Michigan State Route 40 is the main north-south highway in Eastern Cass County. This runs from the Cass/Van Buren County Line to U.S. Rt. 12, near Mottville. MI St Rt 40 passes through the following towns in Cass County. Marcellus
Jones
MI St Rt 40 is not multi-plexed in Cass County. MI St Rt 40 intersects the following highways in Cass County. Michigan State Route 216, at Marcellus.
SB MI St Rt 40 at U.S. Rt. 12. NB MI St Rt 40 north of U.S. Rt. 12. The southern end of MI St Rt 40. The southern end marker. A junction marker on WB U.S. Rt. 12. A guide marker on WB U.S. Rt. 12. A junction marker on EB MI St Rt 60. A junction marker on WB MI St Rt 216. NB MI St Rt 40 in Marcellus. NB MI St Rt 40 north of Marcellus.
