Laws, 1956
HR-45 [abstract] [report] Study of Highway Laws, 1959?
HR-47 [abstract] [report] Roadside Seeding With Hydraulic Seeders, 1957?
HR-50 [abstract] [report] Sufficiency Ratings of Marion Co. Sec. Roads, 1963
HR-52 [abstract] [report] Experimental Sections in Primary Road Project No. F772(7) Jasper County, 1958
HR-60 [abstract] [report] Secondary Road Administration in Iowa, 1957?
HR-76 [abstract] [report] Curb Removal, 1962
HR-77 [abstract] [report] Vehicle Replacement Research, 1964
HR-91 [abstract] [report] Experimental Construction - Hamilton County, 1965?
HR-93 [abstract] [report] Surface Distortion on Flexible Pavements, 1965?
HR-100 [abstract] [report] Service Correlation of the Traffic Simulator, 1967
HR-101 [abstract] [report] Mobile Testing Laboratory, 1968
HR-102 [abstract] [report] Electronic Weigh-In-Motion Scales, 1965
HR-103 [abstract] [report] Potential Use of Nuclear Energy in the Highway Industry, 1964?
HR-108 [abstract] [report] Development of Seedings for Highway Medians, 1966
HR-109 [abstract] [report] Programmed Instruction in Plan Reading, 1965
HR-111 [abstract] [report] X-Ray Diffraction and Crystal Chemistry of Highway Materials, 1966
HR-113 [abstract] [report] 3.1 MB Road Logger, 1966
HR-114 [abstract] [report] Seismic Wave Velocity for In-Place Density Measurements, 1969
HR-121 [abstract] [report] Skid Resistance of Highway Pavements, 1968
HR-128 [abstract] [report] X-Ray Diffraction Analysis of Highway Materials, 1969
HR-129 [abstract] [report] Uniform Accounting - County Engineers, 1967
HR-130 [abstract] [report] Evaluation of the Safety Potential of County Roads, 1969
HR-132 [abstract] [report] Evaluation of the Use and Effectiveness of Information Centers on I-80, 1967
HR-133 [abstract] [report] Studies of Herbaceous Plant Species on Highway Rights-of-Way, 1973
HR-138 [abstract] [report] Study of Optimum Traffic Weight Operations, 1968
HR-139 [abstract] [report] Low Traffic Count - Secondary Roads, 1969
HR-143 [abstract] [report] Development of a Computer Program for Roadway Profile Adjustments, 1969
HR-145 [abstract] [report] Salvaging and Re-Use of Plant Materials, 1973
HR-147 [abstract] [report] Guidelines for the Inclusion of Left Turn Lanes in Rural Hwy Intersections, 1970
HR-148 [abstract] [report] 2.2 MB Investigation of Pavement Wear in Relation to Studded Tire Use, 1979
HR-149 [abstract] [report] Prelim. Archaeological Investigation Along Proposed Hwy ROW, 1973
HR-150 [abstract] [report] Organization and Coordination of the Hwy Planning Function in IA, 1971
HR-152 [abstract] [report] 983 kB Measurements of Pavement Surface Variations, 1974
HR-154 [abstract] [report] 924 kB Investigation of Highway Lighting, 1976
HR-159 [abstract] [report] A Study of Roadside Vegetation Control, 1975
HR-162 [abstract] [report] Variability of Coefficient of Drag With Variation of Re. No. & Radius of Poly Cylinders., 1973?
HR-163 [abstract] [report] HELP - Highway Emergency Long Distance Phone, 1975
HR-164 [abstract] [report] 5 MB A Computerized Method for the Hydraulic Design of Culverts, 1974
HR-166 [abstract] [report] 4.1 MB Freeway Operations Analysis of I-80, I-29 Interchange, 1974
HR-168 [abstract] [report] Skid Resistance of Concrete Pavements, 1973?
HR-170 [abstract] [report] 1.2 MB Maintenance of Pavement Skid Resistance, 1976
HR-171 [abstract] [report] 652 kB Evaluation of Crushed Limestone Rock for Soil Stabilization and pollution Control on IA Highways, 1975
HR-173 [abstract] [report] 2.7 MB A Computer Based Information System for County Equipment Cost Records, 1975
HR-184 [abstract] [report] 1 MB Determination of Rumble Strip Effectiveness, 1979
HR-186 [abstract] [report] 4 MB Evaluation of Productivity Resulting From Removal of Soil for Hwy Construction, 1981
HR-190 [abstract] [report] 1.7 MB Portable School Stop Signs and Other Non-uniform School Stop Control Devices, 1978
HR-198 [abstract] [report] Preliminary Archaeological Investigation Along Proposed Highway R.O.W., 1979
HR-204 [abstract] [report] 2.5 MB Safer Construction and Maintenance Practices to Minimize Potential Liability by Counties from Highway Accidents, 1979
HR-207 [abstract] [report] 2.2 MB Feasibility of Wind Powered Aeration of Rest Area Lagoons, 1979
HR-210 [abstract] [report] 1.3 MB Effect of Wildlife Hwy Warning Reflectors on Deer-Vehicle Accidents, 1984
HR-221 [abstract] [report] 1.8 MB Construction and Maintenance Practices to Minimize the Potential Liability of Counties for Roads in Rural Subdivisions., 1981
HR-223 [abstract] [report] 396 kB Maintaining Granular Surfaced Roads (Slides) (Video), 1981
HR-226 [abstract] [report] 862 kB Iowa Research With Chem-Crete Bitumen, 1984
HR-228 [abstract] [report] 328 kB Engineering Study-Automating Iowa's Speed Monitoring Program, 1983
HR-229 [abstract] [report] 1.8 MB Alternative Flexible Overlays, 1988
HR-230 [abstract] [report] 3.9 MB An Invest of Signing Needs at Uncontrolled Local Rd Intersections, 1982
HR-234 [abstract] [report] Compilation of Iowa Highway Laws, 1995
HR-235 [abstract] [report] 1.3 MB Warrants for Rumble Strips on Rural Highways, 1982
HR-241 [abstract] [report] 1.8 MB Development of EDMI Calibration Baseline, 1984
HR-242 [abstract] [report]  4.4 MB

