Oklahoma Highway Patrol Troopers are on the scene of an accident at U.S. Highway 177 and Oakland Avenue, about 1 to 1.5 miles south of Ponca City.

A pickup truck and semi collided at the intersection and the semi was loaded with 79,000 pounds of Liquid Nitrogen.

The outside lane of south bound US177 is currently closed at this time due to the vehicles being in the roadway.