Highlights for Friday, Oct. 12 – Monday, Oct. 22
Visit WSDOT’s website for a complete list of closures. Closure information changes frequently, so remember to check for updates throughout the week.
North:
- Starting on Monday, Oct. 15, Sixth Avenue North between Thomas and Republican streets, Harrison Street between Broad Street and Aurora Avenue North and Republican Street between Sixth Avenue North and Aurora Avenue North will permanently close for construction of the SR 99 tunnel’s north portal.
Monday, Oct. 15 through Friday, Oct. 19
- Flaggers will alternate traffic on Sixth Avenue North between John Street and Denny Way from 7 a.m. to 5 p.m. daily.
Central:
Saturday, Oct. 20 and Sunday, Oct. 21
- Seattle City Light crews will close one southbound lane on First Avenue between Columbia and Cherry streets from 9 a.m. to 5 p.m. both days.
Monday, Oct. 15, through the morning of Friday, Oct. 19
- Both directions of First Avenue South will be closed between South King Street and Railroad Way South from 7 p.m. to 5 a.m. nightly. On Wednesday, Oct. 17, the closure start time will be delayed until two hours after the Sounders FC game at CenturyLink Field lets out.
Monday, Oct. 15
- The left lane of Marion Street between Alaskan Way and Western Avenue will be closed from 7 p.m. to 5 a.m.
Tuesday, Oct. 16, through the morning of Friday, Oct. 19
- The northbound parking lane of Western Avenue between Marion and Madison streets will be closed from 7 p.m. to 5 a.m. nightly.
Friday, Oct. 19, through Tuesday, Oct. 23
- The right lane of Madison Street between Post Alley and Western Avenue will be closed from 9 a.m. to 3 p.m.
Monday, Oct. 15, through Thursday, Oct. 18
- The left lane of Madison Street between Second Avenue and Post Avenue will be closed from 9 a.m. to 3 p.m.
South:
Monday, Oct. 15, through the morning of Friday, Oct. 19
- The intersection of South Royal Brougham Way and East Frontage Road will be closed intermittently from 9 p.m. to 5 a.m. nightly.
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
SR 99 Tunnel Project | South Holgate Street to South King Street Project