Traffic Control Updates:
- Knife River crews are scheduled to begin installing new guardrail on the Zoo Drive westbound off-ramp starting Thursday, May 9, after 7 p.m. During this time, the Zoo Drive westbound off-ramp will be closed to traffic.
- Paving work is expected to resume at the Mossmain Interchange (East Laurel) on Friday night, May 10, between 7 p.m. and 6 a.m. Please watch for changing traffic control and temporary ramp closures through Monday, May 13.
Project Overview
The Montana Department of Transportation (MDT) and Knife River are improving Interstate 90 (I 90) from the west bridge ends of the Mossmain Interchange (Exit 437) to the east bridge ends of the West Billings (Exit 446) Interchange. The project will include resurfacing the deteriorated roadway, the addition of roadway safety enhancements, widening the decks of the I 90 bridges over South 56th Street West, resurfacing the remaining I 90 bridge decks, and Americans with Disabilities Act (ADA) compliance upgrades to the West Billings Interchange. The roadway safety enhancements for this project will include new rumble strips, guardrail, concrete median barrier, signage, and pavement markings.
Construction Updates and Travel Advisory
For construction updates and travel advisory check the Project Updates page.
Project Map
UPN 9198000