Michigan State Route 66 is a north-south highway in Eastern Mecosta County. It runs from the Mecosta/Montcalm County Line, near Six Lakes, to the Mecosta/Osceola County Line, near Barryton. MI St Rt 66 passes through the following towns in Mecosta County. Remus
Barryton MI St Rt 66 is not multi-plexed in Mecosta County. MI St Rt 66 intersects the following highway in Mecosta County. Michigan State Route 20, at Remus.
