The 44-year-old Darien man, killed in a traffic crash Monday night on I43 in the Town of Turtle, has been identified. The Rock County Medical Examiner’s Department says Karl D. Wolf died of injuries in the crash. The Wisconsin State Patrol responded to the crash abou 9:30 p.m. and reported Wolf’s pickup truck struck a guardrail on the Interstate near Schroeder Road, and then was clipped by a second vehicle and hit by a third. Wolf was thrown from his vehicle. The crash is still under investigation.