[Exec Summ]

 Economics of Alternative Solutions to the Secondary Road Problem, 1986

Executive Summary
HR-244 [abstract] [report] Detection of Concrete Delamination by Infrared Thermography, 1986
HR-245 [abstract] [report] 684 kB Dynamic Deflections to Determine Roadway Support Ratings, 1983
HR-246 [abstract] [report] 836 kB Engineering Study - Reducing Sign Vandalism, 1992
HR-249 [abstract] [report] Governor's Task Force on Iowa's Transportation Future, 1982
HR-251 [abstract] [report] 1.2 MB Roadway Lighting on Secondary Roads in Iowa, 1984
HR-256 [abstract] [report] 1.5 MB

[addendum]

 Perception and Interpretation of Advance Warning Signs on County Roads, 1984

June, 1985
HR-262 [abstract] [report] 1.7 MB Signing on Very Low Volume Rural Roads, 1984
HR-264 [abstract] [Vol 1] 1.3 MB

[Vol 2] 2.3 MB

 Development of Sufficiency Rating System for Secondary Roads, 1985
HR-265 [abstract] [report] 6 MB

[Executive Sum]

Engineering Study for Evaluation of Public Road Administration and Maintenance Alternatives, 1985
HR-281 [abstract] [report] 1.3 MB Effects of Pavment Surface Texture on Noise and Frictional Characteristics, 1996
HR-282 [abstract] [report] 8.4 MB Automated Traffic/Truck Weight Monitoring Equipment, 1988
  HR-284 [abstract] [report] 4.5 MB Multiplan Spreadsheets for Highway and Hydraulic Engineering Computations in County Engineering Offices, 1987
HR-289 [abstract] [report] 444 kB Engineering Study-Training aids to Reduce Potential County Liabilities, 1989
  HR-293 [abstract] [report] 1.3 MB  Pavement Instrumentation
HR-316 [abstract] [report] 8.1 MB Maximized Utility of the Global Positioning System, 1991
HR-321 [abstract] [report] 1 MB Production of Acetic Acid by Fermentation with Propionibacteria, 1995
HR-322 [abstract] [report] 6.8 MB Estimating Design-Flood Discharges for Streams in Iowa Using Drainage-Basin Channel Geometry Characteristics, 1993
HR-335 [abstract] [report] 826 kB Driver Behavior at Railroad Crossings: Before and After Safety Campaign, 1992
HR-338 [abstract] [report] 3.4 MB The Value of the County Engineer: Strategies for Expanding the Shrinking Employment Pool, 1993
HR-339 [abstract] [report] 4.7 MB Multi-Project Scheduling Procedures for Transportation Projects, 1994
HR-342 [abstract] [report] 3 MB Use of GPS for Photogrammetry, 1993
HR-343 [abstract] [report] 4.9 MB Non-Corrosive Tie Reinforcing and Dowel Bars for Highway Pavement Slabs, 1993
HR-345 [abstract] [report] 324 kB Electronic Bulletin Board System, 1998
HR-347 [abstract] [report] 2 MB Impacts on Safety of Left Turn Treatment at High Speed Intersections, 1994
HR-348 [abstract] [report] 2.8 MB Recruiting and Retaining Women and Minorities for Public Sector Engineering Positions, 1995
