Four people killed in a deadly crash on I 45 in Dallas. This happened this afternoon near Simpson Stewart Road. The crash involved for vehicles. Dallas. Police say the car you see right here was northbound on 45. They say it got into a crash, crossed the median into southbound lanes, hit two other cars and flipped over three people in that vehicle died at the scene. One of the southbound drivers died at a hospital. Other victims also went to the hospital tonight. We do not know their conditions. Dallas police have released no identities.