20th Street Southeast in Gardner Township, North Dakota

20th Street Southeast in Cass County is a single-lane, unpaved unclassified road. It runs in an east-west direction and crosses 133rd Avenue Southeast, 134th Avenue Southeast, 135th Avenue Southeast, 136th Avenue Southeast, 137th Avenue Southeast, 139th Avenue Southeast, 140th Avenue Southeast, 141st Avenue Southeast, 142nd Avenue Southeast, 143rd Avenue Southeast, 144th Avenue Southeast and 145th Avenue Southeast. It ends in a cul-de-sac and connects Arthur Township, Erie Township, Gardner Township, Gunkel Township, Lake Township and Rich Township. 20th Street Southeast also exists in Wiser Township.