Faulty rail bolt may have caused Friday’s oil train wreck

Washington State Police, above, helped regulate traffic on State Route 14 Friday after an oil train derailed on Union Pacific Railroad tracks in Mosier early that afternoon. The column of smoke in the background is a result of burning oil cars.

A column of smoke scarred the sky early Friday afternoon after a Union Pacific oil train, containing Bakken crude oil from Idaho on its way to Tacoma, derailed in Mosier on tracks paralleling Interstate 84 near Mosier’s wastewater treatment plant. No injuries have been reported as a result of the accident.

Union Pacific has identified a preliminary cause of the crash, saying a bolt that fastens the rail to the railroad ties may have been at fault. A final determination of the cause has not been made.