The Ontario Provincial Police said the vehicles collided in the eastbound collector lanes of Highway 401, just past Dixie Road, about 6 p.m.
Sgt. Kerry Schmidt said all four people were taken to hospital, where the Toronto man was pronounced dead. The other three people suffered minor injuries.
Police aren’t releasing the name of the victim until next-of-kin can be notified.
Meanwhile, the highway’s eastbound collector lanes were closed for several hours for the police investigation and clean up.
Anyone with information or who witnessed the crash can call the OPP’s Port Credit detachment at 905-278-6131.
Source: The Mississauga News