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INDEX  A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Historic Auto Trails

Historic County Routes

A B C D E F G H I J K L M O P R S T U V W

A

Adair County
  • Great White Way White Pole Route – U.S. 6
  • IOA Short Line – Iowa 92
  • Saints Highway – Iowa 25
Adams County
  • Blue Grass Road – U.S. 34
  • Harding Highway – U.S. 34
  • Saints Highway – Iowa 25
Allamakee County
  • East Iowa Scenic Trail – Iowa 9
  • Imperial Highway – Iowa 9
  • Mississippi Valley Highway – Iowa 76
  • Waukon and West Union Road – Iowa 51
Appanoose County
  • Corn Belt Highway – no present route
  • Southwest Trails – Iowa 5
  • Waubonsie Trail – Iowa 2
Audubon County
  • Detroit (Michigan)- Lincoln (Nebraska) Denver (Colorado) – County Road F-58
  • Hamlin Short Line – Iowa 44
  • M.C. Trail – U.S. 71
  • Nishna Valley Route – U.S. 71
  • River-to-River Road – no present route

B

Benton County
  • Belle Plaine and Waterloo Road – Iowa 21
  • Cedar Rapids and Marengo Cut-off – Iowa 149
  • Cedar Rapids-Urbandale-Independence – Iowa 150 and Iowa 101
  • Diagonal Trail
  • Iowa Falls, Eldora and Cedar Rapids Diagonal – Iowa 8 and U.S. 218
  • Iowa Official Transcontinental Route – Iowa 131 and U.S. 30
  • Os (Oskaloosa) and Cedar Rapids Road – Iowa 149
  • Ottumwa-Cedar Rapids and McGregor Trail – County Road E-68
  • Pershing Way – Iowa 82, Iowa 199 and U.S. 218
  • Red Ball Route – U.S. 218
  • St. Paul, Burlington and St. Louis Route – no present route
  • Waterloo and Keokuk Belt Line – U.S. 218
  • Waterloo and Marengo Road – Iowa 82
Blackhawk County
  • Belle Plaine and Waterloo Road – Iowa 21
  • Hawkeye Highway – U.S. 20 and U.S. 218
  • Pershing Way – U.S. 218
  • Red Ball Route – U.S. 218
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 218
  • Tama and Waterloo Highway – U.S. 63
  • Tourists’ Trail – U.S. 218 and Iowa 281
  • Waterloo and Keokuk Belt Line – U.S. 218
  • Waterloo and Marengo Road – U.S. 218
  • Waterloo and New Hampton Road – U.S. 63
  • Waterloo, Grundy Center and Marshalltown Road – U.S. 63
Boone County
  • Daniel Boone Trail – U.S. 169 and Iowa 17
  • Des Moines and Clear Lake Tourist Route – Iowa 17
  • Des Moines, Fort Dodge and Twin City Air Line – no present route
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls Highway – no present route
  • Iowa Official Transcontinental Route – U.S. 30
  • Perry Pike – U.S. 169
  • Woodward-Ogden Cut-off – U.S. 169
Bremer County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Pershing Way – Iowa 3
  • Red Ball Route – U.S. 218
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 218
  • Tourists’ Trail – U.S. 218
  • Waterloo and New Hampton Road – U.S. 63
Buchanan County
  • Center Point Motor Club – Iowa 150
  • Hawkeye Highway – U.S. 20
  • North Star Route – Iowa 150
  • Tourists’ Trail – U.S. 20
Buena Vista County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Des Moines and Spirit Lake – no present route
  • Hawkeye Highway – Iowa 7
  • Hawkeye Short-cut and Spirit Lake – Iowa 110
  • Lake Air Line – no present route
  • Nishna Valley Route – U.S. 71
  • Okoboji Trail – U.S. 71
  • Omaha, Denison Line – no present route
  • Panora Highway – Iowa 10
  • Storm Lake and Okoboji Air Line – U.S. 71
Butler County
  • Allison and Marshalltown Road – Iowa 14
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Hawkeye Highway – U.S. 20
  • Mason City and Waverly Road – Iowa 188
  • Pershing Way – no present route

