“As rails get hotter, what you see, especially on mainline class one tracks, is concerns about thermal expansion, which is ...

In a policy flip sure to please south-enders, light rail service could start this fall at three stations, extending to Federal Way.

A tree fell on power lines between Mountlake Terrace and Lynnwood City Center stations, according to Sound Transit.

Sound Transit’s delays could cost a quarter-billion dollars – or five times the price of Jeff Bezos’ wedding in Venice.

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