A huge holiday pile-up backed things up on the 401 east and westbound earlier today. The express lanes east of Dixie Road in Mississauga were closed.
The Ontario Provincial Police say that a tractor trailer and car collided. An air ambulance was called to the scene to bring the female passenger of the car to hospital. Serious injuries were reported.
OPP say the highway re-opened before 4pm and the accident is currently under investigation.
Find out more about road and water safety for the long weekend ahead.