Emergency crews responded to a major accident reported at I-37 and Callicoate Road just before six o'clock Sunday morning. When crews arrived they discovered a truck and a passenger car were heavily damaged in the crash. A 51 year old man who was inside the car was seriously injured and needed CPR on the scene. The victim was rushed to the hospital. Police say the car was pulled over on the side of the road when it was struck by the truck. Officers had to re-route traffic on northbound I-37 for over an hour as they investigated the crash. Police tell 3 News, they do not believe alcohol or drugs were a factor. Stay with us as we continue to follow this developing story.