Michigan State Route 99 runs north-south in Northwestern Ingham County. This runs from the Eaton/Ingham County Line to Downtown Lansing, near the Michigan State Capital. MI St Rt 99 passes through the following towns in Ingham County. Lansing MI St Rt 99 is not multi-plexed in Ingham County. MI St Rt 99 intersects the following highways in Ingham County. Interstate 96, at Lansing. Interstate 496, at Lansing. Capital Loop, at Lansing.
