The dispatch went out for the mva with injury, and was quickly upgraded to an mva with heavy entrapment. One car vs pole, t-boned onto the pole at the drivers door. Companies immidiately went into svc with stabiliztion and extrication. They did a roof removal and a dash displacement. They also whenched the car off of the pole to gain access on the drivers side. One victim was removed before the Rescues arrival and transported by 19-7 to DCMH. The driver was extricated in approx 30 minutes and transported by 24-7 to H.U.P. with numerous injuries. Company 03 and Rescues 19 & 44 were o/s for the extrication and stabilization.