Link light rail riders on station platform with train in background.
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Service alerts
Reroute Mar 4 - 1:25 p.m.

SR-520 Bridge Closure – both directions - Friday, March 5 at 11:00 p.m. through Monday, March 8 at 5:00 a.m.

Routes 542 & 545

Announcement Mar 3 - 2:41 p.m.

Link light rail service will be temporarily suspended between Rainier Beach and Tukwila International Boulevard stations March 6

Link light rail

Reroute Feb 8 - 6:02 p.m.

Downtown Bothell – Monday, November 2, 2020 to Friday, March 19, 2021

Route 522

Reroute Feb 8 - 6:02 p.m.

Redmond Technology Station – Service Revisions

Routes 545 & 566

Stop closure Feb 8 - 6:01 p.m.

Stop Closure - Central Ave N & 228th St

Route 566

See all Service alerts
Board and committee meetings

Join Board meetings via Webex

During this time, the Sound Transit boardroom livestream is not operating. The Board and Committees are meeting via Webex, which you can join from each meeting’s calendar event.

Rider safety

We've got you covered

Wear a mask while riding for the safety of yourself and others. Use touch-free payment: ORCA or Transit GO Ticket app. Learn more about what we’re doing to keep transit safe.

Upcoming events
Nov 16 -
Mar 31

West Seattle and Ballard Link Extension Participate Online Site

We are hard at work preparing the Draft EIS for next year. In the meantime, you…

Feb 17 -
Mar 11

SR 522/NE 145th Stride Bus Rapid Transit Online Open House

Visit our online open house now through March 11 to see design updates, learn…

Mar 5 -
Apr 19

OMF South Online Open House

Help Sound Transit plan South King County's new light rail operations and…

Mar 8

ORCA Joint Board Meeting

Please note: Due to the Governor's Stay Home – Stay Healthy Order this meeting…

Mar 11

System Expansion Committee Meeting

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

See all events
Construction crew preparing light rail concrete girders for placement.

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

Fresh pics: Lynnwood Link construction going strong

See the latest light rail construction progress photos from the Lynnwood Link project.

Fresh pics: Take a 360 photo tour of new Northgate Link light rail stations

Take a 360-degree photo tour of the three new Northgate Link stations opening later this year! No special viewer required.  

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
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.