The State Patrol says investigators are still checking whether alcohol played a role in the Dakota County wreck.

Police say one other person was injured in the Thursday evening wreck and the semi driver was not hurt.

Idaho State Police say the driver went off the shoulder, hit an embankment and rolled before later dying at a hospital.

Officials said the pass could stay shut into the evening while crews investigated and removed damaged vehicles and spilled asphalt.

North Dakota State Patrol says wet roads and a failed yield at an intersection led to the crash.

Idaho State Police says the two-vehicle wreck happened Monday afternoon near milepost 469 and shut down part of the highway for about three hours.

Idaho State Police say a sedan crossed the centerline on U.S. Highway 26 and hit an SUV head-on Monday evening east of Ririe.