HR-357 [abstract] [report] 857 kB An Expert System for Forecasting Fog on US Highway 30 in Cedar Rapids, 1997?
HR-359 [abstract] [report] 2.3 MB Airborne GPS, 1995
HR-363 [abstract] [report] 975 kB Clarifying the Quadrennial Needs Study Process, 1993
HR-366 [abstract] [report] 5.2 MB Field Data Acquisition Technologies for Iowa Transportation, 1994
HR-367 [abstract] [report] 1.5 MB Solar Powered Delineator System, 1993
HR-368 [abstract] [report] 268 kB Construction Automation Using Pen-Based Computers, 1996
HR-369 [abstract] [report] 2 MB Guidelines for County Engineers Decisions, 1997
HR-376 [abstract] [report] Metric Training for Iowa Highway Industry, 1997
HR-377 [abstract] [report] 6.6 MB Field Data Collection and Reporting for Construction, 1997
HR-378 [abstract] [report] Metric Short Courses for the Office of Bridges and Structures, 1995
HR-381 [abstract] [report] 1.5 MB

 

[report] 1.8 MB

 Development of Benchmark Data for the Iowa DOT Construction Office, 1996

Implementation f Benchmark Data for the Iowa DOT Construction Office, 1996
  HR-386   [report] 2.3 MB Distributing State Road Use Tax Funds to Counties, December 1996
HR-387 [abstract] [report] 4 MB Soft Photogrammetry for Highway Engineering, 1998
HR-387 [abstract] [report] Soft Photogrammetry for Highway Engineering, 1998
HR-388 [abstract] [report] 1.2 MB

Total Cost of Transportation/Analysis of Road and Highway Issues
HR-394 [abstract] [report] 76 kB Transportation Program Management System, 1999
TR-402 [abstract] [report] 5 MB Access Management Awareness Program Phase II Report, 1997
TR-404 [abstract] [report] Maximizing the Use of Roadway Weather Information Systems, 1998
  TR-417 [abstract] [report] 8.1 MB lowa County Engineers Association Service Bureau, 2000
TR-418 [abstract] [report] 0.3 MB

Feasibility of using Automated Distress Data in the County Need Study
TR-419 [abstract] [report] 86  kB Education on Urban Corridor Issues Through Computer Animation
  TR-433 [abstract] [report] 788 kB HWYNEEDS: Methodology, Analysis and Evaluation, March 2001
TR-442 [abstract] [report] 2.4 MB Systematic Identification of High Crash Locations, 2001
TR-446 [abstract] [report] 1 MB

Technology Transfer of As-Built and Preliminary Surveys Using GPS, Soft Photogrammetry and Video Logging, 2002
TR-455 [abstract] [report] 8.2 MB

Handbook of Simplified Practice for Traffic Studies, 2002
  TR-460 [abstract] [report] 1.0 MB Living Snow Fences, November 2006
  TR-462 [abstract] [report] 13 MB

Tree and Brush Control for County Road Right-of-Way, 2002
TR-464 [abstract] [report] 3.4 MB

Erosion Control for Highway Application, Phase I: Review and Synthesis of Literature, 2002
  TR-470 [abstract] [report] 281 kB Development of a Method to Determine Pavement Damage Due to Detours, 2005
TR-475 [abstract] [report] 3.4 MB

