Southbound lanes of the Trans-Canada Highway near Goldstream Provincial Park are backed up due to reports of a truck that has rolled.
DriveBC webcams show congestion near Tunnel Hill.
In a tweet, Emcon Services Inc. said the incident is on the Malahat at Finlayson Arm Road. Crews are on scene and traffic in both directions should expect delays due to congestion.
Lisa Gregus, who is stuck in the congestion, told Black Press Media traffic was already backed up due to blasting. She said a dump truck had to brake hard and lost control.