C

Calhoun County
  • Des Moines, Panora and Spirit Lake Highway – Iowa 175 and Iowa 4
  • Hawkeye Highway – Iowa 7
  • Hawkeye Highway Cut-off – U.S. 20
Carroll County
  • Botna Valley Route – no present route
  • Iowa Official Transcontinental Route – U.S. 30
  • M.C. Trail – U.S. 71
  • Nishna Valley Route – U.S. 71 and Iowa 141
  • Okoboji Trail – U.S. 71 and U.S. 30
Cass County
  • Great White Way White Pole Route – U.S. 6
  • IOA Short Line – Iowa 92
  • M.C. Trail – U.S. 71
  • Nishna Valley Route – Iowa 48 and U.S. 6
  • River to River Road – Iowa 83
  • White Way 7 Highway – Iowa 83
Cedar County
  • Davenport, Tipton and Cedar Rapids Short Line – Iowa 130
  • Diagonal Trail – County Road X-30
  • Green Crescent Route – Iowa 70
  • Iowa Official Transcontinental Route – U.S. 30
  • River-to-River Route – no present route
  • The King’s Highway – County Road X-40 and F-28
Cerro Gordo
  • Atlantic Yellowstone Pacific – U.S. 18
  • Black Hills Highway – U.S. 18
  • Des Moines, Clear Lake Tourist Route – Iowa 107
  • Des Moines, Mason City and Minneapolis – U.S. 65
  • Glacier Trail – U.S. 65
  • Herbert Hoover – Iowa 38 and Iowa 130
  • Jefferson Highway – U.S. 65
  • Lake-to-Lake Route – no present route
  • National Parks Pike – U.S. 18
  • North Iowa Pike – U.S. 18
  • Pershing Way – U.S. 18
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – U.S. 65
Cherokee County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Council Bluffs, Sioux City and Spirit Lake Official Highway – Iowa 143
  • Hawkeye Highway – Iowa 3 and Iowa 7
  • Okoboji Diagonal – Iowa 31 and U.S. 59
Chickasaw County
  • Black Hills Highway – U.S. 18
  • Mississippi Valley Highway – County Road V-64
  • National Parks Pike – U.S. 18
  • New Hampton and Cresco – U.S. 63
  • New Hampton and La Crosse (Wisconsin) Pike – Iowa 24
  • North Iowa Pike – U.S. 18
  • Red Ball Route – U.S. 218
  • Tourists’ Trail – U.S. 218
  • Waterloo and New Hampton Road – U.S. 63
Clarke County
  • Blue Grass Road – U.S. 34
  • Chariton-Leon Short Line – County Road J-12
  • Corn Belt Highway – Iowa 266
  • Harding Highway – U.S. 34
  • Interstate Trail – U.S. 69
  • Jefferson Highway – U.S. 69
  • Lineville and Indianola Short Line – County Road R-69 and H-50
  • Star Route – County Road R-45
  • Tourists’ Trail – County Road R-15 and R-21
Clay County
  • Atlantic Yellowstone Pacific – U.S. 71 and U.S. 18
  • Black Hills Highway – U.S. 18
  • Diagonal Trail – U.S. 71 and U.S. 18
  • National Parks Pike – U.S. 18
  • North Iowa Pike – U.S. 18
  • Okoboji Trail – U.S. 71
  • Omaha, Denison and Spirit Lake – U.S. 71
  • Onawa, Okoboji Diagonal – U.S. 18
  • Storm Lake and Okoboji Air Line – U.S. 71
Clayton County
  • Black Hills Highway – U.S. 18
  • East Iowa Pike – no present route
  • East Iowa Scenic Trail – U.S. 52 and Iowa 340
  • Elkader Pike – Iowa 56 and Iowa 13
  • Hawkeye Highway – Iowa 3
  • Iowa Scenic Trail – U.S. 18
  • Manchester, West Union Pike – Iowa 3
  • Mississippi Valley Highway – Iowa 340 and U.S. 52
  • National Parks Pike – U.S. 18 and U.S. 52
  • North Iowa Pike – U.S. 18
  • Ottumwa-Cedar Rapids and McGregor Trail – Iowa 13 and U.S. 18
Clinton County
  • Ansel Briggs Memorial Highway – U.S. 61
  • Clinton and Mequoketa Road – Iowa 136
  • Davenport and East Iowa Pike – U.S. 61
  • Dubuque Road – U.S. 61
  • East Iowa Scenic Trail – U.S. 67 and Iowa 136
  • Iowa Official Transcontinental Route – U.S. 30
  • Mississippi Valley Highway – U.S. 61
Crawford County
  • Iowa Official Transcontinental Route – U.S. 30
  • Omaha, Denison and Spirit Lake – Iowa 39
  • Sioux City and Denison Cut-off – Iowa 141 and U.S. 59

