3 car MVA @ New Walkertown and Cameron Ave. E-04 and C-02 on initial alarm, E-12 was in the area and responded to assist. Both units arrived seconds apart and were confronted w/ a 2 car head-on colision w/ one driver pinned-in. Rescue initiated(SOP initiate's Aerial and Rescue response) A-02 dispatched to assistalond w/ vol. Rescue company. Crew's from E-04 and E-12 rapid-extricated driver and transferred to EMS.Same time Crews were treating two pt.'s from other vehicle.A-02 and Rescue Company were cancelled due to pt being free. All crews did exceptional job under circumstances.