Iowa Highway 51

Iowa Highway 51 marker
Iowa Highway 51
Map
Iowa 51 highlighted in red
Route information
Maintained by Iowa DOT
Length10.909 mi[1] (17.556 km)
Major junctions
South end US 18 / US 52 in Postville
North end Iowa 9 near Waukon
Location
CountryUnited States
StateIowa
CountiesAllamakee
Highway system
Iowa 48 US 52

Iowa Highway 51 (Iowa 51) is a state highway that runs from north to south in northeast Iowa. Contained entirely by Allamakee County, it is only 11 miles (18 km) in length. It begins at U.S. Highway 18 (US 18) and US 52 in Postville and ends at Iowa 9 near Waukon.

  1. ^ 2014 Volume of Traffic on the Primary Road System of Iowa (PDF) (Report). Iowa Department of Transportation. January 1, 2014. Retrieved October 17, 2015.