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Operations and Maintenance Facility (OMF) North

Key features

  • 80-100+ acres are required for the new OMF North facility.
  • Critical facility to support planned Sound Transit light rail expansion including Everett Link and Ballard Link Extensions to keep the system safe and clean.
  • Designed to maintain, store, and deploy 150+ light rail vehicles, with additional maintenance facility space for equipment and service vehicles.
  • Provides mainline track, systems, and station maintenance functions (Maintenance of Way).
  • OMF North is expected to support more than 500 high-skilled, living-wage jobs in Snohomish County.
  • The average employee wage is currently more than $45 per hour, or $85,000/year, at our existing OMF facilities.
  • To be designed to meet Sound Transit sustainability goal: Leadership in Energy and Environmental Design (LEED) Gold.
  • No preferred alternative was identified for OMF North.

What has changed since 2023?

During Level 2 of the Alternatives Development phases, we studied two overlapping locations for OMF Site B. Based on feedback and information we received during scoping, we refined this to one site, located slightly to the east of the options we were studying to reduce impacts to major employers.

The three Operations and Maintenance Facility alternatives, titled OMF Site B, OMF Site E, and OMF Site F, are all depicted with a purple shape to illustrate the approximately 80 acres the proposed facility requires. OMF Site B is the northernmost alternative and is located north of State Route 526 and south of Seaway Boulevard between the Southwest Everett Industrial Center and Evergreen stations. OMF Site E is located south of OMF Site B near Paine Field, east of Airport Road and South of 100th Street Southwest. OMF Site F is the southernmost alternative, located near the Airport Road station, south of Airport Road and along the western border of Evergreen Way.
The three potential sites of the OMF North facility are pictured in purple. | Click on image to enlarge
Aerial image of the OMF East property in Bellevue.
Sound Transit’s recently completed 28-acre OMF East property in Bellevue showing light rail vehicle storage tracks and almost 180,000 square feet of various required maintenance shops and other supporting facilities. | Click on image to enlarge

OMF Site B

OMF Site B would be located adjacent to the alignment along the north side of SR 526. The map shows potential lead tracks from both sides of SR 526.

OMF Site B’s location is illustrated with a purple shape. The boundaries of OMF Site B are State Route 526 to the south, 75th Street Southwest and Hardeson Road to the north, and between existing industrial properties to the east and west. Lead tracks, which allow the trains to enter and exit OMF Site B, are shown with dotted lines.
OMF Site B, located north of SR 526 and west of Hardeson Road, is shown above. | Click on image to enlarge

OMF Site E

OMF Site E would be located adjacent to the alignment along the east side of Airport Road. Lead tracks to the OMF from the main tracks are included within the shaded purple area.

OMF Site E’s location is illustrated with a purple shape. The boundaries of OMF Site E are Airport Road to the west, and 100th Street Southwest to the north.
OMF Site E, located on the northeast side of Airport Road and south of 100th Street SW, is shown above. | Click on image to enlarge

OMF Site F

OMF Site F would be located west of SR 99 at the intersection with Gibson Road. The map shows potential lead tracks from both sides of Airport Road.

OMF Site F’s location is illustrated with a purple shape. The boundaries of OMF Site F are State Route 99 to the east, and Alexander Road to the west. Lead tracks, which allow the trains to enter and exit OMF Site B, are shown with dotted lines.
OMF Site F, located west of SR 99 at the intersection with Gibson Road, is shown above. | Click on image to enlarge