Montana Major Road Closures & Construction
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Major Road Closures for Montana, latest reading.
What this means
Closures are routes where one or more lanes are completely shut to traffic. The longest-duration items are typically major reconstruction projects (often spanning years) and they affect commutes for months at a time.
What you can do
- For multi-month closures, identify a permanent alternate route — Google Maps "explore alternate" will set it as default.
- For short-notice closures, follow your state DOT on social media (most run an @StateDOT account) for real-time updates.
- If you depend on a specific corridor for work, sign up for your state DOT's email alerts via its 511 portal.
More mobility indicators