A serious rollover on the NB 404 closed all lanes at Elgin Mills for over 5 hours.
The fatal crash happened just before 5 p.m and OPP Sgt. Kerry Schmidt says a southbound vehicle crossed over into the Northbound lanes and struck a vehicle head on.
All 3 people in the Northbound vehicle were killed at the scene while the man in the southbound vehicle was rushed to hospital with serious injuries.
The Northbound lanes reopened just after 10 p.m.
— OPP GTA Traffic (@OPP_GTATraffic) October 27, 2015