List of U.S. Highways in Iowa

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

Number Length (mi) Length (km) Southern or western terminus Northern or eastern terminus Formed Removed Notes
US 6 319.597514.342 I-480 / US-6 at Omaha, Neb.I-74 / US 6 at Moline, Ill. 1931current  
US 18 311.459501.245 US 18 near Canton, S.D.US 18 / WIS 60 at McGregor 1926current  
US 20 301.429485.103 I-129 / US-20 / US-75 at South Sioux City, Neb.US 20 at East Dubuque, Ill. 1926current  
US 30 330.266531.512 US-30 at Blair, Neb.US 30 at Fulton, Ill. 1926current  
US 32 322518 US 30 / US 75 in Council BluffsUS 32 at Davenport 19261931 Replaced by US 6
US 34 271.786437.397 US-34 near Plattsmouth, Neb.US 34 at Gulfport, Ill. 1926current  
US 52 166.409267.809 US 52 / IL 64 at Savanna, Ill.US 52 near Burr Oak 1935current  
US 55 225362 US 61 in DavenportUS 55 near Burr Oak 19261935 Replaced by US 52 and US 67
US 59 215346 US 59 near ShenandoahUS 59 near Worthington, MN 1934current  
US 61 192.283309.449 US 61 / US 136 at KeokukUS 61 / US 151 at Dubuque 1926current  
US 63 236380 US 63 near Lancaster, Mo.US 63 near Chester 1926current  
US 65 221.931357.163 US 65 at LinevilleUS 65 near Gordonsville, Minn. 1926current  
US 67 55.36789.105 US 67 at DavenportUS 52 / Iowa 64 near Sabula 1934current  
US 69 228367 US 69 near LamoniUS 69 at Emmons, Minn. 1926current  
US 71 232.564374.275 US 71 at BraddyvilleUS 71 near Spirit Lake 1926current  
US 75 79.994128.738 I-129 / US-20 / US-75 at South Sioux City, Neb.US 75 near Rock Rapids 1926current  
US 77 0.3150.507 US 77 / US 20 Bus. at South Sioux City, Neb.I-29 / US 20 Bus. in Sioux City 1929current  
US 136 3.6905.938 US 61 / US 136 at KeokukUS 136 at Keokuk 1951current  
US 151 107.661173.264 I-80 near the Amana ColoniesUS 61 / US 151 at Dubuque 1938current  
US 161 185298 US 61 in KeokukUS 61 in Key West 19261938 Replaced by US 218 and US 151
US 163 6097 US 65 / US 69 in Des MoinesUS 63 in Oskaloosa 19341937 Replaced by Iowa 163
US 169 234.876377.996 US 169 near ReddingUS 169 near Lakota 1930current  
US 218 274.995442.562 US 61 / US 136 in KeokukUS 218 near St. Ansgar 1926current  
US 275 59.39195.581 US 275 near HamburgUS-275 / N-92 at Council Bluffs 1932current  

Special routes

This list is incomplete; you can help by expanding it.
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 MoinesUS 6 / US 65 in Des Moines 19341968 Former routing of US 6

US 18 Business		 10.75217.304 I-35 / US 18 / Iowa 122 in Clear LakeUS 18 / US 65 in Mason City 1998current Serves the Mason City area

US 18 Business		 4.1496.677 US 18 / Iowa 76 near McGregorUS 18 / Iowa 76 in Marquette 1989current 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 1979current Serves Sioux City area; former routing of US 20

US 20 Business		 —— US 20 west of Fort DodgeUS 20 east of Fort Dodge 1996current Serves Fort Dodge; former routing of US 20

US 30 Alternate		 —— US 30 Alt. at Omaha, Neb.US 30 in Missouri Valley 19391969 Former routing of US 30

US 30 Alternate		 —— US 30 / US 169 in OgdenUS 30 near Marshalltown 19731981 Former routing of US 30; became Iowa 930

US 30 Alternate		 —— US 30 / US 67 in ClintonUS 30 Alt. at Fulton, Ill. 19561967 Former routing of US 30

US 30 Business		 —— US 30 southwest of MarshalltownUS 30 in southeastern Marshalltown 1996current Serves Marshalltown; former routing of US 30

