Construction notifications

Construction notices and detours

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: Jan. 14, 2019

Jan. 4: Northbound SR 99 on-ramp at South Royal Brougham Way and southbound SR 99 off-ramp at South Atlantic Street will close (near stadiums; connections to I-90 and I-5).

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Jan. 11: SR 99 will close in both directions from South Spokane Street to the south end of the Battery Street Tunnel.

More information

Feb. 1: Battery Street Tunnel closes. On-ramp and off-ramp from Battery Street Tunnel to Western Avenue also close.

More information

LOCAL SEATTLE STREETS

Last updated: Jan. 14, 2019

North of Denny Way

  • Jan. 31 - Feb. 3: Street closures for the SR 99 grand opening event. See the below notice for more information.

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Belltown

  • No closures related to AWV Program work at this time.

Downtown waterfront

  • No closures related to AWV Program work at this time.

South of Yesler Way

  • Beginning Jan. 4: Westbound lanes of S. Royal Brougham Way closed between First Ave S. and S. Colorado Ave.

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  • Feb. 1 - Feb. 3: Street closures for the SR 99 grand opening event. See the below notice for more information.

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UPCOMING NIGHTTIME NOISE WORK

Last updated: Jan. 14, 2019

  • Beginning Jan. 7: Utility location nighttime work along Aurora Avenue North between Harrison and Thomas streets.

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Other traffic resources for Seattle and the region:

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Traffic condition websites