One man is dead after a motorcycle and truck collided on Hwy. 410 in Brampton.

The crash happened around 9 a.m. near Steeles Ave.

Witnesses said the motorcycle was travelling northbound on Hwy 410 at a high speed when it hit the back of a 5 tonne truck, OPP said.

The motorcyclist flew off and hit the pavement, OPP said.

The victim, a man, was pronounced dead the scene. A coroner has been called to the scene.

The truck driver was not injured, OPP said.

All northbound lanes on Hwy. 410 between the on and ramps. are closed as police investigate.

OPP say the closure will last for several hours.