Three Semis and Car Crash Blocks Northbound I-15 Mile Marker 222

Three semi-trucks and a passenger car collided on Interstate 15 northbound at mile marker 222 north of Helena, leaving all northbound lanes fully blocked and forcing northbound drivers onto Recreation Road, Jefferson County officials said. The county traffic alert stated, “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.”

Montana Highway Patrol posted on social media that minor injuries have been reported; Jefferson County’s alert also noted, “Some individuals involved sustained minor injuries.” Emergency responders remained on scene while crews worked to clear the wreckage, and officials warned motorists to expect delays in the corridor between Helena and Butte.

Jefferson County confirmed routing directions for northbound traffic: “Officials confirmed that northbound drivers are being rerouted to Recreation Road while crews work to clear the scene.” The county also instructed drivers to follow posted detours and to allow extra travel time as commercial carriers and daily commuters will be diverted off the interstate for the duration of the closure.

Authorities have not released details on the extent of vehicle damage, and Montana Highway Patrol has not provided an estimated reopening time. The county alert repeated that point: “The extent of vehicle damage has not been released. Montana Highway Patrol has not indicated when the roadway is expected to reopen.” Commercial carriers that regularly travel the I-15 corridor should anticipate routing and schedule disruptions until the scene is cleared.

Multiple agency alerts say the mile 222 crash occurred at the same location as a semi-truck incident that closed traffic on Thursday, raising continuing safety and traffic concerns in the same stretch north of Helena. Jefferson County’s traffic page concluded with a pledge to keep the public informed: “Updates will be provided as additional information becomes available from state authorities.”

Motorists planning northbound travel between Helena and Butte should use Recreation Road as directed by county signage and expect added travel time until state and county crews complete the clearance and investigation.