D

Dallas County
  • Ayr Line – Iowa 90 and U.S. 6
  • Des Moines, Ft. Dodge, Spirit Lake and Sioux Falls Official Highway – U.S. 169
  • Detroit (Michigan)- Lincoln (Nebraska)- Denver (Colorado) Highway – U.S. 6
  • Great White Way – U.S. 6
  • Panora Speedway – Iowa 44
  • Perry Pike – Iowa 44
  • River to River Road – U.S. 6
  • White Way 7 Highway – U.S. 6
  • Woodward-Ogden Cut-off – County Road R-30
Davis County
  • Corn Belt Highway – Iowa 273
  • Daniel Boone Trail – U.S. 63
  • Glacier Trail – U.S. 63
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – U.S. 63
  • Waubonsie Trail – Iowa 2
Decatur County
  • Chariton-Leon Short Line – U.S. 69
  • Interstate Trail – U.S. 69
  • Jefferson Highway – U.S. 69
  • Lineville and Indianola Short Line – County Road R-69 and R-72,and Iowa 204
  • The Grand Line – County Road R-15 and Iowa 294
  • Waubonsie Trail – U.S. 69 and Iowa 2
Delaware County
  • East Iowa Pike – no present route
  • Hawkeye Highway – U.S. 20 and County Road D-22
  • Hawkeye Pike – Iowa 13
  • Manchester and Cedar Rapids Road – Iowa 13
  • Manchester and West Union – Iowa 13
  • Ottumwa-Cedar Rapids and McGregor Trail – Iowa 13
  • Tourists Trail – County Road D-22
Des Moines
  • Blue Grass Road – U.S. 34 and Iowa 406
  • Burlington and Chicago Route – Iowa 99
  • Burlington and Muscatine Route – U.S. 61
  • Harding Highway – U.S. 34
  • Mississippi Valley Highway – U.S. 61 and County Road X-37
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Minnesota) Route – U.S. 61
Dickinson County
  • Atlantic Yellowstone Pacific – Iowa 9 and U.S. 71
  • Council Bluffs, Sioux City and Spirit Lake Official Highway – U.S. 71
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls Official Highway – Iowa 9
  • Diagonal Trail – County Road M-32 and A-18, and U.S. 71
  • Imperial Highway – Iowa 9 and County Road A-18
  • Okoboji Trail – U.S. 71
  • Omaha, Denison, Spirit Lake Air Line – U.S. 71
  • Storm Lake and Okoboji Air Line – U.S. 71
Dubuque County
  • Ansel Briggs Memorial Highway – U.S. 52
  • Dubuque and Cedar Rapids Military Road – U.S. 151
  • East Iowa Pike – Iowa 136
  • East Iowa Scenic Trail – U.S. 52 and Iowa 3
  • Hawkeye Highway – U.S. 20
  • Mississippi Valley Highway – U.S. 52, Iowa 3 and U.S. 61
  • Tourists' Trail – U.S. 20

E
Emmet County
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls (South Dakota) Official Highway – Iowa 4
  • Imperial Highway – Iowa 9

F

Fayette County
  • Black Hills Highway – U.S. 18
  • Center Point Motor Club – Iowa 193, Iowa 150 and County Road W-25
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Elkader Pike – Iowa 56
  • Manchester, West Union and Hawkeye Pike – Iowa 150 and Iowa 154
  • Mississippi Valley Highway – Iowa 193 and County Road W-13
  • National Parks Pike – U.S. 18
  • North Star Route – Iowa 3 and Iowa 150
Floyd County
  • Atlantic Yellowstone Pacific – U.S. 18
  • Black Hills Highway – U.S. 18
  • National Parks Pike – U.S. 18
  • Pershing Way – County Road T-26 and T-24
  • Red Ball Route – U.S. 218 and County Road T-64
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 218
  • Tourists' Trail – U.S. 218 and County Road T-64
Franklin County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Des Moines, Clear Lake Tourist Road – Iowa 107
  • Des Moines, Mason City and Minneapolis Highway – U.S. 65
  • Diagonal Trail – County Road S-13
  • Glacier Trail – County Road S-43, S-56 and C-55
  • Hawkeye Highway – U.S. 20
  • Jefferson Highway – U.S. 65 and County Road S-43
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – U.S. 65
Fremont County
  • Harding Highway – County Road J-32 and J-34, and Iowa 2
  • Lewis and Clark Trail – I-29
  • Waubonsie Trail – Iowa 2, County Road J-34 and J-32

