On March 15, 2023, at approximately 10:15 am, a multi-vehicle crash which included 6 vehicles and a semi-truck fully blocked Gallatin Road/US-191 at mile marker 66. A Gallatin County Sheriff’s deputy first arrived on scene at 10:48 am. At 11:23 am, Montana Department of Transportation closed Gallatin Road until the hazard could be cleared.  Due to the crash, approximately 6 miles of northbound traffic was backed up in the canyon. There were no injuries reported.  Gallatin County Sheriff’s Office assisted the Big Sky Fire Department, and Montana Highway Patrol to man the roadblock at Gallatin Road and Lone Mountain Trail. Information regarding the closure was distributed by multiple first-responding agencies to the appropriate local media outlets to alert the public of the closure.  At approximately 2:38 pm, the hazard was cleared and the canyon was patrolled to ensure the road was safe to reopen.  There were 16 traffic incidents in the Big Sky area due to the weather between 7:00 am and 3:00 pm with no injuries reported.