Jefferson County, Montana – The northbound lanes of Interstate 15 at mile marker 222 are closed following a multi-vehicle crash involving three semi-trucks and a passenger car, prompting traffic delays in Jefferson County.
According to the Montana Highway Patrol, the crash was reported Thursday and has shut down all northbound traffic in the area. Authorities said some individuals involved sustained minor injuries.
Officials confirmed that northbound drivers are being rerouted to Recreation Road while crews work to clear the scene. Motorists should expect delays near mile marker 222 as emergency responders remain on site.
The extent of vehicle damage has not been released. Montana Highway Patrol has not indicated when the roadway is expected to reopen.
The closure affects a key stretch of I-15 frequently used by commercial carriers and daily commuters traveling between Helena and Butte. Drivers are advised to follow posted detours and allow extra travel time.
Updates will be provided as additional information becomes available from state authorities.
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