SD Highway 20 in Mellette Township, South Dakota

SD Highway 20 in Spink County is a secondary road. It runs in an east-west direction starting from 373rd Avenue and crosses 375th Avenue, 378th Avenue, 379th Avenue, 382nd Avenue, 383rd Avenue, 385th Avenue, US Highway 281, 387th Avenue, Sunshine Road, 388th Avenue and 389th Avenue. It connects Northville Township, La Prairie Township, Beotia Township, Mellette Township and Brentford. This street is part of the highway "20". SD Highway 20 also exists in Olean Township.