Montana Department of Transportation

Organization

Contacts

In Person

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.

By Phone

If you need a commercial motor carrier permit:

If you are calling about hazards or fraud:

By Mail

Montana Department of Transportation
PO Box 201001
Helena MT 59620-1001

Online