List of U.S. Highways in Iowa

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United States Numbered Highways of the Iowa Primary Highway System
US 32 Iowa 1926.svgUS 75 (1961).svgUS 151 square.svg
Highway markers from different years for former US 32 (1926), US 75 (1961) and current US 151 (1971)
System information
Length: 3,627 mi (5,837 km)
Formed: November 11, 1926[1]
Highway names
US Highways: US Highway nn (US nn)
System links

Mainline routes[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 322.655 519.263 I-480 / US-6 at Omaha, Neb. I-74 / US 6 at Moline, Ill. 01931-06-081931 current  
US 18 311.459 501.245 US 18 near Canton, S.D. US 18 / WIS 60 at McGregor 01926-07-011926 current  
US 20 301.429 485.103 I-129 / US-20 / US-75 at South Sioux City, Neb. US 20 at East Dubuque, Ill. 01926-07-011926 current  
US 30 330.266 531.512 US-30 at Blair, Neb. US 30 at Fulton, Ill. 01926-07-011926 current  
US 32 322 518 US 30 / US 75 in Council Bluffs US 32 at Davenport 01926-07-011926 01931-06-081931 Replaced by US 6
US 34 271.786 437.397 US-34 near Plattsmouth, Neb. US 34 at Gulfport, Ill. 01926-07-011926 current  
US 52 166.409 267.809 US 52 / IL 64 at Savanna, Ill. US 52 near Burr Oak 01935-01-011935 current  
US 55 225 362 US 61 in Davenport US 55 near Burr Oak 01926-07-011926 01935-01-011935 Replaced by US 52 and US 67
US 59 215 346 US 59 near Shenandoah US 59 near Worthington, MN 01934-01-011934 current  
US 61 192.283 309.449 US 61 / US 136 at Keokuk US 61 / US 151 at Dubuque 01926-07-011926 current  
US 63 236 380 US 63 near Lancaster, Mo. US 63 near Chester 01926-07-011926 current  
US 65 221.931 357.163 US 65 at Lineville US 65 near Gordonsville, Minn. 01926-07-011926 current  
US 67 55.367 89.105 US 67 at Davenport US 52 / Iowa 64 near Sabula 01934-01-011934 current  
US 69 228 367 US 69 near Lamoni US 69 at Emmons, Minn. 01926-07-011926 current  
US 71 232.564 374.275 US 71 at Braddyville US 71 near Spirit Lake 01926-07-011926 current  
US 75 79.994 128.738 I-129 / US-20 / US-75 at South Sioux City, Neb. US 75 near Rock Rapids 01926-07-011926 current  
US 77 0.315 0.507 US 77 / US 20 Bus. at South Sioux City, Neb. I-29 / US 20 Bus. in Sioux City 01929-01-011929 current  
US 136 3.690 5.938 US 61 / US 136 at Keokuk US 136 at Keokuk 01951-01-011951 current  
US 151 107.661 173.264 I-80 near the Amana Colonies US 61 / US 151 at Dubuque 01938-01-011938 current  
US 161 185 298 US 61 in Keokuk US 61 in Key West 01926-07-011926 01938-01-011938 Replaced by US 218 and US 151
US 163 60 97 US 65 / US 69 in Des Moines US 63 in Oskaloosa 01934-01-011934 01937-01-011937 Replaced by Iowa 163
US 169 234.876 377.996 US 169 near Redding US 169 near Lakota 01930-01-011930 current  
US 218 274.995 442.562 US 61 / US 136 in Keokuk US 218 near St. Ansgar 01926-07-011926 current  
US 275 59.391 95.581 US 275 near Hamburg US-275 / N-92 at Council Bluffs 01932-01-011932 current  

Special routes[edit]

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
City US 6 10.2[2] 16.4 US 6 in Des Moines US 6 / US 65 in Des Moines 01934-01-011934 01968-01-011968 Former routing of US 6

US 18 Business
10.752 17.304 I-35 / US 18 / Iowa 122 in Clear Lake US 18 / US 65 in Mason City 01998-01-011998 current Serves the Mason City area

US 18 Business
4.149 6.677 US 18 / Iowa 76 near McGregor US 18 / Iowa 76 in Marquette 01989-01-011989 current Serves McGregor and Marquette; former routing of US 18

US 20 Business
US 77 / US 20 Bus. at South Sioux City, Neb. US 20 / US 75 at Sioux City 01979-01-011979 current Serves Sioux City area; former routing of US 20

US 20 Business
US 20 west of Fort Dodge US 20 east of Fort Dodge 01996-01-011996 current Serves Fort Dodge; former routing of US 20

US 30 Alternate
US 30 Alt. at Omaha, Neb. US 30 in Missouri Valley 01939-01-011939 01969-01-011969 Former routing of US 30

US 30 Alternate
US 30 / US 169 in Ogden US 30 near Marshalltown 01973-01-011973 01981-01-011981 Former routing of US 30; became Iowa 930

US 30 Alternate
US 30 / US 67 in Clinton US 30 Alt. at Fulton, Ill. 01956-01-011956 01967-01-011967 Former routing of US 30

