Roads of the Mid-South & West > Highways of the State of Michigan > Michigan State Route 66
  | Michigan State Route 66 | 
Michigan State Route 66 is a north-south highway in Central Michigan.  This runs from the Michigan/Indiana State Line, near Sturgis, to Charlevoix.  Info on MI St Rt 66 is broken down by county below.

Branch County  Calhoun County  Barry County
Ionia County  Montcalm County  Mecosta County
Osceola County  Missaukee County  Kalkaska County
Antrim County  Charlevoix County