Cologne (dpa / lnw) - A 25-year-old passenger in a sports car died in a traffic accident on Autobahn 57 in Cologne on Saturday evening. For reasons that are still unknown, the car left the roadway and rolled over. The co-driver had succumbed to her injuries at the scene of the accident, the Cologne police reported on Sunday. The 33-year-old driver was taken to hospital with serious injuries.