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6/28/2024
Sound Transit’s board has chosen the South 336th Street site in Federal Way, Washington, as the future location of the Operations and Maintenance Facility (OMF) South, where Link light-rail trains will be stored and maintained.
The OMF, which the board identified in 2021 as the preferred alternative in an environmental study, will be used as part of future Link service in Pierce County and South King County. The site also will contain a test track for 24-hour conditioning and testing of new light-rail vehicles.
"Siting the Operations and Maintenance Facility South marks another major milestone for Sound Transit as we advance the most ambitious transit expansion in the nation, bolstering service throughout Central Puget Sound," said King County Executive and Sound Transit Chair Dow Constantine in a press release.
When completed, OMF South will service about 144 light rail vehicles for train cleaning and repairs and include the 1.4-mile connecting track from the Federal Way Link Extension to the site. The tracks are expected to be used by the future Tacoma Dome Link Extension that is currently undergoing environmental review.
The project will now advance to final design work and construction. The board has identified a target in-service date of 2029, and actions are being taken to accelerate the current schedule to achieve that date.