Sound to Olympics Trail


SR305 Corridor from High School Road to Winslow Way
Vicinity Map

The Sound to Olympics Trail (STO) project will provide a separated shared-use pathway along the SR305 Corridor (from High School Rd to Winslow Way). 

The project will encourage non-motorized transportation, provide ADA accessibility, improve drainage and safety features, incorporate native plantings with visual and acoustic buffers, and promote all modes of non-motorized transportation and connectivity to branch trails. 

The project will complete the “first mile” of the Sound to Olympics Trail and study potential branch trail connections. The new pathway will connect to the Ravine Creek Non-Motorized Bridge and an existing 800-foot section of the STO Trail.
STO Rendering High Resolution


  • Fall/Winter 2017 - Boardwalk Construction & Landscaping
  • Anticipate Trail opening January 2018.

May 16, 2017 Study Session
April 4, 2017 Study Session 
January 2017 - Construction Award
November 2016 - Advertisement to Bid

Contact Us

  1. Chris Munter

    Project Manager

    Ph: 206-842-2016

    Staff Directory

Contact Us

  1. Mark Epstein, PLA
    Engineering Project Manager

    PH: 206-842-2016

    Staff Directory


City staff recognized construction of the Sound to Olympic Trail would be a challenging project to retain existing vegetation due to the required width of the trail, the steep slopes and required grading, and the relatively narrow right-of-way area. Many of these requirements were necessary for the trail to be accessible to residents with all types of mobility considerations.

To balance the needs of the trail, the desire to have a trail that was accessible to all, and the desire to retain as many trees as possible, the City pursued the following additional efforts beyond normal project requirements:

  • The City commissioned additional tree survey to identify all trees over 8” dbh on the project site.
  • The design incorporates several walls to retain slopes for tree retention.
  • Before demolition began, City staff walked the entire project with the contractor to identify trees on the margins of the project that could be retained.
  • Landscape plan removes existing invasive plants and includes planting almost 300 trees as well as native shrubs and groundcovers.


n 2014, the City received notification of being awarded $1,946,250 in grant money from the federal government to construct the Sound to Olympic Trail segment from Winslow Way to High School Road. As a condition of the award the City was required to match the grant funding with $303,750 of City funds.


In September of 2014, the Non-Motorized Transportation Advisory Committee (NMTAC) met to discuss the project overview and schedule. A community meeting was held later in September where the Public Works department received public input regarding the project overview.

After the initial public meeting, the Design Team worked to develop four alternative alignments for the trail. The City directed the consultant to design the trail alignment to retain as many trees as possible.
STO Community Engagement
In October of 2014 the City invited members of the public to join City staff for a walk along SR 305 to understand the vision and potential implications of the trail project. Approximately 50 members of the community, including members of the press, joined the City for the walking event.

Later in October the NMTAC met to discuss and receive input on alternative alignments for the trail. One alternative was eliminated during that meeting. The three remaining alternative alignments were presented at a second public meeting with approximately 50 community members at City Hall on October 29, 2014.

From this public meeting, the NMTAC recommended a Preferred Option. This Preferred Option was presented to the public at an Open House in November that was attended by approximately 100 community members. At this meeting community members expressed support for the preferred trail alignment option and the overall project direction.

The City Council was presented with the results of these outreach efforts at a meeting on November 18, 2014 and approved the Preferred Option to move forward.



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