A section of Idaho Highway 34 between Evergreen Lane and China Hat Road was closed shortly after 2:21 p.m. Monday because of a train derailment. The derailment was just north of the Allen H. Tigert Airport.
Idaho State Police said there were no known injuries.
A detour has been posted between mileposts 59 to 65 near Soda Springs.
Investigation of the incident is continuing.