A 39-year-old Woodbridge man is dead and another man has been charged after a multi-vehicle collision on Highway 401, police said Saturday.

EMS said the collision occurred at around 4:35 p.m. in the westbound collectors at Keele Street.

The OPP said the collector lanes have been closed in the area for the investigation, however, the express lanes remain open.

There are no other reports of injuries, OPP said.

OPP said a 55-year-old man from Toronto is under arrest and facing charges of impaired driving causing death.

Police said they continue to investigate the incident.