Police are investigating a single vehicle collision involving a motorcycle that has left one man dead.

Around 10:45 a.m., a motorcycle with a single rider was taking the West 4th Avenue exit off of the Granville Street Bridge when he lost control, struck the guard rail and fell to the street below.

The 50-year-old man was pronounced deceased at the scene by paramedics. The identity of the man is not being released.

Motorists can expect traffic delays in the area of West 4th Avenue and Fir Street as police conduct their investigation.