Synthesis of Best Practice for Increasing Protection and Visibility of Highway Maintenance Vehicles, 2002
TR-477 [abstract] [report] 127 kB Total Cost of Transportation Analysis of Road and Highway Issues, 2002
[data] 981 kB Total Cost of Transportation Analysis of Road and Highway Issues - supporting data and spreadsheets, 2002
TR-494 [abstract] [report] 160 kB Statistical Analysis of Highway Needs Condition Data - Manual vs Automated, 2003
  TR-507 [abstract] [report] 2.4 MB Thin Maintenance Surfaces - PHASE III - Municipal Streets and Low-Volume Rural Roads, 2007
  TR-514 [abstract] [report] 135 MB Development of a Manual of Practice for Roadway Maintenance Workers, 2006
  TR-523 [abstract] [report] 7.1 MB Appropriate Traffic Calming Techniques for Small Iowa Communities, Dec 2007
  TR-524 [abstract] [report] 576 kB Review of Inconsistencies Between SUDAS & Iowa DOT Specifications, 2006
  TR-526 [abstract] [report]1.5 MB Feasibility of Cooperative Development of Wetland Mitigation Projects
TR-527 [abstract] [report] 1.4 MB Guidelines for Removal of Traffic Control Devices in Rural Areas, 2005
  TR-528 [abstract] [report] 2 MB Developing a New Process for Determining Design Year Traffic Demands, 2007
  TR-513 [abstract] [report] 2.2 MB Decision Support Model for Assessing Archaeological Survey Needs for Bridge Replacement Projects in Iowa
  TR-540 [abstract] [report] 2.7 MB Developing Guidance for Use of Lighting in Rural and Urban Roadways in Iowa, February 2008
  TR-549 [abstract] [report] 1.4 MB Roadway Design Standards for Rural and Suburban Subdivisions, 2007
  TR-559 [abstract] [report] 7.8 MB Improved Method for Determining Wind Loads on Highway Sign and Traffic-Signal Structure, 2008
         
  HR-514 [abstract] [report] Low Flush Water Closets & Aeration Systems in Cedar &Scott Co. Rest Areas, 1979?
HR-515 [abstract] [report] 896 kB Experimental Edgelines, 1980
HR-516 [abstract] [report] 72 kB I-35 Fabric Reinforcement, 1984
HR-517 [abstract] [report] Noise Insulation Efforts of the Iowa DOT, 1982?
HR-519 [abstract] [report] Engineering Fabric Installations in Clay County, 1986
HR-521 [abstract] [report] 116 kB Incentive-Disincentive Clauses, 1985
HR-523 [abstract] [report] Study of Logo Signing, 1987?
HR-525 [abstract] [report] 176 kB Engineering Fabric Repair Prior to Resurfacing-Roadglas - US 30, 1992
HR-526 [abstract] [report] Variation in Transverse Tine Texturing Vs Noise Level (HPR 85-4), 1987?
HR-530 [abstract] [report] Pavement Undersealing, 1986
HR-532 [abstract] [report] 472 kB International Barrier Corporation (IBC) Barrier, 1990
HR-536 [abstract] [report] 320 kB Lexan Railroad Signal Gate Arms (TERMINATED 87/10), 1987
HR-540 [abstract] [report] 1.5 MB Absorptive Noise Barriers (Demo 3610), 1987
HR-554 [abstract] [report] 92 kB Evaluation of Visibeads on I-235, 1995
HR-557 [abstract] [report] Traffic Signal System Radio Interconnect, 1991?
HR-1001 [abstract] [report] Archaeological Salvage Operations, 1971
HR-1002 [abstract] [report] Leaded Versus Unleaded Gasoline, 1972
HR-1003 [abstract] [report] Intersection Lighting and Accidents, 1974?
HR-1003 [abstract] [report] 1.2 MB 1003A Effects of Reduced Intersection Lighting on Nighttime Accident Frequency, 1977
HR-1005 [abstract] [report] 1 MB Low Profile Markers for Wet Night Visibility, 1977
HR-1015 [abstract] [report] Evaluation of Darex Corrosion Inhibitor, 1987
HR-1019 [abstract] [report] 1 MB Iowa Motorcycle Ride Meter, 1980
HR-1022 [abstract] [report] Evaluation of Bridge Approach Delineation, 1981?
HR-1023 [abstract] [report] U-Step Project (IA 93 Sumner) (Fiber Mat), 1981
HR-1026 [abstract] [report] Engineering Fabric Installation in Floyd County, 1986
HR-1027 [abstract] [report] Secondary Road Research Coordinator (Annual Funds), 20?? (PRESENT)
HR-1029 [abstract] [report] Cedar Rapids U-Step, 1984
HR-1032 [abstract] [report] Burlington Engineering Fabric Installations (Between Terrace/Easy St), 1990
HR-1034 [abstract] [report] ISU Technology Transfer, 19??
HR-1039 [abstract] [report] NCHRP 14-6 "Evaluating Deferred Maintenance Strategies", 1985
HR-1040 [abstract] [report] Traffic Barrier Systems (SL1 Bridge Railings) (Demo 64), 1987
HR-1046 [abstract] [report] Pavement Performance Curves (Demo 302), 1988
HR-1047 [abstract] [report] 868 kB Video Imagery System for Highway Application (Demo 970), 1989?
HR-1048 [abstract] [report] Highway Materials Engineering at Purdue (Engineering Course), 1988
HR-1050 [abstract] [report] Safety Resource Allocation Program-Implementation Techniques, 1988
HR-1051 [abstract] [report] Evaluation of Microcomputer Pavement Design & Analysis Programs, 1988?
HR-1052 [abstract] [report] Evaluation of Delineation System for Temporary Traffic Barriers in Work Zones, 1985
HR-1053 [abstract] [report] Accident Data Linkage Task Order #20, 1987
HR-1056 [abstract] [report] SHRP SPS-3, 19??
HR-1064 [abstract] [report] History of Iowa's Contribution to Highway Research, 19??
HR-1068 [abstract] [report] 1.8 MB Evaluation of Paver Vibration Frequency Monitoring and Concrete Consolidation, 1998?

