We now know the name of the man killed in a crash in Rock County.
The Dane County Medical Examiner’s Office says he is 27-year-old Jacob Wiebel.
Police say Wiebel was driving north in the southbound lane of I-39 when he hit a semi-truck head on. The impact caused the truck to burst into flames, but that driver was able to escape. Wiebel was pronounced dead at the scene.
The cause of the crash remains under investigation.