Alaskan Way Viaduct Replacement Construction Closures: Highlights for Friday, Sept. 7 – Monday, Sept. 17

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, Sept. 7 – Monday, Sept. 17

Corridor-wide:

  • Viaduct reinforcement work will close all lanes of southbound SR 99 between the north end of the Battery Street Tunnel and the West Seattle Bridge at the following times:
    • 9 p.m. to 5 a.m. nightly, Sunday, Sept. 9 – the morning of Friday, Sept. 14.
    • 9 p.m. to 5 a.m. nightly. Sunday, Sept. 16 – the morning of Friday, Sept. 21.

North:

Monday, Sept. 10 through Wednesday, Sept. 12

  • John Street between Sixth Avenue North and Taylor Avenue North will be closed from 7 a.m. to 5 p.m. daily. The sidewalk and north parking lane also will be closed through Sept. 14. Local access maintained from Taylor Avenue North.

Monday, Sept. 10, through Friday, Sept. 14

  • The north parking lane and sidewalk on John Street between Sixth Avenue North and Taylor Avenue North and between Aurora Avenue North and the alley will be closed from 7 a.m. to 5 p.m. both days.

Thursday, Sept. 13 and Friday, Sept. 14

  • Flaggers will direct traffic on Sixth Avenue North between Denny Way and John Street from 7 a.m. to 5 p.m. daily.

Central:

Monday, Sept. 10, through Friday, Sept. 14

  • The southbound parking lane on Western Avenue between Marion and Columbia streets will be closed from 9 a.m. to 3 p.m. daily.
  • The north-side parking lane and one eastbound travel lane on Marion Street between Alaskan Way and First Avenue will be closed from 7 p.m. to 5 a.m. nightly.

South:

  • All lanes of northbound SR 99 will be closed between South Royal Brougham Way and the West Seattle Bridge from 11 p.m. Friday until 5 a.m. Monday.

Quick links:

 

Website links

Alaskan Way Viaduct Replacement Program

SR 99 Tunnel Project | South Holgate Street to South King Street Project