Traffic Changes

Constrution Highlights for Friday, May 24 – Friday, May 31

Fri, 24 May 2013 17:02:07 GMT

SR 99 corridor

Until mid-2015

SR 99 is reduced to two lanes in each direction between Valley and Harrison streets.

North

Until mid-2015

Mercer Street is reduced to two eastbound lanes between Fourth Avenue North and Ninth Avenue North.

Friday, May 31

Crews will close Taylor Avenue North between Denny Way and John Street from 7 a.m. to 6 p.m.

Central

Through summer 2013

South Jackson Street is reduced to one lane in each direction around the clock between First Avenue South and Second Avenue South Extension.

Saturday, June 1 – Wednesday, June 19

Crews will reduce South Jackson Street to one lane in each direction around the clock through the Sixth Avenue South intersection. Drivers and bicyclists will not be able to make left turns at the intersection.

New Traffic Configuration of SR 99 and Mercer Street Now in Effect

Mon, 20 May 2013 16:39:58 GMT

SR 99 and Mercer street are open again after a weekend closure to complete work as part of the West Phase of the Mercer Corridor project. The closure was in preparation for demolishing the east half of the SR 99 bridge over Mercer Street and widening Mercer Street between Fifth Avenue North and Dexter Avenue North.

A new configuration of SR 99 and Mercer Street is now in effect and travelers can expect the following changes to the corridor:

Mercer Street reduced to two eastbound lanes between Fourth Avenue North and Ninth Avenue North.
Local access maintained at Taylor Avenue North.
The sidewalk on the north side of Mercer Street is closed between Fifth Avenue North and Dexter Avenue North. The sidewalk on the south side of Mercer Street will remain open.
Broad Street open to two-way traffic.
SR 99 traffic shifted to the west side of the roadway between Valley and Harrison streets. Two lanes of SR 99 in each direction will remain open.
The northbound SR 99 off-ramp to Mercer Street is permanently closed. A new signalized intersection at Republican Street and Dexter Avenue North is available for northbound SR 99 traffic to reach South Lake Union.

Lane reductions on Mercer Street will continue throughout the West Phase of the Mercer Corridor Project, which is anticipated to be completed in mid-2015. Construction of this $95 million project will take approximately 2.5 years.

Lane reductions on SR 99 near the West Seattle Bridge for Spokane Street Overcrossing Project

Fri, 01 Mar 2013 19:20:40 GMT

Contractor crews for the Washington State Department of Transportation recently began work to bring down and replace an elevated section of State Route 99 just south of the West Seattle Bridge. The bridge was built as a temporary structure back in 1959 and needs to be replaced. When they finish, they’ll leave Seattle’s SODO neighborhood with a stronger concrete bridge better equipped to withstand the test of time.

In late February, crews shifted traffic to the west side of the overpass and began work to demolish and rebuild the east side. Crews will demolish and rebuild one side of the bridge at a time to keep traffic moving at reduced speed in both directions until the work is complete. Traffic will get through the work zone, which spans SR 99 between South Nevada Street and an area just south of the West Seattle Bridge, in one southbound lane and two northbound lanes. Occasional weekend closures of all lanes will be necessary. The $9.2 million construction project is scheduled to be complete in June 2014.

Construction progress tools, including traffic and detour maps, and project contact information are available on the SR 99 Spokane Street Overcrossing webpage, or go to www.wsdot.wa.gov and search “SR 99 timber bridge”.