Construction notifications

Construction closures and nighttime noise work

Cones blocking the ramp entrance to Alaskan Way Viaduct
This page contains SR 99 and Seattle street closures due to work on the Alaskan Way Viaduct Replacement Program. See bottom of page for other traffic resources from around the region.


SR 99 MAINLINE AND RAMP CLOSURES IN SEATTLE

Last updated: Aug. 3, 2018

There are no full closures of SR 99 planned at this time

LOCAL SEATTLE STREETS

Last updated: Aug. 3, 2018

North of Denny Way

  • Street restoration work has begun on the closed block of Sixth Avenue North between Harrison and Thomas streets. This new phase of work is part of the SR 99 Connections Project. The street remains closed.

View notice

Downtown waterfront

  • Aug. 3-18: Daytime parking closures and overhead construction on Alaskan Way.

View notice

  • Partner agency: SDOT - Columbia St 2-way transit corridor
  • South of Yesler Way

    • Long-term closure: The east lane of East Frontage Road, and the adjacent sidewalk, is closed for construction, between South Atlantic Street and Royal Brougham Way.
    • Long-term closure: The south side of South Royal Brougham Way, between First Avenue South and East Frontage Road South, is closed for construction. The south sidewalk, and the parking lot driveways to the western Pyramid Brewing parking lot, are also closed.

    View detour

    • July 30 - August 2: Four nights of work on South Royal Brougham Way and South Atlantic Street to lift signal poles and install traffic signals. Work includes local street closures midnight - 5 a.m.

    View notice

    • August 6-7: The northbound lane of Railroad Way between First Avenue South and King Street will be closed. The southbound lane of First Avenue South between King Street and Railroad Way will be closed. Work includes local street closures midnight - 5 a.m.
    • August 13-16: The northbound lane of Railroad Way between First Avenue South and King Street will be closed. Work includes local street closures midnight - 5 a.m.

    View notice

    UPCOMING NIGHTTIME NOISE WORK

    Last updated: Aug. 3, 2018

    SR 99 Connections project

    • Aug. 6-7: Excavation for drainage and utilities on Railroad Way and First Avenue South.
    • Aug. 13-16: Excavation for drainage and utilities on Railroad Way and First Avenue South.

    View notice

    • July 30 - August 2: Four nights of work on South Royal Brougham Way and South Atlantic Street to lift signal poles and install traffic signals. Work includes local street closures midnight - 5 a.m.

    View notice