Alaskan Way Viaduct Replacement Construction Closures

Visit WSDOT’s website for a complete list of closures. Closure information changes frequently, so remember to check for updates throughout the week.

Highlights for Friday, July 13 – Monday, July 23

Corridor-wide:

Both directions of SR 99 (Aurora Bridge) will close overnight Thursday, July 12. Southbound SR 99 will close between North 39^th Street and Raye Street from 10 p.m. Thursday, through 5 a.m., Friday, July 13. Northbound SR 99 will close between Western Avenue and North 39^th Street from 11:59 p.m. to 5 a.m.

North end:

Through late August, the right lane of southbound SR 99 is closed around-the-clock from Republican to Harrison streets. Access to and from southbound SR 99 is closed from Republican and Harrison streets.
John Street will be closed between Sixth Avenue North and Aurora Avenue North from 7 a.m. to 7 p.m. Thursday, July 12 and Friday, July 13. Local access will be maintained from Sixth Avenue North.
Thomas Street will be closed between Sixth Avenue North and Taylor Avenue North from 7 a.m. to 5 p.m. Friday, July 13.
Flaggers will alternate traffic on Thomas Street between Sixth Avenue North and Aurora Avenue North from 7 a.m. to 5 p.m. on Monday, July 16, and Tuesday, July 17.
Northbound Sixth Avenue North between Harrison and Thomas streets will be closed from 7 a.m. to 5 p.m. on Wednesday, July 18 and Thursday, July 19.

South end:

East Marginal Way South will close between South Atlantic and South Hanford streets from 7 p.m. Wednesday, July 11 to 5 a.m., Thursday, July 12; and from 8 p.m. Friday, July 13 to 5 a.m. Saturday, July 14. At the same time, Atlantic Street will be closed from Colorado Avenue to East Marginal Way South.

Quick links:

Current work: The most up-to-date resource for construction related to the Alaskan Way Viaduct replacement.
Traffic: Real-time conditions on Seattle area highways and many connecting streets.
Transit: WSDOT funded additional bus service along routes affected by construction.
Bike/walk: We maintain a safe and reliable path for bicyclists and pedestrians through the construction area.

Website links

Alaskan Way Viaduct Replacement Program