Montana Department of Transportation

Malcolm “Mack” Long, Director


View the Governor’s Coronavirus Task Force site for more information.

Main Content

Motor Carrier Services

Navigation - Condensed


I-15 Emergency Detour: There will be an emergency detour on north bound I-15 MM 364 near Shelby. detour details

Diesel Fuel Users: Please be advised that the National and State Covid-19 Emergency Declaration does not include the ability to use non-taxed diesel fuel (dyed diesel) in motor vehicles traveling on public roads and highways. Using dyed diesel on Montana roadways could be result in a penalty not to exceed $1,000.00 for a first offense and $5,000.00 for a second offense.

USDOT Number updates: needed for Intrastate and Interstate carriers, this is a free service that is done by FMCSA and MCS/MDT. You will not receive calls from either entity requesting money to update this for you. If you receive a call from someone offering to do this for you for compensation, this is a scammer. To update your information, please see our FMCSA Page

Bridge Structure Management System (SMS) will soon transition to a new end user platform. Anticipated go live date is November 15, 2021. Users will need an Okta single sign on account to use the new system. Data on the old system will be available for viewing for a short time, but data will not be updated. Contact the Bridge Management Engineer at 406-444-9219 with any immediate concerns.

MCS Content


04/20/2021 Entry-Level Driver Training for Commercial Driver’s License

03/30/2021 Executive Order

02/12/2021 Directive

01/13/2021 Executive Order

01/11/2021 - MT Permitting Program Update with Single Trip Permits and Routing

07-30-2020 - Electronic Logging Devices (ELD)

  • Visit the link above to view information regarding Electronic Logging Devices and Frequently Asked Questions
  • FMCSA ELD Question and Answer Sessions. More information can be found on FMCSA's ELD website.

07-30-2020 - Administrative Rules of Montana (ARM)

04-02-2020 - Voluntary Inspection Program

More information can be found on the Voluntary Inspection Program.

11-05-2019 - Montana Winter Weight Permit

09-20-2019 - Heavy Vehicle Highway Use Tax (HVUT) / Form 2290

03-29-2019 - Canadian Revenue Agency Notice of Fuel Charge and Registration Requirements

What The New Canadian Fuel Charge Means For Interjurisdictional Road Carriers

Making sure there is a price on carbon pollution is an important part of the Government of Canada’s climate action plan. Under this plan, a new fuel charge was introduced as part of the Greenhouse Gas Pollution Pricing Act (the Act) which will be administered by the Canada Revenue Agency (CRA).

05-17-18 - MCS is Hiring!

Begin your career as an MCS Officer...

02-14-2018 - Montana Title and Registration Process

The MT Department of Justice (DOJ) is recommending that carriers interested in IRP, go through the IRP registration process with MDT before completing title work through DOJ. This will help to eliminate duplicated registrations. The DOJ asks that the carrier shows proof of registration (Temporary Authority and/or a Cab Card from IRP) to process title work.

09-23-15 - FMCSA Changes that will impact all carriers with a USDOT Number

Please visit the following link to learn more regarding the changes:

10-29-12 - New Medical Certification Requirements for Montana Commercial Driver License Holders

09-27-12 - Oversized Load Transports