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.