Delmar Fire Dept responded for a reported Motor Vehicle Collision with Entrapment on Bi-State Blvd at Foskey Lane. Units arrived to find a two vehicle collision and confirmed entrapment. Aviation was requested immediately. Rescue 74's crew removed the front passenger door and extricated a trauma patient. That patient was flown to Shock/Trauma in Baltimore by Maryland State Police Helicopter Trooper 4. Two additional patients were transported by ground ambulances to a local hospital.