Just after 0800, Sussex EOC alerted Station 85 and Medic 101 for a MVC with entrapment on Broadkill Rd. just east of Rt. 1. B-85 responded immediately followed by Engine 5 and Rescue 85. B-85 arrived first to find a two vehicle MVC with one on its side with a subject still in the vehicle. Just prior to Engine 5s arrival, B-85 advised the subject had self extricated and was in the custody of DSP with no other patients. Engine 5 arrived followed a short time later by Rescue 85. Crews from both unit secured the vehicles and removed debris from the roadway. Engineer Millman placed the scene under control and cleared all units. Fire police remained on scene a short time assisting DSP with traffic. Units responding, B-85, Engine 5, Rescue 85, DSFP, DSP, Medic 101.