Station 15 was dispatched for a Motor Vehicle Crash at 11:25 hours. A-15 arrived on scene at 11:33 hours advising subject trapped which Medic 6B was alerted. A-15 advised on a trauma alert and requested a 2nd BLS, which B-15 responded. Rescue 15 arrived at 11:38 hours. A-15 and M6B transported 1 trauma alert to CER and B-15 transported 2 patients to CER. Situation was placed under control at 11:49 hours. Rescue 15 cleared at 12:09 hours turning the scene over to DSP.