Cattle truck rollover closes key Ill. ramp most of Sunday

My mom was driving to the airport this afternoon and went through this! The truck crashed and tipped over on the overpass. The top of the truck ripped off and the cattle were climbing out onto the over pass and leaping to their deaths onto the highway below. One of the cows fell directly on top of a car. My mom was only several cars back when the cows were dropping. She had to drive between the bodies. This was a very bad accident, and awfully horrific event. : (