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Sound Transit

401 South Jackson Street
Seattle, WA 98104
206.398.5000
800.201.4900
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Sound Transit
Soundt Logo 11178284

Sound Transit plans, builds and operates express bus, light rail and commuter train services. It serve the urban areas of King, Pierce and Snohomish counties.

Press Releases

Sound Transit
A Sound Transit train crossing Star Lake Station.
The 7.8-mile Federal Way Link Extension includes three new stations in South King County, Wash.
Sept. 2, 2025
257499377 © Iandewarphotography | Dreamstime.com
sound transit double decker bus
The Bus Operations and Maintenance Facility will support the Stride BRT system, including charging infrastructure for the buses.
Aug. 14, 2025
Sound Transit
A rendering of the Sound Transit Federal Way Link Extension.
The Federal Way Link Extension will add nearly eight miles to the regional light-rail system via mostly elevated tracks between the cities of SeaTac and Federal Way, Wash.
July 28, 2025
Seattle DOT
Seattle Mayor Bruce Harrell has signed new legislation that will streamline the permitting process for Sound Transit expansion to Ballard and West Seattle.
The legislation builds on an executive order Harrell issued in February 2025 to speed up delivery of the project.
July 3, 2025
Sound Transit
A rendering of the Tacoma Dome Link Extension.
The project will extend light-rail service about 10 miles from Federal Way to Tacoma, Wash., and includes four new stations.
July 1, 2025
NFI Group
four men pose in front of a blue double decker and 40 foot alexander dennis buses
Sound Transit’s first agency-owned bus operations and maintenance facility will support electrified BRT service lines on I-405 and SR 522.
May 27, 2025
Sound Transit
Sound Transit Link train.
The 3.4-mile extension will allow passengers to connect with the regional transit network at South Bellevue, Bellevue Downtown, Redmond Technology, Marymoor Village and downtown...
May 13, 2025
SDOT
Sound Transit light-rail train.
The 4.1-mile West Seattle light-rail extension will serve more than 24,000 riders a day and cut travel times from Alaska Junction to Westlake, Wash., in half.
May 1, 2025
Sound Transit
Sound Transit's wig-wag train pilot entered service on March 11.
The wig wag train features technology that is designed to improve train visibility and passenger safety along the at-grade portions of the agency’s light-rail network.
March 21, 2025
Sound Transit
BRIDGE Housing will utilize two development lots from Sound Transit to build two multi-story buildings that could provide 234 affordable homes to Bellevue residents.
BRIDGE Housing will utilize two development lots from Sound Transit to build two multi-story buildings that could provide 234 affordable homes to Bellevue residents.
March 4, 2025

Videos

Weekly Transit Update 4/8/2016
Your weekly update features BART's Fleet of the Future, rabbittransit's driver recruitment campaign, Valley Metro Bus Rodeo, Sound Transit's Northgate Link Extension and a behind...
April 9, 2016
Northgate Link Extension TBM Cutterhead Being Lifted Out of UW Retrieval Shaft
The cutterhead measures 21 ½ feet in diameter. Sound Transit’s tunneling contractor JCM Northlink will spend the next few weeks removing the 600-ton, 333-foot long machine from...
April 8, 2016

Podcasts

Ryan Curtiss
ITP Ep. 2 art
Infrastructure Technology Podcast
In the second episode of the ITP, the hosts dive into improvements in transportation infrastructure with Dr. Darcy Bullock from Purdue University and Terri Mestas from Sound Transit...

News

Siemens Mobility
A Sound Transit Link light-rail car numbered 212A displays 'SeaTac Airport' on its destination board as it sits at the SeaTac/Airport station platform at dusk, featuring the agency's blue, white, and teal livery with LED headlights illuminated.
The scope of services include track and signaling systems, traction power distribution and overhead catenary systems, supervisory control and data acquisition and light-rail vehicles...
July 16, 2026
Sound Transit
Two new Sound Transit Sounder bilevel commuter rail cars in blue, teal and white wave-pattern livery sit on a rail yard track, with an Amtrak locomotive and additional Sounder equipment visible to the left.
The Alstom cars were bought in partnership with other agencies to reduce unit price.
June 3, 2026
Sound Transit
The image displays renderings of three possible new light-rail vehicles.
The new facility will house maintenance and operations equipment and staff in support of the agency’s light- rail vehicle fleet.
March 31, 2026
Sound Transit
The image shows the new Crosslake Connection bridge over the water.
The opening marks the completion of the Link 2 Line, connecting the Eastside to Seattle with a floating transit bridge.
March 30, 2026
Sound Transit
A RapidRide bus drives through dusk.
The new Route 570 will connect downtown Seattle and SeaTac Airport with connection to King County Metro’s RapidRide A.
March 12, 2026
Sound Transit
Sound Transit has broken ground on the Stride S3 bus rapid transit line.
The BRT line will connect communities along SR 522 with battery-electric bus service from Shoreline South Station to Bothell, Wash., via Kenmore and Lake Forest Park.
March 3, 2026
ID 428139289 © Iandewarphotography | Dreamstime.com
A Sound Transit rail vehicle pulls away from a station.
The new plans aims to implement sustainability throughout, making it a central pillar to ongoing operations.
March 2, 2026
AECOM
AECOM logo.
Sound Transit has issued a total of 19 multiple-award task order contracts for the next wave of Seattle’s light rail, commuter rail and bus network.
March 2, 2026
ID 57056010 © Oliver Perez | Dreamstime.com
A King County Metro bus moves down a street.
The upgrade allows passengers to pay with a contactless payment card or digital wallet while still receiving fare-capping benefits.
Feb. 20, 2026
Brandon Lewis
Jessyn Farrell (top left), Marshall Foster (top center), Brooke Belman (top right), Joshua Schank (bottom left), Paul Kincaid (bottom center), Paola Realpozo (bottom right).
Personnel updates from around the public transit industry.
Feb. 13, 2026

