A truck driver from Milwaukee was killed in a crash with a plow truck on southbound I-39 in Rock County near Beloit.The crash closed the highway, as seen in video from the DOT camera Friday afternoon.Watch: Semi driver dies in crash with plow truck on southbound I-39 near Beloit Semi driver dies in crash with plow truck on southbound I-39 near BeloitInvestigators said the 59-year-old semi-driver hit the back of the plow truck while it was removing snow from the median shoulder.The impact caused the semi-tractor trailer to jackknife, blocking all southbound lanes. The plow truck driver was not injured.The Wisconsin State Patrol is investigating the crash and conducting post-crash inspections of both vehicles. The truck drivers name is being withheld pending family notification.Its about time to watch on your time. Stream local news and weather 24/7 by searching for TMJ4 on your device.Available for download on Roku, Apple TV, Amazon Fire TV, and more.Report a typo or error