A Mechanicsville man died Monday afternoon in a single-vehicle crash near Potomac Motor Speedway in Budds Creek, authorities said.

St. Mary’s County sheriff’s deputies responding to the crash scne on westbound Budds Creek road at about 4:46 p.m. found a 2001 Ford F150 in a wooded area off the road. The driver, Stephen G. Riley III, was trapped in the truck, authorities said.

Riley died at the scene, according to authorities. They continue to investigate the reasons why Riley apparently lost control of his vehicle.

Anyone with information is asked to call Deputy William Watters at (301) 475-4200 x9114.