A pedestrian was hit by a vehicle and killed Saturday night in Prince George’s County, police said.

The man was found in the roadway in the 5100 block of Allentown Road about 10:40 p.m., police said. He died at the scene.

The vehicle that struck him remained at the site, according to police. Authorities early Sunday were still trying to determine what happened.

Allentown Road is a major county thoroughfare just west of Joint Base Andrews.