what we do

Trails & Non-Motorized Facilities

Providing safe, convenient routes for pedestrians and bicyclists

Non-motorized facilities weave our communities together, improve livability, and promote healthy lifestyles. Parametrix designs safe spaces dedicated to people and seamless connections to places where people live, work, and play.

North Creek Trail | Parametrix
North Creek Trail 
Bothell to Everett, Washington
Client: ​​​City of Bothell

This 4-mile, multi-use trail is a key link in the regional trail system. It connects with the Sammamish River Trail to the south, future trail extensions in Snohomish County to the north, and ultimately, to the Interurban Trail in Everett. Parametrix led the trail design, which included LID features such as porous pavement, pre-fabricated pedestrian bridge, signalized crossings, and LID bioretention system. The trail has been constructed in five phases.



  • East Lake Sammamish Trail | Parametrix

    East Lake Sammamish Trail

  • Five Mile Creek Pathway | Parametrix

    Five Mile Creek Pathway

  • Non-Motorized Transportation | Parametrix

    Non-Motorized Transportation Plan

  • Lehi Bike and Pedestrian Master Plan | Parametrix

    Lehi Bike and Pedestrian Master Plan

  • North Creek Trail | Parametrix

    North Creek Trail

  • Safe Routes to Schools | Parametrix

    Safe Routes to Schools Action Plan


“I wanted to thank you and the Parametrix team for the outstanding support you have provided the County on the East Lake Sammamish Trial Project. Parametrix’s complete understanding of the controversies surrounding the East Lake Sammamish Trail Project, the complexities in dealing with multiple jurisdictions, and the difficulties with regard to constraints surrounding the County’s budget has been critical in Parametrix and the County’s ability to identify and quantify risks associated with the project’s cost and schedule.”

Gina Auld, King County