State Highway 21 in Morton County, North Dakota

State Highway 21 in Morton County is a two-lane, asphalted secondary road. It runs in an east-west direction and crosses 38th Avenue, 37th Avenue, 36th Avenue, 35th Avenue, County Road 83, 30th Avenue, 31st Avenue, 29th Avenue, 29 Avenue, County Road 82 and 26th Avenue and ends at 24th Avenue, while the other end is a cul-de-sac. This street is part of the highway "21". State Highway 21 also exists in Slope County, Grant County and Hettinger County.