A Sound Transit express bus on the freeway with the Seattle sports stadiums in the distance.
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Service alerts
Partial service Oct 2 - 9:17 p.m.

ST Express individual trip cancelations - Sunday 10/2

Route 512

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

T Line Closed | Free Shuttle Buses Available

T Line

Delay Oct 2 - 5:16 p.m.

S Line Special Event Train | Significant Delays

S Line

Reroute Sep 30 - 7:37 p.m.

Downtown Tacoma | 9/30 - 10/3

Route 574

Reroute Sep 28 - 4:16 p.m.

SR-520 Bridge Closure | 9/30 - 10/2

Routes 542 & 545

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Upcoming events
Oct 4

Sound Transit Citizens Accessibility Advisory Committee

Founded in 1999, the Citizens Accessibility Advisory Committee (CAAC) provides…

Oct 6

Executive Committee Meeting

The Executive Committee's responsibilities include oversight and review of…

Oct 6

Rider Experience & Operations Committee Meeting (Rescheduled)

The Rider Experience and Operations Committee oversees the agency's operating…

Oct 12

Community Oversight Panel Meeting

Monitoring Sound Transit’s performance in meeting its public commitments. Learn…

Oct 13

System Expansion Committee Meeting

The System Expansion Committee oversees projects that expand transit options in…

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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

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. 

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!

Read more blog posts
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