Charlie Tidwell, PE, STP Joins Parametrix


Charlie Tidwell headshotSeattle, WA – Charlie Tidwell, PE, STP has joined Parametrix as a senior engineer and transportation project manager. He has 13 years of experience working on a wide variety of transportation improvement projects for state and local agencies in the Northwest and the Southeast, including multimodal urban arterial corridors, bus rapid transit facilities, interstates, interchanges, highways, intersections, rural roadways, bike and pedestrian facilities, and ADA accommodations.

Tidwell comes to Parametrix from HDR where he served as a transportation project manager. His recent project experience includes Sound Transit STRIDE Bus Rapid Transit, Seattle Department of Transportation RapidRide J-Line and Marion Street Pedestrian Bridge, King County Metro RapidRide I-Line, and Washington State Department of Transportation Olympic Region fish passage projects.

At Parametrix, he joins the firm’s transportation division. Based in Seattle, he will support transportation projects for state and local agencies throughout the Puget Sound region.

About Parametrix

Parametrix is a 100-percent employee-owned consulting firm helping clients deliver resilient infrastructure, livable communities, and environmentally sustainable solutions. From offices across the Western United States, our team of engineers, planners, scientists, landscape architects, surveyors, project managers, and construction managers are helping our clients imagine what’s possible and create tomorrow, together. Learn more at

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