Highway 1 westbound will be detoured at the first exit after the Port Mann bridge and will rejoin the highway at the Coleman Avenue on-ramp on Thursday and Friday night.
The closure on Thursday will take place between 10 p.m. and 4 a.m., while the Friday night closure will take place between 11 p.m. and 6 a.m.
During these times, the Lougheed Highway westbound and the on-ramp to Highway 1 westbound from the Mary Hill Bypass will also be closed. Mary Hill westbound drivers will be detoured to the Coleman on-ramp, while Lougheed Highway westbound drivers will be detoured to United Boulevard.
Drivers are asked to exercise caution at all times and obey all construction signs and speed limits.
