Traffic Lab

Traffic Lab is a Seattle Times project that digs into the region’s thorny transportation issues, spotlights promising approaches to easing gridlock, and helps readers find the best ways to get around. Traffic Lab receives financial support from Pemco Mutual Insurance Company. Seattle Times editors and reporters maintain editorial control over Traffic Lab content.

Best and worst times to travel in WA this Memorial Day weekend

A little girl looks out of a car through its sunroof  as cars line up at Colman Dock in Seattle for a trip to Bainbridge Island Saturday, May 29, 2021.  Delays are expected due to heavy travel because of the Memorial Day weekend.  To get information regarding delays,  provided by the Washington State Ferries via email or text message, go to:    The alerts will keep travelers informed of conditions so drivers can plan ahead. 217276


Though travel times are not always predictable, the Washington State Department of Transportation has issued its annual holiday traffic guide with detailed charts.

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