SD Highway 20 in Madison Township, Grant County, South Dakota

SD Highway 20 in Grant County is a two-lane, asphalted secondary road. It runs in an east-west direction and crosses 468th Avenue, 469th Avenue, North Main Street, 471st Avenue, 472nd Avenue, 473rd Avenue, 474th Avenue, 475th Avenue, 476th Avenue and 477th Avenue and ends at SD Highway 15, while the other end is a cul-de-sac. It connects Stockholm Township and Madison Township. This street is part of the highway "20".