List of U.S. Highways in Iowa
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| United States Numbered Highways of the Iowa Primary Highway System | |
|---|---|
 .svg)  Highway markers from different years for former US 32 (1926), US 75 (1961) and current US 151 (1971) | |
U.S. Highways in Iowa highlighted in red | |
| 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)[2] | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 US 6
|
322.454 | 518.939 | I-480 / US 6 at Omaha, Neb. | I-74 / US 6 at Moline, Ill. | 1931 | current | ||
 US 18
|
311.750 | 501.713 | US 18 near Canton, S.D. | US 18 / WIS 60 at McGregor | 1926 | current | ||
 US 20
|
300.270 | 483.238 | I-129 / US 20 / US 75 at South Sioux City, Neb. | US 20 at East Dubuque, Ill. | 1926 | current | ||
 US 30
|
330.856 | 532.461 | US 30 at Blair, Neb. | US 30 at Fulton, Ill. | 1926 | current | ||
 US 32
|
322 | 518 | US 30 / US 75 in Council Bluffs | US 32 at Davenport | 1926 | 1931 | Replaced by US 6 | |
 US 34
|
269.111 | 433.092 | US 34 near Plattsmouth, Neb. | US 34 at Gulfport, Ill. | 1926 | current | ||
 US 52
|
173.722 | 279.578 | US 52 / IL 64 at Savanna, Ill. | US 52 near Burr Oak | 1935 | current | ||
 US 55
|
225 | 362 | US 61 in Davenport | US 55 near Burr Oak | 1926 | 1935 | Replaced by US 52 and US 67 | |
 US 59
|
215.191 | 346.316 | US 59 near Shenandoah | US 59 near Worthington, MN | 1934 | current | ||
 US 61
|
192.663 | 310.061 | US 61 / US 136 at Keokuk | US 61 / US 151 at Dubuque | 1926 | current | ||
 US 63
|
237.758 | 382.634 | US 63 near Lancaster, Mo. | US 63 near Chester | 1926 | current | ||
 US 65
|
221.618 | 356.660 | US 65 at Lineville | US 65 near Gordonsville, Minn. | 1926 | current | ||
 US 67
|
55.275 | 88.956 | US 67 at Davenport | US 52 / Iowa 64 near Sabula | 1934 | current | ||
 US 69
|
227.257 | 365.735 | US 69 near Lamoni | US 69 at Emmons, Minn. | 1926 | current | ||
 US 71
|
231.329 | 372.288 | US 71 at Braddyville | US 71 near Spirit Lake | 1926 | current | ||
 US 75
|
80.010 | 128.764 | I-129 / US 20 / US 75 at South Sioux City, Neb. | US 75 near Rock Rapids | 1926 | current | ||
 US 77
|
0.314 | 0.505 | US 77 / US 20 Bus. at South Sioux City, Neb. | I-29 / US 20 Bus. in Sioux City | 1929 | current | ||
 US 136
|
3.591 | 5.779 | US 61 / US 136 at Keokuk | US 136 at Keokuk | 1951 | current | ||
 US 151
|
108.151 | 174.052 | I-80 near the Amana Colonies | US 61 / US 151 at Dubuque | 1938 | current | ||
 US 161
|
185 | 298 | US 61 in Keokuk | US 61 in Key West | 1926 | 1938 | Replaced by US 218 and US 151 | |
 US 163
|
60 | 97 | US 65 / US 69 in Des Moines | US 63 in Oskaloosa | 1934 | 1937 | Replaced by Iowa 163 | |
 US 169
|
234.956 | 378.125 | US 169 near Redding | US 169 near Lakota | 1930 | current | ||
 US 218
|
274.592 | 441.913 | US 61 / US 136 in Keokuk | US 218 near St. Ansgar | 1926 | current | ||
 US 275
|
59.158 | 95.206 | US 275 near Hamburg | US 275 / N-92 at Council Bluffs | 1932 | current | ||
Special routes
 | This list is incomplete; you can help by adding missing items. |
| Number | Length (mi) | Length (km) | Southern or western terminus | Northern or eastern terminus | Formed | Removed | Notes | |
|---|---|---|---|---|---|---|---|---|
 City US 6
|
10.2[3] | 16.4 | US 6 in Des Moines | US 6 / US 65 in Des Moines | 1934 | 1968 | Former routing of US 6 | |
  US 18 Bus.
