I-90 Mossmain Interchange Construction: On I-90 in Billings from Milepost 437 to Milepost 446.5, there will be a 12 Foot width restriction starting on April 17, 2023, and is scheduled to go until approximately November 2023. There will be no marshalling / escorting through the project and any load exceeding 12 feet wide will need to find an alternate route. This restriction will be in place 24/7. Please contact Motor Carrier Services at 406-444-7262 with any questions or visit https://www.mdt.mt.gov/travinfo/ for more information regarding the restriction.
FMCSA TIN/EIN Changes: At this time, please direct these inquiries to the FMCSA Customer Insurance and Registration Information Support (CIRIS) Contact Center at 1-800-832-5660 or on-line at https://ask.fmcsa.dot.gov/. Requests to make changes must also include a signed and dated MCS-150 from the carrier.
Executive Orders from the Office of the Governor: https://governor.mt.gov/executive-orders
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. Please be advised to fully vet and use due diligence when using third-party services. For further information, please visit the FMCSA Page. For further questions, contact our MCSAP Section at 406-444-3300.
Welcome Commercial Motor Carriers
We appreciate the significant role our commercial motor carriers play in helping to make Montana roadways safe for all travelers while preserving taxpayer investment in Montana’s highway system. You do this every time you adhere to state and federal commercial motor carrier laws, rules, and regulations.
On this site you’ll find the information you need to keep abreast of the latest news, laws, and regulations. You’ll also find convenient services such as online permitting, road conditions, and more. If there’s something you can’t find, please let us know.
— Motor Carrier Services, MDT
Need a DOT number?
FMCSA has set up a new phone line for support with the FMCSA Portal to better assist motor carriers.
FMCSA Portal Registration Call Center
Monday thru Friday, 8:00 am to 8:00 pm, EDT.
Questions about the Drug and Alcohol Clearinghouse can call or use the contact link.
FMCSA Drug and Alcohol Clearinghouse Help Line
844-955-0207 | Website
MCS Hiring Information
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