A Tyler man was killed Sunday morning after driving his van into the back of a parked 18-wheeler. The accident happened around 8:30 a.m., near Loop 323 and CR 3145, that's just outside the Tyler city limits. Department of Public Safety reports show 18-year old Yader Rosales was driving a Chevrolet minivan Eastbound on the loop when he ran off the roadway and hit the trailer of the truck. Authorities say the truck was parked legally on the shoulder. Rosales died at the scene. He was not wearing his seatbelt.