From WSDOT. See full information, including maps, about this detour here.
Detour route changes: May 23 through early June
Starting at 5 a.m., Monday, May 23, crews will close the multi-use path between S. Royal Brougham Way and S. Atlantic Street to install foundation support columns for the new SR 99 roadway. The path will reopen in early June.
Please note: Bicycles and pedestrians are routed onto the sidewalk on E. Frontage Road S. between S. Atlantic Street and S. Royal Brougham Way. Northbound cyclists who choose to ride in the road must use the crosswalk at the intersection of E. Frontage Road S. and S. Royal Brougham Way in order to continue north on the Alaskan Way S. multi-use trail.
When the Alaskan Way S. multi-use path is closed between S. Atlantic Street and S. Royal Brougham Way, bicyclists will be routed around the closure using the E. Frontage Road S. sidewalk.
General detour route
Northbound multi-use path – The path crosses Alaskan Way S. at S. Massachusetts Street and continues along the west side of the roadway. Cyclists wishing to continue north are directed to cross at S. Royal Brougham Way and turn left. The path resumes along the east side of Alaskan Way S.
Southbound multi-use path – Heading south of S. King Street, the path crosses Alaskan Way S. at S. Royal Brougham Way and resumes along the west side of the roadway south of S. Massachusetts Street. At S. Massachusetts Street the path ends and cyclists are routed onto the bicycle lane. Pedestrians continue south on the sidewalk.