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South Washington Street Infrastructure Improvement

Starting as early as August 1, a Seattle City Light crew will be working in Pioneer Square to repair and connect electrical conduits. This work will enhance the electrical system's reliability and reduce the likelihood of unplanned power outages.

Starting as early as August 1, 2017, Seattle City Light crews will begin a project to maintain the electrical reliability in the Pioneer Square area by connecting and repairing underground conduits. The work will start on South Washington Street west of the alley between First Avenue South and Alaskan Way South (Stage 1). At Stage 2, the work will occur in the intersection of South Washington Street and Alaskan Way South. This work will reduce the likelihood of unplanned power outages.

Map of the project during Stage 1

Map of construction work during Stage 2 of the project. Only one half of the intersection will be worked on at a time.

Impacts and Mitigation Details:

During stage one,  there will be local access only onto South Washington Street and only from 1st Avenue South.

During stage two, traffic will be reduced to one lane in both directions on Alaskan Way South and west bound only on South Washington Street. Bike lanes will be closed when crews are working on the east side of the intersection. Bicyclists will need to merge with traffic in the work zone.

In both stage one and two, in order to promote safety and accommodate equipment, parking will be closed from 9 a.m. to 3 p.m. week days and 9 a.m. to 6 p.m. weekends (intermittent). Two or more spaces will be taken overnight on South Washington Street to stage equipment.

Uniformed police officers will be on site during both stages and at all times to assist with local traffic, load/unload issues, and pedestrian access.

Schedule and More Information:

The project’s planned start date is as early as August 1, 2017, and is estimated to last until fall of 2017. Daily work hours are Monday to Friday, 9 a.m. to 3 p.m., and intermittent weekend work from 9 a.m. to 6 p.m.

Visit Seattle City Light’s construction website for the latest updates on this project: South Washington Street Infrastructure Improvement or contact Michael Danielsen, Project Manager at 206-684-3907 or