Roads of the Mid-South & West > Highways of the State of Michigan > Michigan State Route 99
 | Michigan State Route 99 |
Michigan State Route 99 is a north-south highway in South-Central Michigan. It runs from the Ohio/Michigan State Line, near Pioneer, Indiana, to Lansing. Info on MI St Rt 99 is broken down by county below.
Hillsdale County Calhoun County Jackson County
Ingham County
