On September 25, 2021, at approximately 3:55 p.m. Mountain Daylight Time, Amtrak passenger train 7/27, the westbound Empire Builder, carrying 141 passengers and 17 crew members, derailed west of the town of Joplin, Montana, United States. The train consisted of two locomotives and ten cars, eight of which derailed. Three people were killed, and at least 50 others were injured, with seven of them being hospitalized.