Tri-County Regional Planning Commission
Tri-County leads innovative public planning for transportation, community development, and the environment to foster prosperity in Clinton, Eaton, and Ingham counties.
07/02/2026
Tri-County offices will be closed Friday, July 3, in observance of Independence Day. Normal business operations will resume Monday, July 6.
06/17/2026
🚧 The Michigan Department of Transportation will close M-78 at Sand Road in Bellevue for reconstruction, starting tomorrow, Thursday, June 18, at 7 a.m., and continuing through Saturday, June 20, at 7 p.m. 🚧
Westbound traffic will be detoured via northbound I-69, westbound M-79, and southbound M-66. Eastbound traffic will be detoured via northbound M-66, eastbound M-79, and southbound I-69.
06/15/2026
🚧 The Michigan Department of Transportation will begin a resurfacing project on M-100 from Doane Highway to Strange Highway in Potterville today, Monday, June 15, and continue through Monday, June 29. 🚧
This project will require single-lane closures using flagging operations. Motorists should expect delays.
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Address
3135 Pinetree Road Ste 2C
Lansing, MI
48911
Opening Hours
| Monday | 8am - 4:30pm |
| Tuesday | 8am - 4:30pm |
| Wednesday | 8am - 4:30pm |
| Thursday | 8am - 4:30pm |
| Friday | 8am - 4:30pm |