Construction notifications

Construction notices and detours

Cones blocking the ramp entrance to Alaskan Way Viaduct
This page contains SR 99 and Seattle street closures due to work on the Alaskan Way Viaduct Replacement Program. See bottom of page for other traffic resources from around the region.


SR 99 HIGHWAY AND RAMP CLOSURES IN SEATTLE

Last updated: May 16, 2019

May 15-17: SR 99 northbound off-ramp to Alaskan Way and S. Dearborn St will be closed overnight, 9 p.m. - 5 a.m., for railing work on the off-ramp bridge.

May 19: SR 99 southbound off-ramp to Royal Brougham Way will be closed overnight, 9 p.m. - 1 a.m., for unloading construction material.

LOCAL SEATTLE STREETS

Last updated: May 16, 2019

Seattle traffic cameras and road closures

The SDOT Travelers Home Page offers traffic cameras and alerts about localized road closures:

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NORTH OF DENNY WAY

May 28-31, June 3: Seventh Avenue North between Denny Way and Harrison Street will be closed overnight, 9 p.m. - 5 a.m., for utility work.

Ongoing: Seventh Avenue North is reduced to one lane in each direction between Denny Way and Harrison Street for North Surface Street construction.

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BELLTOWN

May 6 - early June: Borealis Avenue is narrowed to one lane between 6th Avenue and Denny Way. The taper will change depending on time of day.

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DOWNTOWN WATERFRONT

Ongoing: Crews have begun removing the Alaskan Way Viaduct. Visit the work tracker to see current work locations and street closures.

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Ongoing: Western Avenue between Marion and Columbia streets will be closed for building the new temporary pedestrian bridge.

Ongoing: Alaskan Way is narrowed to two lanes adjacent to the viaduct demolition work zone.

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SOUTH OF YESLER WAY

No local street closures planned at this time.

UPCOMING NIGHTTIME NOISE WORK

Last updated: May 16, 2019

Other traffic resources for Seattle and the region:

Social media and apps

Traffic condition websites