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Iowa Highway 175: Map


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Iowa Highway 175 is a main east-west route in the northern portion of the state. The highway has a length of . Iowa Highway 175 enters the state by a Missouri Rivermarker crossing between Decatur, Nebraskamarker and Onawa. The highway continues westward as Nebraska Highway 51. Iowa 175's eastern terminus is at a T intersection with U.S. Route 63 in southwestern Black Hawk Countymarker.

Route description

Iowa Highway 175 begins at the east end of the Burt County Missouri River Bridge west of Onawamarker. At Onawa, it intersects Interstate 29. At Turinmarker, it meets Iowa Highway 37 and turns northeast to follow an alignment which lies next to the Maple River. It continues through Castanamarker and meets Iowa Highway 141 in Mapletonmarker. It continues northeast from Mapleton through Danburymarker and Battle Creekmarker and meets U.S. Highway 59 west of Ida Grovemarker. After passing through Ida Grove together with U.S. 59, they separate east of Ida Grove. Iowa 175 passes east through Arthurmarker and at Odeboltmarker, meets Iowa Highway 39. Further east, Iowa 175 meets U.S. Highway 71. Iowa 175 and U.S. 71 run east, then south, then east again concurrently through Lake Viewmarker and Ulmer before separating at Auburnmarker.

Iowa 175 leaves Auburn going east, then passes through Lake Citymarker. After Lake City, Iowa 175 meets Iowa Highway 4. The two highways run concurrently through Lohrvillemarker before separating. Iowa 175 then passes through Farnhamvillemarker and Gowriemarker and intersects Iowa Highway 144 before intersecting U.S. Highway 169 at Harcourtmarker. They continue east together before separating before Daytonmarker. After passing through Stratfordmarker, Iowa 175 meets Iowa Highway 17 at Stanhopemarker. It leaves Stanhope going east and meets U.S. Highway 69 south of Jewellmarker. They run together going north into Jewell before Iowa 175 turns east. After passing through Ellsworthmarker, Iowa 175 intersects Interstate 35.

Iowa Highway 175 then continues east of I-35 by passing through Radcliffemarker before meeting U.S. Highway 65 in Hubbardmarker. Iowa 175 and U.S. 65 then go north, then east, together before separating. Iowa 175 then goes east through Eldoramarker and meets Iowa Highway 14 west of Grundy Centermarker. Iowa 175 continues east with Iowa 14 before separating in Grundy Center. It turns slightly southeasterly while passing through Morrisonmarker and Reinbeckmarker, then turns east and ends at U.S. Highway 63 south of Hudsonmarker.


Iowa Highway 175 was originally nothing more than a very short spur from U.S. Route 65 to Hubbard but grew to absorb other routes. By 1955 it had extended westward to Nebraska. The final segment of Highway 175 was commissioned in 1969, extending the highway eastward from Hubbard to its present eastern terminus.


  • At Mapleton, Iowa 175 overlaps Iowa Highway 141 through town. This is a wrong-way concurrency, with eastbound Iowa 175 and westbound Iowa 141 routed on one side of the road, and vice versa.
  • Despite Iowa 175's prodigious length, it passes through small communities. The largest city on the route is Onawa, whose 2000 population was 3,091.

External links


  1. The Iowa Highways Page: Highway 175. Accessed 25 October 2006.
  2. 2003 Transportation Map, Iowa Department of Transportation.

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