Montana Department of Transportation

Montana Department of Transportation The official page of the Montana Department of Transportation. For any roadway emergencies, please dial 911.*

MDT’s mission is to plan, build, operate, and maintain a safe and resilient transportation infrastructure to move Montana forward. To accomplish this mission, MDT will set the gold standard for a highly effective, innovative, and people-centric department of transportation.

*This page is not monitored 24/7.

Chilly fall temperatures are settling in, so here’s an important car seat safety reminder: bulky coats can prevent a har...
09/14/2026

Chilly fall temperatures are settling in, so here’s an important car seat safety reminder: bulky coats can prevent a harness from fitting snugly. Dress your child in layers and put a coat on over the properly-fitted harness for added warmth.

SnowMater and his MDT Maintenance crew visited the Big Sky Farmers Market recently! They visited with folks about mainte...
09/13/2026

SnowMater and his MDT Maintenance crew visited the Big Sky Farmers Market recently! They visited with folks about maintenance projects in the area and safety around snow plows.

It's never too early to get your Emergency Travel Kit prepped!
09/12/2026

It's never too early to get your Emergency Travel Kit prepped!

The weather folks are calling for potential winter weather in the higher elevations this weekend - now's a good time to ...
09/11/2026

The weather folks are calling for potential winter weather in the higher elevations this weekend - now's a good time to get ready for that first four-letter "s" word of the season!

❄️ Check your car: Are all four tires in good condition? Check wipers, fluids, batteries, etc.
❄️ Make sure your winter emergency travel kit is stocked and ready to go
❄️ Plan extra time to get to your destination
❄️ Check MDT 511 before you travel: 511mt.net
❄️ Wear your seat belt and drive sober!

⚠️Helena and Wolf Creek – MDT and Jeffery Contracting Inc. will close the I-15 Spring Creek Interchange (Exit 219) from ...
09/11/2026

⚠️Helena and Wolf Creek – MDT and Jeffery Contracting Inc. will close the I-15 Spring Creek Interchange (Exit 219) from Monday, September 14, to Wednesday, September 16, weather and other unforeseen factors permitting. During this closure crews will improve drainage near the interchange. MDT recommends traffic use Exit 226 in Wolf Creek to access Recreation Road during this closure.
For more information about this project, visit: mdt.mt.gov/pubinvolve/i15sieben

Lewis & Clark County Sheriff's Office
Lewis and Clark County Government

Today, we remember the lives lost, honor the heroes who answered the call, and reflect on the strength found in unity. 🇺...
09/11/2026

Today, we remember the lives lost, honor the heroes who answered the call, and reflect on the strength found in unity. 🇺🇸

It's a foggy morning on the Greenough Hill US 12 camera! 📸Fog, rain, or snow can limit your visibility. Turn your headli...
09/09/2026

It's a foggy morning on the Greenough Hill US 12 camera! 📸
Fog, rain, or snow can limit your visibility. Turn your headlights on, slow down, and drive at a speed that is safe for the conditions. Reminder: you may need to turn your headlights on manually if you have a newer car with auto lights!

Happy Labor Day! Our offices are closed today for the holiday.
09/07/2026

Happy Labor Day! Our offices are closed today for the holiday.

Address

2701 Prospect Avenue
Helena, MT
59601

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+14064446200

Website

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