A Sound Transit express bus on the freeway with the Seattle sports stadiums in the distance.
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Service alerts
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Partial service Sep 19 - 3:23 p.m.

ST Express trip cancellations | Sep 19

Routes 545, 556, 566, 578 & 590

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Bus bridge Sep 15 - 4:55 p.m.

T Line Closed | Free Shuttle Buses Available

T Line

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Reroute Sep 16 - 7:07 p.m.

ST Express Route 510 | Reroute

Route 510

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Reroute Sep 16 - 5:35 a.m.

ST Express Route 554 | Reroute

Route 554

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Announcement Jul 25 - 5:52 p.m.

King Street Station | South Stairwell is closed until further notice

N Line & S Line

See all Service alerts
Ride Smart, Ride Safe

Welcome to Rail Safety Week

Come learn about Rail Safety week with Sound Transit. This week, we’re giving you the tools to stay safe around trains.

Changes that affect my ride

September service changes

We reinstated our Sounder S-Line midday trip as part of our September service changes.

Board and committee meetings

Join Board meetings via Webex

The Board and Committees are meeting in the Ruth Fisher Board Room and via WebEx, which you can join from each meeting's calendar event.

Reduced Fares

See if you qualify for a reduced fare

Upcoming events
Sep 21

Regional Contracting Forum

The 2022 Regional Contracting Forum, will be Sept. 21, 2022 at Muckleshoot…

Sep 22

Board of Directors Meeting

The Board establishes policies and gives direction and oversight. It is…

Sep 25

Seahawks vs. Atlanta Falcons

Ride Sounder to cheer on our hometown team at Lumen Field. Sounder Train…

Sep 28

Everett Link Extension: Elected Leadership Group Meeting #5

The Everett Link Extension (EVLE) adds six Snohomish County stations to the…

Oct 2

Mariners vs. Oakland Athletics

Ride Sounder to cheer on the Seattle Mariners at T-Mobile Park. Inbound…

See all events
A worker at a Sound Transit construction site.

System expansion

Planning and building fast, reliable transit

New voter-approved Link light rail, Sounder train and ST Express bus rapid transit projects are underway. See how this new service can get you to your destination.

The Platform

Plan ahead for upcoming 1 Line maintenance

As we prepare for 33 miles of new light rail extensions, critical maintenance and system upgrades will cause some 1 Line disruptions, including longer waits for trains and some bus shuttles temporarily replacing train service. 

Park and ride: New secure bike parking lockers headed to a station near you!

We're rolling out hundreds of new on-demand bike lockers at stations throughout the region. Find out how you securely park your bike for pennies and take the train or bus from there!

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Read The Platform
Get to know us

Who we are

We're connecting more people to more places. Learn about the mission and values that drive Sound Transit employees everyday.

Now hiring!

We are looking for people to help us plan, build and operate one of the largest regional transit systems in the country.

Procurement and contracts

Find open solicitations and learn more about how your business can work with Sound Transit.
Learn more about Sound Transit
Learn more about Sound Transit
Did you know?

Our buses and trains are fully accessible

From paying your fare and navigating stations to boarding and riding transit vehicles, we've designed Sound Transit to be accessible for all.