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47th Avenue SW and SW Admiral Way Signal

Update: December 1, 2014

Project Description

The Seattle Department of Transportation (SDOT) is planning a project to improve the three-way intersection of 47th Avenue SW, SW Admiral Way and SW Waite Street for people walking, biking and driving. SDOT will install a new signal and additional crosswalks at this intersection to help improve the flow of traffic.

Project Elements

The project will include

  • Installing a new traffic signal
  • Adding four additional striped crosswalks
  • Upgrading six curb ramps at key corners of the intersection to be compliant with current American Disability Act (ADA) standards
  • Replacing the existing center-turn lane with left-turn-only pockets on SW Admiral Way
  • Removing minimal parking up to 50 feet from the intersection approaches on the north and south sides of 47th Avenue SW and SW Waite Street
  • Removing the existing pedestrian signal

Project Schedule and Impacts

The project recently reached the 100 percent design milestone.  Construction is scheduled to begin in early 2015 and will last for approximately 12 weeks, depending on weather conditions. The project is scheduled to be completed in the spring of 2015.

During construction, the following impacts can be expected:

  • Temporary pedestrian and bicycle detours around construction activity
  • Lane reductions or partial closures on 47th Avenue SW, SW Admiral Way and SW Waite Street

Project Outreach

SDOT is committed to engaging with the community and understanding needs in the project area. The project team will keep the community informed as the project approaches the start of construction.


February 11, 2014

Briefing to the Admiral Neighborhood Association

September 9, 2014

Briefing to the Admiral Neighborhood Association



This project is funded the Seattle’s Carpool Parking Tax and the Bridging the Gap (BTG) transportation levy, passed by voters in November 2006 and scheduled to expire in 2015.

Contact Us

If you have questions about this project or would like to be added to the project mailing list, contact Maribel Cruz at or 206-684-7963.

If you need this information translated, please call 206-733-9990.


Si usted necesita esta información traducida al español por favor llame al 206-733-9990.

Kung kailangan ninyong isalin sa Tagalog ang impormasyong ito, paki-tawag lang sa206-733-9990.

Nếu quý vị cần thông tin này chuyển ngữ sang tiếng Việt, xin gọi số 206-733-9990.

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