|
10.752 | 17.304 | I-35 / US 18 / Iowa 122 in Clear Lake | US 18 / US 65 in Mason City | 1998 | current | Serves the Mason City area | |
| US 18 Bus.
|
4.149 | 6.677 | US 18 / Iowa 76 near McGregor | US 18 / Iowa 76 in Marquette | 1989 | current | Serves McGregor and Marquette; former routing of US 18 | |
 US 20 Bus.
|
— | — | US 77 / US 20 Bus. at South Sioux City, Neb. | US 20 / US 75 at Sioux City | 1979 | current | Serves Sioux City area; former routing of US 20 | |
| US 20 Bus.
|
— | — | US 20 west of Fort Dodge | US 20 east of Fort Dodge | 1996 | current | Serves Fort Dodge; former routing of US 20 | |
  US 30 Alt.
|
— | — | US 30 Alt. at Omaha, Neb. | US 30 in Missouri Valley | 1939 | 1969 | Former routing of US 30 | |
| US 30 Alt.
|
— | — | US 30 / US 169 in Ogden | US 30 near Marshalltown | 1973 | 1981 | Former routing of US 30; became Iowa 930 | |
| US 30 Alt.
|
— | — | US 30 / US 67 in Clinton | US 30 Alt. at Fulton, Ill. | 1956 | 1967 | Former routing of US 30 | |
| US 30 Bus.
|
— | — | US 30 southwest of Marshalltown | US 30 in southeastern Marshalltown | 1996 | current | Serves Marshalltown; former routing of US 30 | |
| US 30 Bus.
|
— | — | US 30 west of Toledo | US 30 east of Tama | 2011 | current | Serves Tama and Toledo; former routing of US 30 | |
 US 34 Bus.
|
— | — | I-29 / US 34 near Pacific Junction | US 34 / US 275 in Glenwood | 1974 | 2003 | Former routing of US 34 | |
| US 34 Bus.
|
— | — | US 34 west of Chariton | US 34 east of Chariton | 1996 | current | Serves Chariton; former routing of US 34 | |
| US 34 Bus.
|
— | — | US 34 in southwestern Ottumwa | US 34 / US 63 in eastern Ottumwa | 1968 | current | Serves Ottumwa | |
| US 34 Bus.
|
— | — | US 34 / Iowa 163 west of Fairfield | US 34 / Iowa 163 east of Fairfield | 2008 | current | Serves Fairfield; former routing of US 34 | |
| US 34 Bus.
|
— | — | US 34 / Iowa 163 near Westwood | US 34 / US 218 / Iowa 27 / Iowa 163 at Mount Pleasant | 2005 | current | Serves Mount Pleasant area; former routing of US 34 | |
 US 52 Alt.
|
— | — | US 52 / US 61 / US 151 in Dubuque | US 52 / Iowa 3 in Luxemburg | 1964 | 1967 | Original routing of US 52; mainline US 52 traffic diverted to allow for repairs on the alternate route | |
 US 61 Bus.
|
5.931 | 9.545 | US 61 / US 136 in southwestern Keokuk | US 61 / US 218 in northwestern Keokuk | 1959 | current | Serves Keokuk; former routing of US 61 | |
| US 61 Bus.
|
9.075 | 14.605 | US 61 / Iowa 2 west of Fort Madison | US 61 northeast of Fort Madison | 2011 | current | Serves Fort Madison; former routing of US 61 | |
| US 61 Bus.
