Sound Transit tests light rail cars on I-90 floating bridge, a world first, aiming for early 2026 service across Lake Washington.

Right alongside these achievements is Sound Transit’s current East Link light rail project that will take passengers over the I-90 floating bridge.

Sound Transit has plenty of money to operate its existing trains and buses, but even at $4 billion per year, it might have to cut some of its future voter-approved extensions.

Sound Transit began light rail testing on the I-90 floating bridge in Seattle Wednesday. The unpowered car was pulled from the Mercer Island station to the Judkins Park station.

Laurel Trujillo was frantically running around her longtime business on Friday, preparing for a private party and the unknown.

Sound Transit image [enlarge] The finalized route includes a new elevated light-rail only bridge over the Duwamish Waterway. This conceptual rendering imagines what that might look like.

Sound Transit’s light rail trains will roll another eight miles south to Federal Way starting Saturday, Dec. 6, fulfilling a promise first made to the community nearly two decades ago. The exact time ...

Sound Transit CEO Peter Rogoff says the agency will try not to let a lawsuit by the City of Mercer Island get in the way of light rail construction.

Sound Transit has opened a month-long public comment period to get your feedback on what this line should look like, everything from potential stations to track alignment.

The West Seattle Extension is part of the ST3 plan approved by voters in 2016 — the largest infrastructure program in Seattle’s history.