US 30 Business		 —— US 30 west of ToledoUS 30 east of Tama 2011current Serves Tama and Toledo; former routing of US 30

US 34 Business		 —— I-29 / US 34 near Pacific JunctionUS 34 / US 275 in Glenwood 19742003 Former routing of US 34

US 34 Business		 —— US 34 west of CharitonUS 34 east of Chariton 1996current Serves Chariton; former routing of US 34

US 34 Business		 —— US 34 in southwestern OttumwaUS 34 / US 63 in eastern Ottumwa 1968current Serves Ottumwa

US 34 Business		 —— US 34 / Iowa 163 west of FairfieldUS 34 / Iowa 163 east of Fairfield 2008current Serves Fairfield; former routing of US 34

US 34 Business		 —— US 34 / Iowa 163 near WestwoodUS 34 / US 218 / Iowa 27 / Iowa 163 at Mount Pleasant 2005current Serves Mount Pleasant area; former routing of US 34

US 52 Alternate		 —— US 52 / US 61 / US 151 in DubuqueUS 52 / Iowa 3 in Luxemburg 19641967 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 KeokukUS 61 / US 218 in northwestern Keokuk 1959current Serves Keokuk; former routing of US 61

US 61 Business		 3.6135.815 US 61 / Iowa 2 west of Fort MadisonUS 61 northeast of Fort Madison 2011current Serves Fort Madison; former routing of US 61

US 61 Business		 —— US 61 / Iowa 92 in southwestern MuscatineUS 61 / Iowa 22 / Iowa 38 / Iowa 92 in northeastern Muscatine 1984current Serves Muscatine; former routing of US 61

US 61 Business		 10.75017.300 I-280 / US 61 west of DavenportI-80 / US 61 in northern Davenport 2010current Serves Davenport; former routing of US 61

US 61 Business		 —— US 61 in southern MaquoketaUS 61 / Iowa 64 in western Maquoketa 1998current Serves Maquoketa; unsigned

US 63 Business		 —— US 34 / US 63 in southeastern OttumwaUS 34 / Iowa 149 / Iowa 163 north of Ottumwa 2007current Serves Ottumwa; former routing of US 63

US 63 Business		 —— US 18 / US 63 south of New HamptonUS 63 north of New Hampton 2002current Serves New Hampton; former routing of US 63

US 71 Business		 —— US 71 / Iowa 2 south of ClarindaUS 71 east of Clarinda 1973current Serves Clarinda; former routing of US 71

US 71 Business		 —— US 71 / Iowa 7 at Storm LakeUS 71 near Truesdale 1996current Serves Storm Lake; former routing of US 71

US 75 Business		 10.33416.631 I-29 / US 20 / US 75 south of Sioux CityUS 75 north of Sioux City 2001current Serves Sioux City; former routing of US 75

US 75 Business		 3.0824.960 US 75 west of Le MarsUS 75 / Iowa 60 north of Le Mars 2001current Serves Le Mars; partial former routing of US 75

US 151 Business		 12.720.4 US 30 / US 151 / US 218 near FairfaxUS 151 / Iowa 13 in Marion 1989current Serves Cedar Rapids and Marion; former routing of US 151

US 151 Business		 —— US 151 south of MonticelloUS 151 north of Monticello 2004current Serves Monticello; former routing of US 151

US 151 Business		 —— US 151 west of CascadeUS 151 north of Cascade 2004current Serves Cascade; former routing of US 151

US 169 Business		 3.1475.065 US 169 / US 20 Business in Fort DodgeUS 169 in Fort Dodge 1990current Serves Fort Dodge; former routing of US 169

US 218 Business		 12.720.4 US 34 / US 218 / Iowa 27 / Iowa 163 east of Mount PleasantUS 218 / Iowa 27 north of Mount Pleasant 2003current Serves Mount Pleasant; partial former routing of US 218

US 218 Business		 —— US 218 south of WaverlyUS 218 north of Waverly 1998current Serves Waverly; former routing of US 218

US 218 Business		 —— US 18 / US 218 south of Charles CityUS 18 / US 218 north of Charles City 2000current Serves Charles City; former routing of US 218

References

  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.

The Iowa Highways Page by Jason Hancock

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