G

Greene County
  • Des Moines, Fort Dodge and Twin City Air – Iowa 144
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls (South Dakota) Highway – Iowa 144
  • Des Moines, Panora and Spirit Lake – Iowa 4
  • Iowa Official Transcontinental Route – U.S. 30, County Road E-39 and E-53
  • Okoboji Trail – County Road E-53, P-40 and E-39
Grundy County
  • Iowa Falls, Eldora and Cedar Rapids Diagonal (Diagonal Trail) – Iowa 14 and Iowa 175
  • Marshalltown and Parkersburg – Iowa 14
  • St. Paul (Minnesota) and St. Louis (Missouri)
  • Short Line – Iowa 14
  • Waterloo Road – Iowa 175
Guthrie County
  • Des Moines, Panora and Spirit Lake Highway – Iowa 4
  • Detroit-Lincoln-Denver – Iowa 44
  • Hamlin Short Line – Iowa 44
  • Panora Speedway – Iowa 44, County Road F-59 and F-51
  • Perry Pike – Iowa 44
  • River-to-River Road – Iowa 44
  • White Way 7 Highway – County Road F-65

H

Hamilton County
  • Clear Lake Tourist Route – Iowa 17
  • Des Moines and Twin City Short Line – Iowa 17
  • Des Moines, Mason City and Minneapolis(Minnesota) – Iowa 175
  • Hawkeye Highway – U.S. 20 and County Road D-23
  • Wilson Highway – U.S. 69
Hancock County
  • Atlantic Yellowstone Pacific – U.S. 18
  • Black Hills Highway – U.S. 18
  • Des Moines and Twin City Short Line – U.S. 69
  • National Parks Pike – U.S. 18
  • Wilson Highway – U.S. 69
Hardin County
  • Des Moines, Mason City and Minneapolis (Minnesota) – U.S. 65 and Iowa 175
  • Eldora State-Center – County Road S-57
  • Glacier Trail – Iowa 215 and County Road S-56
  • Hawkeye Highway – U.S. 20 and County Road D-15
  • Indian Trail – County Road S-75
  • Jefferson Highway – U.S. 65
Harrison County
  • Council Bluffs, Sioux City and Spirit Lake Official Highway – Iowa 183
  • Custer Battlefield Highway – County Road L-23 and Iowa 183
  • Iowa Official Transcontinental Route – U.S. 30
  • Lewis and Clark Trail – I-29 and U.S. 75
  • Omaha, Mason City and Spirit Lake Air Line – U.S. 30
Henry County
  • Blue Grass Road – U.S. 34
  • Blue Grass Road (Muscatine branch) – Iowa 78
  • Harding Highway – U.S. 34
  • Red Ball Route – U.S. 218 and County Road W-55
  • Waterloo and Keokuk Belt Line – U.S. 218
  • Webster Trail – U.S. 218
Howard County
  • Calmar, Cresco and Austin Pike – Iowa 9 and U.S. 63
  • Center Point Motor Club – County Road V-58
  • Cresco and New Hampton Road – U.S. 63
  • Imperial Highway – Iowa 9
  • Mississippi Valley Highway – County Road V-58
Humbolt County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Daniel Boone Trail – U.S. 169 and County Road P-56
  • Des Moines, Fort Dodge and Twin City Air Line – U.S. 169
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls (South Dakota) Official Highway – Iowa 3 and U.S. 169
  • Diagonal Trail – County Road C-20, P-66 and C-26

I

Ida County
  • Hawkeye Highway Cut-off – U.S. 20
Iowa County
  • Cedar Rapids and Marengo Road – Iowa 220
  • Detroit-Lincoln-Denver – U.S. 6
  • Diamond Trail – County Road F-52
  • Fairfield, Keota and Cedar Rapids – Iowa 149
  • Koszta Kut Off – Iowa 212
  • Ottumwa, Sigourney and Cedar Rapids – Iowa 149
  • Ottumwa-Cedar Rapids-McGregor Trail – County Road V-77, Iowa 149 and Iowa 220
  • Pershing Way – Iowa 149
  • River to River Road – U.S. 6 and Iowa 149
  • White Way 7 Highway – U.S. 6

