The Washington State Department of Transportation first shared the collision at 6 a.m., soon adding that the right three lanes of westbound I-90, east of the Mt. Baker Tunnel in Seattle ...

This is the fourth of six closures for track and signal connection or maintenance in early 2025, before Sound Transit ...

An curved arrow pointing right. When Seattle decided to put in a new highway tunnel beneath the city, a machine was specially built to dig the 2-mile long, 57-foot wide project. The 6,700 ton ...

A portion of Seattle's Alaskan Way Viaduct is being replaced by a deep tunnel, and the machine purpose-built for the job is the world's largest tunnel boring machine (TBM), christened "Bertha." ...

WSDOT crews repaired an expansion joint on the ramp. SEATTLE - Maintenance crews reopened the westbound I-90 ramp to I-5 late Monday night after shutting it down for expansion joint repairs.

Washington State Department of Transportation will implement a toll as drivers make their way through the tunnel... The second phase of the Seattle Squeeze is winding down but that doesn’t mean ...

SEATTLE — Both directions of the state Route 99 tunnel will close Friday night for maintenance. Washington State Department of Transportation said its crews will start closing northbound and ...