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Road Services Division Capital Improvement Program (CIP)

February 1, 2021 - We are in the process of reworking this website. The project information contained here may not be comprehensive or up-to-date. Thank you for your patience, we should have a new site available soon. More project info.

218th Avenue SE Reconstruction

Project No.:  1136086
Project limits:  218th Avenue SE
Project type:  Road Reconstruction/Preservation
Thomas Bros. Map No.:  747H6

Project description

To reconstruct 1.36 miles of 218th Avenue SE from SE Auburn Black Diamond Road to SE Green Valley Road. This includes excavating and replacing the roadway base, rebuilding the road with required drainage, and overlaying and striping the road, including the shoulder area.

Why is King County doing this project?

This section of roadway is ranked on the Rehab / Reconstruction Priority Array. Located just west of the City of Black Diamond, 218th Avenue SE is a Tier 2 road, and a King County lifeline and evacuation route. The road runs north to south, and connects with SE Auburn Black Diamond Road on the north and SE Green Valley Road on the south. It offers travelers from Black Diamond access to urban centers to the west.

Project management phase:  Intermediate Design

Status as of July 6, 2020

Phase 3 - Intermediate Design


Adopted Capital Improvement Program & program overview

The Road Services Division Capital Improvement Program (CIP) contains all design and construction and studies for improvements on roads, bridges or transportation facilities in the unincorporated areas of King County.

Vicinity map

Vacinity map