HR-1073

 [abstract] [report] Heavy Agricultural Loads on Pavements and Bridges, 1998
  HR-1075 Ph I [abstract] [report] 1 MB

Response of Iowa Pavements to Heavy Agricultural Loads, 1999
  HR-1075 Ph II [abstract] [report] 500 kB Response of Iowa Pavements to Heavy Agricultural Loads, 1999
MLR-7701 [abstract] [report] 1.3 MB Skid Resistance of the Secondary Road System in Iowa, 1977
MLR-7704 [abstract] [report] 1 MB IA DOT's Experience With Recycling PCC Pavement & ACC Pavement, 1977
MLR-7705 [abstract] [report] 475 kB Chloride Penetration into LSDC (IA System) Resurfacing Mixes, 1977
MLR-8107 [abstract] [report] Final Recommendations for a Distribution System for CaCl2 Solution, 1981
MLR-8410 [abstract] [report] Evaluation of Seaman Nuclear Corporation DOR Density Gauge, 1984?
MLR-8413 [abstract] [report] Epoxy Grouting of Re-Bars, 1984?
MLR-8510 [abstract] [report] 3.7 MB Underseal Evaluation Project - I-80 Poweshiek County, 1985
MLR-8602 [abstract] [report] Early Bond Strength Determined by 007 Bond Test & Direct Shear and ---, 1986?
MLR-8603 [abstract] [report] HMWM Resin for Sealing and Bonding of D-Cracked Concrete, 1986?
MLR-8605 [abstract] [report] Effect of Concrete Sealers "Hydrozo" on Friction of PCC Surfaces, 1986?
MLR-8702 [abstract] [report] 397 kB Calibration & Reliability of a Nuclear Asphalt Content Gauge, 1987
MLR-8708 [abstract] [report] 452 kB Evaluation of Polyphosphate Corrosion Inhibitor, 1988

Deicing Salt Corrosion With and Without Inhibitors, 1987
MLR-8709 [abstract] [report] Evaluation of Grouts for Use in Load Transfer Retrofitting of Reinforcing Bars, 1987?
MLR-8801 [abstract] [report] Pavement Evaluation of Iowa 44 in Audubon & Guthrie Counties, 1988?
MLR-8817 [abstract] [report] 103 kB Evaluation of Fiber Mesh Synthetic Fibers in PCC Bridge Barrier Rail, 1988
MLR-8908 [abstract] [report] 676 kB Evaluation of the Baladi Indirect Tensile Appartus, 1990
MLR-9003 [abstract] [report] Uses for Spent Fluidized Bed Material (SBM), 1990
MLR-9006 [abstract] [report] Correlation of ACC Nuclear Densities With Core Densities, 1990?
MLR-9102 [abstract] [report] Evaluation of Bonding Agent, 1991?
MLR-9204 [abstract] [report] Field Study of Recycled Plastic Sign Posts, 1992?
MLR-9510 [abstract] [report] 80 kB Instrumentation of Paver Vibrators, 1999
MLR-9703 [abstract] [report] Field Evaluation of QMC Strength Variability, 1998
       
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Last modified: March 2006