information from SDOT

The Seattle Department of Transportation will grind the concrete street surface streets to improve traction for safety at multiple locations around the city from May 15 through May 29. Work will take place during weekdays between 7 a.m. and 5 p.m. with the exception of some weekend work, which will take place from 9 a.m. to 10 p.m.

Dates for each location are subject to change depending on work progress or other factors. Flaggers will be on site at road closures to provide local access and guidance. The locations were selected based on traction vulnerability due to heavy rain, snow or ice.

The following describes the scheduled roadway closures:

May 15-16:
NW 80th Street between Eighth Avenue NW and Third Avenue NW (local access only)
Work zone is NW 80th Street between Eighth Avenue NW and Sixth Avenue NW.
Eastbound traffic detoured via Eighth Avenue NW, NW 65th Street, and Third Avenue NW.
Westbound traffic detoured via Third Avenue NW, NW 85th Street, and Eighth Avenue NW.

May 17-18:
Olson Place SW between SW Cambridge Street and First Avenue South (one lane of traffic open in both directions)
Work zone is in the northbound lanes of Olson Place SW between Fourth Avenue SW and Second Avenue SW.

May 19:
N 80th Street between Greenwood Avenue N and Linden Avenue N (local access only)
Work zone is N 80th Street between Dayton Avenue N and Fremont Avenue N.
Eastbound traffic detoured via Greenwood Avenue N, N 55th Street, and Linden Avenue N.
Westbound traffic detoured via Linden Avenue N, N 85th Street, and Greenwood Avenue N.

May 20-21:
SW Genesee Street between SW Avalon Way and Delridge Way SW (local access only)
Work zone is SW Genesee Street between SW Avalon Way and 30th Avenue SW.
Eastbound traffic detoured via SW Avalon Way, SW Yancy Street, 28th Avenue SW, SW Andover Street, and Delridge Way SW.
Westbound traffic detoured via Delridge Way SW, SW Andover Street, 28th Avenue SW, SW Yancy Street, and SW Avalon Way.

May 22-23:
SW Charlestown Street between 49th Avenue SW and California Avenue SW
(local access only)
Work zone is SW Charlestown Street between 47th Avenue SW and 45th Avenue SW.
Eastbound traffic detoured via 49th Avenue SW, SW Admiral Way, and California Avenue SW.
Westbound traffic detoured via California Avenue SW, SW Admiral Way, and 49th Avenue SW.

May 27-28:
W Dravus Street between 28th Avenue W and 20th Avenue W (local access only)
Work zone is W Dravus Street between Whalley Place W and 25th Avenue W.
Eastbound traffic detoured via 28th Avenue W, W Blaine Street, Thorndyke Avenue W, and 20th Avenue W.
Westbound traffic detoured via 20th Avenue W, Thorndyke Avenue W, W Blaine Street, and 28th Avenue W.