J

Jackson County
  • Ansel Briggs Memorial Highway – County Road V-61 and Iowa 62
  • Cedar Rapids, Mequoketa and Clinton Road – Iowa 64
  • Davenport and Dubuque Road – U.S. 61
  • East Iowa Scenic Trail – U.S. 61
  • Manchester and Mequoketa Pike – Iowa 69
  • Mississippi Valley Highway – U.S. 61
Jasper County
  • Daniel Boone Trail – Iowa 163
  • Detroit (Michigan)-Lincoln (Nebraska)-Denver (Colorado) – U.S. 6
  • Diamond Trail – Iowa 163 and County Road F-62
  • Eldora State Center – U.S. 65 and Iowa 117
  • Glacier Trail – County Road T-38
  • Great White Way – Iowa 163
  • Marshalltown and Colfax Short Line – County Road S-62 and Iowa 223
  • Muscatine-Des Moines Short Line – Iowa 163 and County Road F-62
  • Newton and Marshalltown Road – Iowa 14
  • Ottumwa and Des Moines Trail – Iowa 163
  • River-to-River Road – U.S. 6
  • White Way 7 Highway – U.S. 6
Jefferson County
  • Blue Grass Road – U.S. 34
  • Fairfield and Washington Road – Iowa 1
  • Fairfield, Keota and Cedar Rapids Road – Iowa 1
  • Harding Highway – U.S. 34
  • Pershing Way – Iowa 1
  • Southwest Trails – U.S. 34 and Iowa 1
Johnson County
  • Detroit (Michigan)-Lincoln (Nebraska)-Denver (Colorado) – U.S. 6 and County Road F-46
  • Diagonal Trail – County Road W-66 and F-46
  • Diamond Trail – County Road F-52 and Iowa 1
  • Green Crescent Route – Iowa 382
  • Iowa City and Washington Road – Iowa 1
  • Mississippi Valley Highway – County Road W-66, U.S. 6, County Road X-14 and Iowa 405
  • Muscatine-Des Moines Short Line – Iowa 22
  • Red Ball Route – County Road W-66 and U.S. 218
  • River to River Road – U.S. 6
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 218
  • Waterloo and Keokuk Belt Line – U.S. 218 and Iowa 1
  • White Way 7 Highway – U.S. 6
Jones County
  • Dubuque and Cedar Rapids Military Road – U.S. 151
  • Manchester and Maquoketa Road – Iowa 38

K

Keokuk County
  • Fairfield, Keota and Cedar Rapids – Iowa 77
  • IOA Short Line – Iowa 92
  • Ottumwa, Sigourney and Cedar Rapids Road – Iowa 149
  • Ottumwa-Cedar Rapids-McGregor Trail – Iowa 149
  • Pershing Way – Iowa 77 and County Road W-15
  • Prairie Trail – Iowa 149 and Iowa 78
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – Iowa 21
Kossuth County
  • Atlantic Yellowstone Pacific – U.S. 18
  • Black Hills Highway – U.S. 18
  • Daniel Boone Trail – U.S. 169 and County Road P-50
  • Des Moines, Fort Dodge and Twin City Air Line – U.S. 169
  • Imperial Highway – Iowa 9
  • National Parks Pike – U.S. 18 and County Road B-40

L

Lee County
  • Blue Grass Road (Fort Madison branch) – Iowa 16 and Iowa 88
  • Corn Belt Highway – U.S. 61 and Iowa 2
  • Red Ball Route – U.S. 218 and County Road W-55
  • Waterloo and Keokuk Belt Line – U.S. 218
  • Waubonsie Trail – U.S. 218
  • Webster Trail – U.S. 218
Linn County
  • Cedar Rapids and Marengo Cut-off – Iowa 149
  • Cedar Rapids, Manchester Road – Iowa 13
  • Cedar Rapids, Maquoketa and Clinton Route – U.S. 151
  • Cedar Rapids-Urbana-Independence – County Road E-36 and Iowa 94
  • Center Point Motor Club – Iowa 150
  • Diagonal Trail – Iowa 94 and County Road W-54
  • Dubuque, Cedar Rapids Military Road – U.S. 151
  • Green Crescent Route – County Road W-6E
  • Iowa Falls, Eldora and Cedar Rapids Route – Iowa 94
  • Iowa Official Transcontinental Highway – U.S. 218 and U.S. 30
  • Mississippi Valley Highway – Iowa 150 and County Road W-54
  • Ottumwa, Sigourney and Cedar Rapids Road – Iowa 149
  • Ottumwa-Cedar Rapids-McGregor Trail – Iowa 149, Iowa 13 and County Road W-60
  • Red Ball Route – County Road E-48 and W-54
  • St. Pau l(Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 218
  • The Kings Highway – County Road E-48
  • Waterloo and Keokuk Belt Line – U.S. 218 and Iowa 94
Louisa County
  • Blue Grass Road – Iowa 92
  • Burlington and Muscatine Road – U.S. 61
  • Great White Way – County Road G-52 and G-34
  • IOA Short Line – Iowa 92
  • Mississippi Valley Highway – Iowa 70
  • Southwest Trails – County Road G-52
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S. 61
Lucas County
  • Blue “J” Highway – U.S. 65, Iowa 14, County Road H-20 and S-23
  • Blue Grass Road – U.S. 34 and County Road H-40
  • Blue Grass Road East Cut-off – U.S. 65
  • Daniel Boone Trail – County Road H-50
  • Harding Highway – U.S. 34
  • Russell Boulevard – U.S. 34
Lyon County
  • Atlantic Yellowstone Pacific – Iowa 9
  • Black Hills Highway – U.S. 18 and County Road A-42
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls Official Highway – Iowa 9
  • Imperial Highway – Iowa 9
  • National Parks Pike – U.S. 18 and County Road A-42
  • Sioux City and Sioux Falls (South Dakota) Official Highway – U.S. 75

