Ontario Provincial Police (OPP) says the highway 407 Eastbound in Brampton is partially closed after a serious collision.
The east side of the highway on Mississaga Road has been closed as emergency workers respond to the accident.
Eastbound on-ramps on Mississaga Road have also been closed.
The OPP said that the officials are investigating and urging the public to escape from the area, a long closure is expected.
“Please follow all police instructions,” said OPP.