31st Street Southeast in Harmony Township, North Dakota

31st Street Southeast in Cass County is a single-lane, unpaved track. It runs in an east-west direction and crosses 141st Avenue Southeast, 142nd Avenue Southeast, 143rd Avenue Southeast, 144th Avenue Southeast, 145th Avenue Southeast, 146th Avenue Southeast, 147th Avenue Southeast, 148th Avenue Southeast, 149th Avenue Southeast, 150th Avenue Southeast, 157th Avenue Southeast and 158th Avenue Southeast. It ends in a cul-de-sac and connects Harmony Township, Buffalo Township and Wheatland Township. This street is part of the highway "22". 31st Street Southeast also exists in Tower Township and Raymond Township.