Planning to visit Helena Headquarters? Please bring your photo id to the reception desk. We're located at 2701 Prospect Avenue.
Office hours: 8am-5pm, Monday-Friday, except state holidays.
If you need a commercial motor carrier permit:
If you are calling about hazards or fraud:
- Reporting Highway Hazards
- Reporting Fuel Tax Evasion: Toll-free 1-888-FUEL-LAW
Montana Department of Transportation
PO Box 201001
Helena MT 59620-1001