M

Madison County
  • Ayr Air Line – U.S. 169
  • IOA Short Line – Iowa 92
  • The Great White Way (White Pole Route) – County Road G-14
  • Tourists’ Trail – County Road R-35 and G-68
  • Wilson Highway – Iowa 92, County Road P-69 and G-53
Mahaska County
  • Daniel Boone Trail – Iowa 163, U.S. 63, County Road T-63 and G-63
  • Great White Way – Iowa 163
  • IOA Short Line – Iowa 92
  • John D. Parmelee Trail – Iowa 5
  • Oskaloosa and Montezuma Road – U.S. 63
  • Ottumwa and Des Moines Trail – Iowa 163 and U.S. 63
  • Prairie Trail – U.S. 63
Marion County
  • Daniel Boone Trail – Iowa 163
  • Everett Powers – Iowa 5
  • Great White Way – Iowa 163
  • IOA Short Line – Iowa 92
  • Ottumwa and Des Moines Trail – Iowa 163
Marshall County
  • Black Diamond Trail – Iowa 14
  • Eldora State-State Center – County Road S-52 and E-63
  • Glacier Trail – Iowa 146 and County Road S-75
  • Iowa Official Transcontinental Route – U.S. 30
  • Marshalltown and Waterloo Road – Iowa 14
  • Marshalltown-Colfax Short Line – County Road S-62
  • St. Paul (Minnesota), St. Louis (Missouri) Short Line – Iowa 14, Iowa 146 and U.S. 30
Mills County
  • Blue Grass Road – U.S. 34, U.S. 275, and County Road H-38, M-16 and H-34
  • Council Bluffs and Shenandoah Short Line – Iowa 41
  • Lewis and Clark Trail - I-29 and U.S. 34
  • O.K. Short Line – U.S. 275
  • Waubonsie Trail – U.S. 275
Mitchell County
  • Imperial Highway – Iowa 9, Iowa 105 and County Road A-31
  • Red Ball Route – U.S 218, and County Road T-28 and T-42
  • St. Paul (Minnesota), Burlington (Iowa) and St. Louis (Missouri) Route – U.S 218
  • Tourists' Trail – U.S. 218, and County Road T-42 and T-28
Monona County
  • Custer Battlefield Highway – County Road K-45
  • Denison-Sioux City Cut-off – County Road E-16 and Iowa 141
  • Lewis and Clark Trail – I-29
Monroe County
  • Blue Grass Road – U.S. 34, and County Road H-40, H-35 and H-47
  • Harding Highway – U.S. 34
  • Southwest Trails – County Road T-55
Montgomery County
  • Blue Grass Road – U.S. 34, and County Road H-34 and N-18
  • Harding Highway – County Road H-34 and Iowa 48
  • M.C. Trail – U.S. 71
  • Nishna Valley Route – Iowa 48
Muscatine County
  • Detroit (Michigan)-Lincoln (Nebraska)-Denver (Colorado) – U.S. 6
  • Diagonal Trail – U.S. 6
  • Great White Way – U.S. 61 and Iowa 92
  • IOA Short Line – U.S. 61
  • Mississippi Valley Highway – Iowa 70
  • Muscatine-Des Moines Short Line – Iowa 22
  • River-to-River Road – U.S. 6
  • Southwest Trails – U.S. 61
  • White Way 7 Highway – U.S. 6

O

O’Brien County
  • Black Hills Highway – U.S. 18
  • National Parks Pike – U.S.  18
  • Onawa and Okoboji Official Highway – U.S. 18
  • Sioux City and Spirit Lake Diagonal – U.S. 59
Osceola County
  • Atlantic Yellowstone Pacific – Iowa 9
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls Official Highway – Iowa 9
  • Imperial Highway – County Road A-22, L-62 and A-18
  • Sioux City and Twin City Short Line – Iowa 60

