Operations and Maintenance Facility South
Maintaining the growing light rail fleet.

News and updates

Preferred alternative identified for the OMF South project: South 336th Street site

On Dec. 16, the Sound Transit Board identified the South 336th Street site as the preferred alternative for the location of the OMF South. The Board’s identification of a preferred alternative is…

Sound Transit Board identifies preferred alternative site for Operations and Maintenance Facility South

The Sound Transit Board today identified South 336th Street in Federal Way as the preferred alternative to study for a new Operations and Maintenance Facility (OMF) South located in South King County…

Summary documents from our Draft EIS comment period available online now!

Sound Transit shared materials with the Board members today to support their selection of a preferred alternative site for the OMF South at the December 16 meeting. These documents are available for…

What’s next for OMF South?

Thank you again to all who provided input this spring after we published the Draft Environmental Impact Statement on March 5! Starting in November, the Sound Transit Board will review community…

Sound Transit Board realignment action

As a project stakeholder, you’ve heard about the Sound Transit Board’s ongoing work to advance our voter-approved projects in a challenging fiscal environment.