400th Avenue in Shelby Township, South Dakota

400th Avenue in Brown County is a gravel unclassified road. It runs in a north-south direction and crosses 113th Street, 114th Street, 115th Street, 116th Street and 117th Street. It ends in a cul-de-sac. 400th Avenue also exists in Garden Prairie Township, Henry Township, Putney Township, Cambria Township and Columbia Township.