P

Page County
  • M.C. Trail – U.S. 71
  • Nishna Valley Route – Iowa 48
  • Waubonsie Trail – Iowa 2 and County Road J-35
Palo Alto County
  • Atlantic Yellowstone Pacific – U.S. 18 and Iowa 4
  • Black Hills Highway – U.S. 18
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls (South Dakota) Official Highway – Iowa 4
  • Diagonal Trail – U.S. 18 and County Road N-60
  • National Parks Pike – U.S. 18
Plymouth County
  • Council Bluffs, Sioux City and Spirit Lake Highway – U.S. 75 and Iowa 3
  • Custer Battlefield Highway – Iowa 12
  • Hawkeye Highway – U.S. 75 and Iowa 3
  • Sioux City and Twin City Short Line – Iowa 60
  • Sioux City, Sioux Falls (South Dakota) Official Highway – U.S. 75
  • Sioux Valley Scenic Route – Iowa 12
Pocahontas County
  • Cherokee, Humbolt, Waverly, and Oelwein Air Line – Iowa 3
  • Des Moines, Panora and Spirit Lake Highway – Iowa 4 and Iowa 10
  • Hawkeye Highway – County Road D-11
Polk County
  • Blue “J” Highway – U.S. 69 and U.S. 65
  • Daniel Boone Trail – Iowa 17, County Roads F-4R and R-6F, and Iowa 163
  • Des Moines and Clear Lake Tourist Route – Iowa 415
  • Des Moines and Twin City Short Line – Iowa 415
  • Des Moines and Winterset Road – Iowa 28
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls(South Dakota) Highway – Iowa 90
  • Detroit (Michigan)-Lincoln (Nebraska )-Denver (Colorado) – County Road F-52 and S-14
  • Interstate Trail – U.S. 65 and U.S. 69
  • Jefferson Highway – U.S. 69 and U.S. 65
  • John D. Parmelee Trail – Iowa 5
  • Muscatine-Des Moines Short Line – Iowa 163
  • Okoboji Trail – County Road R-6F
  • Ottumwa, Des Moines Trail – Iowa 163
  • River-to-River Road – U.S. 6
  • Star Route – Iowa 28
  • The Great White Way (White Pole Route) – Iowa 90 and Iowa 163
  • Tourists’ Trail – Iowa 28
  • White Way 7 Highway – County Road F-29
  • Wilson Highway – U.S. 69
  • Woodward-Ogden Cut-off – Iowa 401 and County Road R-6F
Pottawattamie County
  • Blue Grass Road – U.S. 275
  • Botna Valley Route – Iowa 168
  • Council Bluffs, Shenandoah Short Line – U.S. 275
  • Council Bluffs, Sioux City and Spirit Lake Official Highway – Iowa 183
  • Custer Battlefield Highway – Iowa 183
  • Detroit (Michigan)-Lincoln (Nebraska)-Denver (Colorado) – Iowa 191 and Iowa 83
  • Great White Way (White Pole Route) – U.S. 6
  • Iowa Official Transcontinental Route – Iowa 183
  • Iowa Short Line – Iowa 92
  • Lewis and Clark Trail – I-29 and U.S. 75
  • O.K. Short Line – Iowa 192
  • Omaha (Nebraska), Denison and Spirit Lake Air Line – Iowa 183
  • River-to-River Road – Iowa 83
  • Waubonsie Trail – Iowa 192
Poweshiek County
  • Detroit-Lincoln-Denver – U.S. 6 and County Road F-29
  • Diamond Trail – Iowa 85 and County Road F-52 and F-57
  • Glacier Trail – Iowa 146
  • Montezuma and Waterloo Road – U.S. 63
  • Muscatine-Des Moines Short Line – County Road F-57 and V-13
  • Oskaloosa and Montezuma Road – U.S. 63 and U.S. 6
  • River-to-River Road – U.S. 6
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – Iowa 146
  • White Way 7 Highway – U.S. 6

R

Ringgold County
  • Ayr Line – U.S. 169
  • Corn Belt Highway – Iowa 259
  • Highland Highway – Iowa 25
  • Saints Highway – Iowa 25
  • Tourists’ Trail – U.S. 169, and County Roads J-25, P-54 and P-64
  • Waubonsie Trail – Iowa 2

