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.

Northbound Highway 99 briefly closed due to disabled car in tunnel

Emergency crews have been dispatched, according to the Washington State Department of Transportation. Drivers should find alternate routes, such as Interstate 5.

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