A Carbon County man was killed when his vehicle crossed the center line of a Luzerne County road and crashed into a truck tractor.

State police at Hazleton said the crash occurred about 4:34 a.m. on Wednesday, along Route 940, just east of Veterans Road, in Foster Township.Troopers said Jamin Zimmerman, 34, of Lehighton, was driving a 1999 Plymouth Breeze westbound when, for unknown reasons, he crossed into the eastbound lane and collided head-on with a Mack truck tractor operated by David Kleppinger, 60, of Palmerton.After impact the Plymouth traveled north off the road and came to final rest along the north shoulder facing west.The truck continued another 70 feet before coming to rest on the south shoulder facing east.Both vehicle sustained heavy damages, troopers said.Kleppinger was not injured.Zimmerman was pronounced dead at the scene.