The agency announced this week that live wire testing will begin in July on the floating span of Interstate 90 that stretches ...

May 27, 2025 ST starts testing on 2 Line I-90 floating bridge segment By EMMA LAPWORTH A/E Editor Photos courtesy of Sound Transit [enlarge] ...

A test train is pushed across the I-90 floating bridge from Mercer Island to Seattle on Wedneday. It marks the first of a series of tests to be conducted before the Link light rail line opens next ...

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.

There’s also a southern alternative, Seattle or Tacoma to Ellensburg, south to Yakima on Interstate 82 through Tri-Cities, US Highway 395 to its intersection with I-90 near Ritzville.

Concurrently, WSDOT stated westbound lanes on I-90 between Preston and Issaquah have been reduced to just one lane through 6 p.m. Wednesday. The 56-hour highway project started at 10 a.m. Monday.

SEATTLE – Sound Transit has discovered another construction problem with its future Seattle-to-Bellevue light-rail extension, this time on the Interstate 90 floating bridge deck.