Passengers walk next to a Sounder train
Service alerts
Elevator outage Sep 13 - 9:54 a.m.

Routes 566, 567 & Sounder South

Kent Station - East Elevator

Elevator outage Sep 11 - 7:59 a.m.

Routes 540, 541, 542, 545, 555 & 556

EB & WB stops on SR-520 at Clyde Hill/Yarrow Point Freeway Station

Elevator outage Aug 20 - 5:27 a.m.

Red Line

Southbound Platform at Mt Baker Station

Announcement Sep 16 - 6:27 p.m.

Several Routes, Sounder North & Sounder South

Service Change - Saturday, September 21

Announcement Sep 10 - 4:02 p.m.

Routes 540, 541, 542, 545, 566, 577 & 578

The 2020 Service Plan is now open for public comment.

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Upcoming events
Sep 10 -
Sep 24

Sounder South Capacity Expansion online open house

We've studied several options for adding capacity to the South Sounder line,…

Sep 13 -
Oct 4

West Seattle and Ballard Link Extensions initial assessment alternatives results

In May 2019, the Sound Transit Board directed project staff to conduct an…

Sep 17

Ready to Bid for Upcoming Projects for Small Business

Gain Access to Capital: Financials for Small/Emerging Businesses. Learn Ways to…

Sep 17

Sounder South Capacity drop-in session, Puyallup Station

Investments are coming to Sounder South: Attend a drop-in session this…

Sep 17

Sounder South Capacity drop-in session, Sumner Station

Investments are coming to Sounder South: Attend a drop-in session this…

See all events

System expansion

Planning and building fast, reliable transit regionwide

New voter-approved Link light rail, Sounder train and ST Express bus rapid transit projects are underway. Check them out and see how new service gets you to your destination faster and stress-free.

The Platform

How do you run trains across a floating bridge that moves in six directions? Here, we'll show you. 

How teenagers in Seattle are coming of age with Link light rail. 

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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