0146 hours. Central Islip Hauppauge Ambulance responds to a traffic collision on the Long Island Expressway. Units arrive to find a vehicle overturned not he eastbound side of the expressway  between exits 57 and 58. EMS personnel treated and transported one subject with non life threatening injuries. The expressway was closed at exit 57 for approximately one hour while the vehicle was uprighted and removed from the roadway.