Police identified the driver of the truck as William J. Costigan, 57, of Damascus. Costigan was declared deceased at the scene, according to the release. All lanes of I-70 were closed for hours due to the truck fire. There were no other injuries reported. The lanes of I-70 were reopened to traffic around 9 p.m. The Frederick County Sheriff’s Office, the State Highway Administration, and Maryland Department of Transportation assisted with the lane closures and detours for drivers.