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Posted on: December 9, 2022

PSE reports supply chain delay as cause for work halting at SE 136th St. and 436th Ave. Roundabout

City update infographic

Earlier this year, preparations were put into place to construct a privately funded roundabout (RAB) at the intersection of 436th Avenue SE and SE 136th Street, just north of I-90 Exit 32.  

Crews from Greystar continued work on the RAB, with utility installation and relocation work expected to be completed by Puget Sound Energy (PSE). While this portion of the project was originally anticipated to be complete by late summer 2022, PSE continues to communicate to the City that work is temporarily on hold due to a national supply chain issue involving one crucial part needed to complete PSE utilities work that is contained within the future travel lane of 436th Avenue.

PSE assures the City that they are working hard to locate a replacement. Currently, PSE does not have an estimated date to complete their work on the RAB.

Once PSE completes its installation, concrete pouring for the curbs and will be scheduled.  The final pavement lift will follow, along with importing of soil, landscaping, paint striping, and signage.

The purpose of the RAB is to mitigate potential future traffic impacts in connection with the River Run Apartment project, located northeast of the new RAB. River Run will consist of 128 units in 11 buildings, with one additional building containing a clubhouse/office space. Approximately 28 of the new apartments will be designated as affordable housing for households earning 80% or less of the King County Area Median Income (AMI).

The City apologizes for any inconveniences caused by this project and thanks residents for their patience and understanding. For construction-related questions, please contact Brian Tucker, Development Project Manager, at All other inquiries should be directed to Senior Planner, Jamie Burrell, at

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