the next hour. investigators reconstructed the accident. a semi truck going north on the 394 beard off the road crossed the center median slammed into an s u v head on burst into flames. what caused the driver of the road a big question not clear the driver did not survive the accident waiting to get an identification on exactly where the person is who the person says the condition is not known tonight. immediately shut down 394 back up traffic. 294 was backed up on 80 actually, pretty backed up. the 8394 merged that is where i was with traffic started to back up and i could see the smoke i knew there was an accident occurred it as i was going traffic completely shut down. we are just getting information from the producer out here. we have the name and identity of the driver, mary lucy 39 years old from lynwood illinois, the driver was not injured. traffic shut down at 394 northbound, south suburban lynwood. and the southbound i 80. state police trying to open the traffic in