Montana Department of Transportation

Address: 2701 Prospect Avenue, PO Box 201001
Helena, MT 59620-1001
Phone: (406) 444-6201 Fax: (406) 4447671 Website:

MDT's mission is to serve the public by providing a transportation system and services that emphasize quality, safety, cost effectiveness, economic vitality and sensitivity to the environment. The Department of Transportation is primarily responsible for the following duties: Planning and Design; Contract Administration; Materials design and testing; Property acquisition; Fiscal programming and cost accounting; Motor Fuel Collection and Enforcement; Enforcement of vehicle weight and dimension laws and the Outdoor Advertising Control Act; Management of the state motor pool; Highway, bridge and rest area maintenance; Public Transportation and Rail Programs and Planning; General aviation airport planning; and Highway Traffic Safety.


TTY: 800-335-7592

Was Your Child's CP Preventable?