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. Seattle Times editors and reporters maintain editorial control over Traffic Lab content.

Miracle on water: Why light rail can cross Seattle’s floating bridge

The 2 Line as it travels on the I-90 floating bridge in Seattle, Washington, on August 21, 2026. 234042

Breakthrough technologies on the I-90 floating bridge make Seattle-Bellevue light rail a landmark on par with the Space Needle, Ballard Locks and Tacoma Narrows.

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