• May 14 2025

BOZEMAN and LIVINGSTON, Mont - The Montana Department of Transportation (MDT) and CK May Excavating are planning to remove a large amount of rock on Interstate 90 (I-90) near Bozeman Pass the week of May 19.

There will be a 30-minute closure of I-90 and the West Bozeman Hill Road / U.S. Highway 10 frontage road near the project area to complete controlled rock excavation operations. The closure is expected to take place on Tuesday, May 20 between 9:30 a.m. and 3:30 p.m. MDT is unable to provide the specific time the 30-minute closure will occur due to nearby train activity on the BNSF railroad. Plan for delays of up to 1 hour if you have time-sensitive travel during the closure window. If additional 30-minute closures are necessary to remove the rock, advance notice will be provided to the public. Only one closure lasting 30 minutes is expected per day.

“The safety of the public and workers is our number one priority, and we appreciate the public’s patience during the closure,” said MDT Engineering Project Manager, Chad Mozol. “This is an important step in completing the project, and we’ll get traffic flowing again as quickly as possible.”

Once crews have completed rock removal and roadways are safe for motorists to travel on, roads will reopen in both directions under the existing single-lane closures with reduced speeds. Visit 511mt.net for the most up-to-date information on width restrictions and other traffic control.

Work is anticipated to be completed this fall. More information about the planned improvements and construction activities can be found at: mdt.mt.gov/pubinvolve/i90bozemanpass/.

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Tags: News Releases and Construction