S

Sac County
  • Hawkeye Highway Cut-off – U.S. 20
  • Nishna Valley Route – Iowa 36 and U.S. 71
  • Okoboji Trail – U.S. 71, U.S. 20 and Iowa 196
Scott County
  • Ansel Briggs Memorial Highway – U.S. 61
  • Davenport, Maquoketa and Dubuque Road – U.S. 61
  • Davenport, Tipton and Cedar Rapids Road – Iowa 130
  • Detroit (Michigan )-Lincoln (Nebraska)-Denver (Colorado) – U.S. 6
  • Diagonal Trail – U.S. 6
  • East Iowa Pike – U.S. 61
  • East Iowa Scenic Trail – U.S. 67
  • Great White Way – U.S. 61
  • Iowa Short Line – U.S. 61
  • Mississippi Valley Highway – U.S. 61
  • River-to-River Road – U.S. 6
  • Southwest Trails – U.S. 61
  • The Kings Highway – Iowa 130
  • White Way 7 Highway – U.S. 6
Shelby County
  • Detroit (Michigan)-Lincoln (Nebraska)-Denver (Colorado) – County Road F-58
  • Hamlin Short Line – Iowa 173
  • River-to-River Road – County Road F-58
Sioux County
  • Black Hills Highway – U.S. 18
  • Custer Battlefield Highway – Iowa 12 and County Road K-18
  • National Parks Pike – U.S. 18 and County Road K-30
  • Sioux City and Sioux Falls (South Dakota) Official Highway – U.S. 75
  • Sioux City and Twin City Short Line – Iowa 60
  • Sioux Valley Scenic Route – Iowa 12 and Iowa 10
Story County
  • Des Moines, Mason City and Minneapolis – U.S. 69
  • Eldora-State Center – U.S. 65 and County Road E-63
  • Iowa Official Transcontinental Route – U.S. 30 and County Road E-41
  • Wilson Highway – U.S. 69

T

Tama County
  • Belle Plaine and Waterloo Road – Iowa 21
  • Indian Trail – U.S. 63 and Iowa 96
  • Iowa Falls, Eldora and Cedar Rapids Diagonal (Diagonal Trail) – County Road T-69, D-65, U.S. 63, and Iowa 8
  • Iowa Official Transcontinental Route – U.S. 30 and County Road E-66
  • Montezuma and Waterloo Road – U.S. 63
  • Tama, Waterloo Highway – U.S. 63
Taylor County
  • Corn Belt Highway – Iowa 49
  • Red Line Route – County Road N-26
  • Saints Highway – Iowa 148
  • The Bedford Way – Iowa 2
  • Waubonsie Trail – County Road J35
  • Wilson Trail – Iowa 49

U

Union County
  • Ayr Line – U.S. 169
  • Blue Grass Road – U.S. 34
  • Saints Highway – Iowa 25 and U.S. 34
  • Tourists’ Trail – County Road P-64
  • Wilson Highway – County Road P-39 and H-17

V

Van Buren County
  • Blue Grass Road – Iowa 269
  • Pershing Way – Iowa 1 and Iowa 2
  • Waubonsie Trail – Iowa 2 and County Road J-56

W

Wapello County
  • Blue Grass Road – U.S. 34, County Road H-47 and H-41
  • Daniel Boone Trail – U.S. 63 and County Road V-3H
  • Glacier Trail – U.S. 63 and Iowa 23
  • Harding Highway U.S. 34
  • Ottumwa, Sigourney and Cedar Rapids Route – U.S. 63
  • Ottumwa-Cedar Rapids and McGregor Trail – County Road V-5H and U.S. 63
  • Prairie Trail – no present route
  • Southwest Trails – County Road H-41 and U.S. 34
  • St. Paul (Minnesota) and St. Louis (Missouri) Short Line – U.S. 63
Warren County
  • Blue “J” Highway – U.S. 69 and U.S. 65
  • Interstate Trail – Iowa 28
  • IOA Short Line – Iowa 92
  • Jefferson Highway – U.S. 69 and U.S. 65
  • Lineville and Indianola Short Line – U.S. 65 and U.S. 69
  • Star Route – Iowa 28
  • Wilson Highway – Iowa 28
Washington County
  • Fairfield and Washington Road – Iowa 1
  • Great White Way – County Road G-38, G-6W and G-52
  • Iowa Short Line – Iowa 92
  • Muscatine-Des Moines Short Line – Iowa 22
  • Red Ball Route – U.S. 218
  • Southwest Trails – Iowa 1 and County Road G-52
  • Waterloo, Keokuk Belt Line – Iowa 1
Wayne County
  • Blue “J” Highway – Iowa 40
  • Lineville and Indianola Short Line – County Road R-72
  • Southwest Trails – County Road J-46
  • Waubonsie Trail – Iowa 2
Webster County
  • Des Moines, Fort Dodge and Twin City Air Line – U.S. 169
  • Des Moines, Fort Dodge, Spirit Lake, and Sioux Falls(South Dakota) Official Highway – U.S. 169
  • Hawkeye Highway – U.S. 20
  • Hawkeye Highway Cut-off – County Road D-33
Winnebago County
  • Des Moines and Twin City Short Line – Iowa 9 and U.S. 69
  • Imperial Highway – Iowa 9
  • Pershing Way – Iowa 9
  • Wilson Highway – U.S. 69
Winneshiek County
  • Mississippi Valley Highway – Iowa 9 and County Road V-64