There has been a collision involving logging truck on Highway 99, north of Squamish.
Emergency crews on scene, and lane closure can be expected.
There is alternating lane available, but that may close due to cleanup.
According to Drive BC, the incident happened between Alice Lake Rd and Daisy Lake Rd, about 4 kilometres north of Squamish, near the south of Cheakamus Canyon Climbing Area.
There is single lane alternating traffic and delays can be expected. Drivers are being urged to watch for traffic control.
Squamish RCMP says some injuries have been reported.