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

News and updates

Operations and Maintenance Facility South: Informational drop-in session

Join us at this informational drop-in session to speak with project staff about the street vacation proposal and public benefits. Visit our online open house for more details.   

Share your thoughts on potential changes to 20th Ave S for the proposed OMF South site

In 2021, the Sound Transit Board named the South 336th Street Alternative the preferred alternative (learn about the alternatives). Later this year, we expect the Board to select the project to be…

What’s happening next for OMF South?

Thanks for your comments on our environmental analysis! The comment period for NEPA Draft/SEPA Supplemental Draft EIS is closed. We'll review your comments over the next few weeks to prepare a…

Don’t forget to comment: Draft EIS public comment period ends Nov. 6. 

Thanks to everyone who attended our public hearings on Oct. 19 and Oct. 24. If you still haven’t given your input, you can comment now through Nov. 6.   Ways to comment:   Comment now…

Operations and Maintenance Facility South: NEPA Draft/SEPA Supplemental Draft EIS In-person public meeting and hearing

Join us in person at the Federal Way Performing Arts and Events Center to learn more about the OMF South project and provide new comments.

Operations and Maintenance Facility South: NEPA Draft/SEPA Supplemental Draft EIS online public meeting and hearing

Join us online on Zoom to learn more about the OMF South project and provide new comments. Join the meeting Meeting Passcode: 414187

Upcoming OMF South public hearings

As part of the OMF South project’s NEPA Draft / SEPA Supplemental Draft EIS comment period, we are holding two public hearings to collect verbal comments on the project. The details of these hearings…

Provide comments: OMF South NEPA Draft EIS 2023

Sound Transit, alongside the Federal Transit Agency (FTA), recently published the National Environmental Protection Act (NEPA) Draft / State Environmental Policy Act (SEPA) Supplemental Draft…

More environmental review ahead for OMF South

An additional environmental review is underway for the Operations and Maintenance Facility South. Sound Transit published a Draft Environmental Impact Statement in 2021, under the State…

Final EIS update

We expected to publish the Final Environmental Impact Statement under the State Environmental Policy Act (SEPA) for the Operations and Maintenance Facility (OMF) South by the end of this year. …