A 73 year old Burlington mas was killed in a single vehicle crash on the 405 at the Queenston-Lewiston bridge.
OPP say his passenger, a 74 year old man also from Burlington remains in hospital with life threatening injuries.
It happened on the 405 U-S bound at the Queenston-Lewiston bridge just after 3 o'clock this afternoon.
Access to the USA remained open through the commercial lanes during the accident investigation.
OPP expect to reopen the area by 7 p.m.