US Highway 81 in Farmington Township, South Dakota

US Highway 81 in Lake County is a two-lane, asphalted main road (Road number US 81). It runs in a north-south direction starting from 220th Street and crosses 221st Street, 222nd Street, 223rd Street, 225th Street, County Highway 20, 226th Street, 227th Street, 228th Street, 229th Street, County Highway 30 and 231st Street. It ends in a cul-de-sac and connects Badus Township, Farmington Township and Herman Township. This street is part of the highway "81".