Montana Department of Transportation

Active Project - Missoula East and West - Orange Street Interchange

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Orange Street Interchange

Construction Status / Schedule

Construction on Phase 4 of the Orange Street Interchange project remains on schedule.

Current Detours, Closures, and Delays

The I-90 eastbound on and off ramp width restrictions have been lifted and the #104 Orange Street Exit is now open to tractor-trailer combinations.

Motorists are reminded to watch for work crews and equipment and to travel at posted speeds until signs indicate the work zone has ended. Fines double in work zones. For more information, contact Knife River at 406-532-5250.