Iowa Highway 175 (Iowa 175) is a main east–west route in the northern portion of the state. The highway has a length of 221 miles (356 km). Iowa Highway 175 enters the state by a Missouri River crossing between Decatur, Nebraska and Onawa. The highway continues westward as Nebraska Highway 51. Iowa 175's eastern terminus is at a T intersection with U.S. Highway 63 (US 63) in southwestern Black Hawk County.
Despite Iowa 175's length, it only passes through small communities. The largest city on the route is Onawa, whose 2020 census population was 2,906.
^2009 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2009. Retrieved January 21, 2011.
IowaHighway175 (Iowa175) is a main east–west route in the northern portion of the state. The highway has a length of 221 miles (356 km). Iowa Highway...
On July 1, 2003, the Iowa Department of Transportation transferred control of more than 700 miles (1,100 km) of highway to county and local governments...
State highways in the U.S. state of Iowa are owned and maintained by the Iowa Department of Transportation. 2012 Volume of Traffic on the Primary Road...
the Iowa Department of Transportation and individual county boards of supervisors led to a mass transfer of jurisdiction of several state highways in Iowa...
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with IowaHighway175 on the eastern side of Odebolt. Iowa 39 begins on the west side of Denison, Iowa at an intersection with U.S. Highway 59 and Iowa Highway...
IowaHighway 37 (Iowa 37) is an east–west road in the west-central part of the state. Iowa 37 begins just east of Turin at IowaHighway175. It ends four...
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IowaHighway 58 (Iowa 58) is a state highway that runs from north to south in northeast Iowa. A five-and-a-half-mile (8.9 km) portion of the highway is...
Global Information
N-51 west of Onawa
US 63 near Voorhies
