One person is dead following a two car crash on the 417 westbound near Woodroffe Avenue.

Police say 42-year-old Bernard Clarke was killed when his Audi flipped numerous times on the 417 and into another car. He was extricated from his vehicle and sent to hospital where he was pronounced dead.

The driver of the second vehicle, also travelling in the westbound, was sent to hospital in serious condition. Police now say he's been upgraded to stable condition.

The 417 from Woodroffe to Greenbank re-opened just before 6:00 p.m. Sunday.

The exact cause of the collision is still under investigation. Any witnesses or anyone with information is asked to contact Provincial Constable Shane Marko of the Ottawa OPP at 613-270-9171 or 1-888-310-1122.