POLICE CAR 2008 CROWN VICTORIA WAS SOUTHBOUND THROUGH INTERSECTION AND STRUCK BY AN EASTBOUND VEHICLE. THE CROWN VIC ACCELERATED POST IMPACT BY A STUCK THROTTLE LINKAGE AND LED TO TWO ADDITIONAL COLLISIONS. EVENT DATA RECORDER DOWNLOAD CONFIRMED THE OFFICER COMPLAINT OF THE STUCK THROTTLE. INITIAL IMPACT SPEED WAS 22 MPH, POST IMPACT ACCELERATED TO 25 FOR HEAD ON WITH STOPPED VAN IN ONCOMING LANE PUSHING VAN BACK AND SIDEWAYS. CV CONTINUED PAST AT A SPEED OF 16 MPH TO STRIKE IMPALA HEADON AND ACCELERATED TO 20 MPH BEFORE OFFICER COULD STOP. THROTTLE AT 100% WHILE IN NEUTRAL AND HIGH RPMS (4600) UNTIL OFFICER SHUT ENGINE OFF. CCSO REPORT NUMBER S08-14160. *TR