Trucking in Montana

Montana is long, high, and cold — I-90 and I-15 dominate freight.

Major interstates

I-15, I-90, and I-94.

Permits

Federal 80,000 lb; MDT OSOW online.

Weather

Chain law on Lookout, Bozeman, and Homestake Passes in winter.

Weigh stations

MDT ports of entry at Haugan (I-90 west) and Broadview (I-15).

Freight hubs

Billings, Missoula, Great Falls. Sweetgrass and Roosville busiest US-Canada crossings.

Frequently asked

Chains?

Any time MDT posts — Nov-Mar.

Sweetgrass 24hr?

Yes — commercial lanes 24/7.

Fuel Billings to Missoula?

Bozeman, Butte, Missoula.