Please note: Sound Transit did not create nor does it maintain any of the sites listed below. If you have questions or comments about these sites, please contact the Webmaster of each site directly. Contact Sound Transit here>>>
Transit Partners
Services on ST Express regional bus and Sounder commuter rail are provided through a contract with these transportation agencies:
Transportation Agencies and Organizations
Sound Transit works closely with local, state, and national agencies and organizations:
- Federal Transit Administration
- American Public Transportation Association
- Amtrak Cascades
- Washington State Department of Transportation
- The Regional Transportation Investment District (RTID)
- Urban Mobility Group
- Regional Public Information Network
- Puget Sound Regional Council
- Seattle Streetcar (South Lake Union)
- Everett Transit
Local Jurisdictions
Links to Cities, Counties and other jurisdictions in Washington State can be found online:










