Expect closures and delays along parts of the Sea to Sky Highway this weekend.
The Whistler Ironman bike race takes place on Sunday, with the following changes in effect from 6:30 a.m. to 5 p.m.:
* northbound from Callaghan Valley Road to Village Gate Boulevard – closed from noon to 5 p.m.
* southbound from Nancy Green Drive to Valley Gate Boulevard – closed from 6:30 a.m. to 5 p.m.
* southbound from Village Gate Boulevard to Callaghan Valley Road – closed from 6:30 a.m. to 1 p.m.
* both directions between Nancy Greene Drive and Alpine Way – single lane alternating traffic from 6:30 a.m. to 5 p.m.
On top of that, there will be no vehicle access from the west side of Highway 99 between Callaghan Valley Road and Alpine Way from 6:30 a.m. to 5 p.m.
The Ministry of Transportation said Wednesday drivers should plan to travel along Highway 99 outside of those times, and to give themselves extra time and use alternate routes.