NASCAR did not call for a caution until after winner Shane van Gisbergen had begun the final lap. Brad Moran, Cup series managing director, explained Tuesday on SiriusXM NASCAR Radio why officials didn't immediately throw the caution after Ware's accident.

We finally have answers from NASCAR on why they waited to throw the caution for the worst hit of the Chicago Cup race

Nigel Kinrade Photography Rick Ware Racing Competition Director Tommy Baldwin says that NASCAR will change its procedures after Cody Ware's head-on crash into the tire barrier on the streets of Chicago.