Highway 99 in Delta closing overnight Monday and Tuesday for bridge work
Full closures between Highway 91 and Highway 17 will run 8–9 p.m. nightly as crews install new bridge girders for the 78th Street overpass.
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Drivers should expect overnight delays on Highway 99 in Delta on Monday, August 10, and Tuesday, August 11, as crews install new bridge girders for the 78th Street overpass.
Closures will progress in stages each evening. Southbound lane closures start at 7 p.m., followed by a full southbound closure at 8 p.m. Northbound lane closures begin at 8 p.m., followed by a full northbound closure at 9 p.m. Highway 99 will reopen in both directions by 5 a.m. each morning.
During the closures, all traffic—including commercial vehicles—will be detoured via Highway 91 and Highway 17. Northbound traffic must exit Highway 99 at Exit 16; southbound traffic at Exit 26.
Drivers should plan for additional travel time and expect minor delays on Highway 99, Ladner Trunk Road, Highway 91, and surrounding roads during the work. Authorities remind travellers to obey posted signage, follow directions from traffic-control personnel, and use caution in construction zones. For real-time road conditions and traffic updates, visit DriveBC.ca.
At a glance
When is Highway 99 closing in Delta?
Highway 99 in Delta will have full closures on Monday, August 10, and Tuesday, August 11, 2026.
What time does Highway 99 close each night?
Full closures on Highway 99 run from 8 p.m. to 9 p.m. nightly, though lane closures begin as early as 7 p.m. The highway reopens in both directions by 5 a.m.
Where do drivers detour during the Highway 99 closures?
Traffic is detoured via Highway 91 and Highway 17. Northbound traffic exits Highway 99 at Exit 16, while southbound traffic exits at Exit 26.