US 30 Business
US 30 southwest of Marshalltown US 30 in southeastern Marshalltown 01996-01-011996 current Serves Marshalltown; former routing of US 30

US 30 Business
US 30 west of Toledo US 30 east of Tama 02011-01-012011 current Serves Tama and Toledo; former routing of US 30

US 34 Business
I-29 / US 34 near Pacific Junction US 34 / US 275 in Glenwood 01974-01-011974 02003-01-012003 Former routing of US 34

US 34 Business
US 34 west of Chariton US 34 east of Chariton 01996-01-011996 current Serves Chariton; former routing of US 34

US 34 Business
US 34 in southwestern Ottumwa US 34 / US 63 in eastern Ottumwa 01968-01-011968 current Serves Ottumwa

US 34 Business
US 34 / Iowa 163 west of Fairfield US 34 / Iowa 163 east of Fairfield 02008-01-012008 current Serves Fairfield; former routing of US 34

US 34 Business
US 34 / Iowa 163 near Westwood US 34 / US 218 / Iowa 27 / Iowa 163 at Mount Pleasant 02005-01-012005 current Serves Mount Pleasant area; former routing of US 34

US 52 Alternate
US 52 / US 61 / US 151 in Dubuque US 52 / Iowa 3 in Luxemburg 01964-01-011964 01967-01-011967 Original routing of US 52; mainline US 52 traffic diverted to allow for repairs on the alternate route

US 61 Business
US 61 / US 136 in southwestern Keokuk US 61 / US 218 in northwestern Keokuk 01959-01-011959 current Serves Keokuk; former routing of US 61

US 61 Business
3.613 5.815 US 61 / Iowa 2 west of Fort Madison US 61 northeast of Fort Madison 02011-01-012011 current Serves Fort Madison; former routing of US 61

US 61 Business
US 61 / Iowa 92 in southwestern Muscatine US 61 / Iowa 22 / Iowa 38 / Iowa 92 in northeastern Muscatine 01984-01-011984 current Serves Muscatine; former routing of US 61

US 61 Business
10.750 17.300 I-280 / US 61 west of Davenport I-80 / US 61 in northern Davenport 02010-01-012010 current Serves Davenport; former routing of US 61

US 61 Business
US 61 in southern Maquoketa US 61 / Iowa 64 in western Maquoketa 01998-01-011998 current Serves Maquoketa; unsigned

US 63 Business
US 34 / US 63 in southeastern Ottumwa US 34 / Iowa 149 / Iowa 163 north of Ottumwa 02007-01-012007 current Serves Ottumwa; former routing of US 63

US 63 Business
US 18 / US 63 south of New Hampton US 63 north of New Hampton 02002-01-012002 current Serves New Hampton; former routing of US 63

US 71 Business
US 71 / Iowa 2 south of Clarinda US 71 east of Clarinda 01973-01-011973 current Serves Clarinda; former routing of US 71

US 71 Business
US 71 / Iowa 7 at Storm Lake US 71 near Truesdale 01996-01-011996 current Serves Storm Lake; former routing of US 71

US 75 Business
10.334 16.631 I-29 / US 20 / US 75 south of Sioux City US 75 north of Sioux City 02001-01-012001 current Serves Sioux City; former routing of US 75

US 75 Business
3.082 4.960 US 75 west of Le Mars US 75 / Iowa 60 north of Le Mars 02001-01-012001 current Serves Le Mars; partial former routing of US 75

US 151 Business
12.7 20.4 US 30 / US 151 / US 218 near Fairfax US 151 / Iowa 13 in Marion 01989-01-011989 current Serves Cedar Rapids and Marion; former routing of US 151

US 151 Business
US 151 south of Monticello US 151 north of Monticello 02004-01-012004 current Serves Monticello; former routing of US 151

US 151 Business
US 151 west of Cascade US 151 north of Cascade 02004-01-012004 current Serves Cascade; former routing of US 151

US 169 Business
3.147 5.065 US 169 / US 20 Business in Fort Dodge US 169 in Fort Dodge 01990-01-011990 current Serves Fort Dodge; former routing of US 169

US 218 Business
12.7 20.4 US 34 / US 218 / Iowa 27 / Iowa 163 east of Mount Pleasant US 218 / Iowa 27 north of Mount Pleasant 02003-01-012003 current Serves Mount Pleasant; partial former routing of US 218

US 218 Business
US 218 south of Waverly US 218 north of Waverly 01998-12-011998 current Serves Waverly; former routing of US 218

US 218 Business
US 18 / US 218 south of Charles City US 18 / US 218 north of Charles City 02000-01-012000 current Serves Charles City; former routing of US 218

References[edit]

  1. ^ Bureau of Public Roads & American Association of State Highway Officials (November 11, 1926). United States System of Highways Adopted for Uniform Marking by the American Association of State Highway Officials (Map). 1:7,000,000. Washington, DC: U.S. Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via University of North Texas Libraries. 
  2. ^ Google (August 16, 2014). "Routing of City US 6 in Des Moines" (Map). Google Maps. Google. Retrieved August 16, 2014. 

External links[edit]

The Iowa Highways Page by Jason Hancock