Peel Police are asking for witnesses to come forward after a serious motor vehicle collision. Around 11:00 am Wednesday, a 27 year old man on a motorcycle, collided with another vehicle, in the Chinguacousy Road and Bovaird Drive West area. The man was thrown from his vehicle and airlifted to a Toronto trauma centre. He remains in critical condition. The 34 year old woman driving the second vehicle was not hurt. Anyone who may have witnessed the crash is asked to call Peel Police at 905-453-2121 ext. 3710, or Crime Stoppers at 1-800-222-TIPS (8477).