|
5.407 | 8.702 | US 61 / Iowa 92 in southwestern Muscatine | US 61 / Iowa 22 / Iowa 38 / Iowa 92 in northeastern Muscatine | 1984 | current | Serves Muscatine; former routing of US 61 | |
| US 61 Bus.
|
10.924 | 17.580 | I-280 / US 61 west of Davenport | I-80 / US 61 in northern Davenport | 2010 | current | Serves Davenport; former routing of US 61 | |
| US 61 Bus.
|
2.55 | 4.10 | US 61 in southern Maquoketa | US 61 / Iowa 64 in western Maquoketa | 1998 | current | Serves Maquoketa; unsigned | |
 US 63 Bus.
|
6.426 | 10.342 | US 34 / US 63 in southeastern Ottumwa | US 34 / Iowa 149 / Iowa 163 north of Ottumwa | 2007 | current | Serves Ottumwa; former routing of US 63 | |
| US 63 Bus.
|
— | — | US 18 / US 63 south of New Hampton | US 63 north of New Hampton | 2002 | current | Serves New Hampton; former routing of US 63 | |
 US 71 Bus.
|
— | — | US 71 / Iowa 2 south of Clarinda | US 71 east of Clarinda | 1973 | current | Serves Clarinda; former routing of US 71 | |
| US 71 Bus.
|
— | — | US 71 / Iowa 7 at Storm Lake | US 71 near Truesdale | 1996 | current | Serves Storm Lake; former routing of US 71 | |
 US 75 Bus.
|
10.334 | 16.631 | I-29 / US 20 / US 75 south of Sioux City | US 75 north of Sioux City | 2001 | current | Serves Sioux City; former routing of US 75 | |
| US 75 Bus.
|
3.082 | 4.960 | US 75 west of Le Mars | US 75 / Iowa 60 north of Le Mars | 2001 | current | Serves Le Mars; partial former routing of US 75 | |
  US 151 Bus.
|
12.7 | 20.4 | US 30 / US 151 / US 218 near Fairfax | US 151 / Iowa 13 in Marion | 1989 | current | Serves Cedar Rapids and Marion; former routing of US 151 | |
| US 151 Bus.
|
— | — | US 151 south of Monticello | US 151 north of Monticello | 2004 | current | Serves Monticello; former routing of US 151 | |
| US 151 Bus.
|
— | — | US 151 west of Cascade | US 151 north of Cascade | 2004 | current | Serves Cascade; former routing of US 151 | |
 US 169 Bus.
|
3.147 | 5.065 | US 169 / US 20 Business in Fort Dodge | US 169 in Fort Dodge | 1990 | current | Serves Fort Dodge; former routing of US 169 | |
 US 218 Bus.
|
12.7 | 20.4 | US 34 / US 218 / Iowa 27 / Iowa 163 east of Mount Pleasant | US 218 / Iowa 27 north of Mount Pleasant | 2003 | current | Serves Mount Pleasant; partial former routing of US 218 | |
| US 218 Bus.
|
— | — | US 218 south of Waverly | US 218 north of Waverly | 1998 | current | Serves Waverly; former routing of US 218 | |
| US 218 Bus.
|
— | — | US 18 / US 218 south of Charles City | US 18 / US 218 north of Charles City | 2000 | current | Serves Charles City; former routing of US 218 | |
References
- ^ 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: United States Geological Survey. OCLC 32889555. Retrieved November 7, 2013 – via Wikimedia Commons.
- ^ "Road Network (Portal)" (ESRI shapefile). Ames: Iowa Department of Transportation. April 9, 2021. Retrieved April 16, 2021.
- ^ Google (August 16, 2014). "Routing of City US 6 in Des Moines" (Map). Google Maps. Google. Retrieved August 16, 2014.
External links
- Hancock, Jason. "The Iowa Highways Page".