Articles

Brandon Lewis
Brian Smith (top left), Steve Martingano (middle), Ronald Forrest (top right), Daphne Cross (bottom left) and Frank Annicaro (bottom right).
Personnel updates from around the public transit industry.
May 16, 2025
L.A. Metro
L.A. Metro is nearing completion of Phase 1 of the D Line Subway Extension Project.
L.A. Metro is nearing completion of Phase 1 of the D Line Subway Extension Project while Sound Transit is set to begin testing of the systems connecting the existing 1 Line into...
May 15, 2025
Brandon Lewis
Ryan McClain (left) and Dow Constantine (right).
Personnel updates from around the public transit industry.
March 28, 2025
Brandon Lewis
Hughey Newsome (top left); Julie Kirschbaum (bottom left); Victoria Baecher Wassmer (right). Not pictured: Max Glober and Donnie Horner III.
Personnel updates from around the public transit industry.
Feb. 21, 2025
Houston Metro
Houston Metro's new Missouri City Park & Ride.
Sound Transit will open two new stations on the Link 2 Line in Redmond, Wash., on May 10 while Houston Metro has opened the new Missouri City Park & Ride.
Jan. 31, 2025
Eman Abu-Khaled
GDC has appointed Thomas Prendergast as its CEO. CTA chief of staff Nora Leerhsen has been named acting CTA president. Sound Transit has appointed Nadia Anderson, Ph.D., as chief strategy officer. Brian Marshall has been named NORTA’s chief transit officer. APTA has brought on Taria Barron to serve as general counsel. NCTD has hired Adrienne Johnson to serve as the agency’s human resources director.
Personnel updates from around the public transit industry.
Jan. 17, 2025
Sound Transit
Sound Transit's Lynnwood project.
Transit expansion and electrification projects in Washington and California have expanded mobility up and down the West Coast, connecting people and communities.
Dec. 17, 2024
Sound Transit
Sound Transit’s Lynwood Link extension begins service.
The 8.5-mile extension of the 1 Line includes four stations, with trains running approximately every eight minutes.
Aug. 30, 2024
L.A. Metro
L.A. Metro's GoPass Pilot program.
L.A. Metro and Sound Transit are each working to introduce fare rates that best suit their communities.
Aug. 20, 2024
Jeff Tuzik
Stuart Grassie (right), principal, Rail Measurement Limited / Stuart Grassie Engineering Limited receives the Worth Award from Wheel Rail Seminars founder Gordon Bachinsky (left).
Grassie has worked in the railroad industry for nearly 50 years, helping railways and transit systems around the world.
July 5, 2024

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Additional content from Sound Transit

Sound Transit
On Feb. 14, Sound Transit will begin simulated testing for Link 2 Line trains before the opening of the Crosslake Connection on March 28.
Crosslake Connection is set to begin passenger service March 28 and is the final component of the 2 Line.
Feb. 12, 2026
Sound Transit
Sound Transit has broken ground on the Renton Transit Center project.
The agency will relocate and rebuild the center to better serve the regional Stride S1 line, local King County Metro services and the future RapidRide I Line.
Feb. 5, 2026
Sound Transit
A Sound Transit light-rail vehicle crosses water on a floating bridge.
The new service connects to 1 and 2 Lines while adding a first-of-its-kind floating light-rail bridge.
Jan. 26, 2026
Sound Transit
A Sound Transit bus.
The service ensures 24-hour transit access from Seattle to the airport, as the city prepares for the 2026 FIFA World Cup.
Jan. 20, 2026
Sound Transit
Sound Transit has issued a notice of intent to award to Multi-Service Center and Shelter Resources Inc. to develop approximately 230 units of affordable housing on surplus property adjacent to the Federal Way Downtown Station.
The proposed development builds on the city of Federal Way’s progress toward realizing their City Center vision.
Dec. 16, 2025
AtkinsRéalis
A Sound Transit Federal Way 1 Line Link Extension train.
The nearly eight-mile 1 Line extension adds new options to travel between Seattle, Sea-Tac Airport and Federal Way.
Dec. 9, 2025
Sound Transit
A Sound Transit Link light-rail vehicle.
The milestone allows the agency to begin a series of tests ahead of the opening of the full 2 Line in early 2026.
Sept. 12, 2025
SDOT
Sound Transit light-rail train.
The Ballard Link Extension will add 7.7 miles of light rail, connecting downtown Seattle to Ballard, while the West Seattle Link Extension will add 4.1 miles of light rail from...
Feb. 26, 2025
Sound Transit
Passengers open the GoodMaps app, select their station and receive voice, visual or haptic guidance on how to move through the station to key landmarks.
The app uses light detection and ranging mapping technology to create highly accurate 3D maps of large public spaces’ interiors.
Dec. 23, 2024
Sound Transit
Sound Transit Link train.
The selection of the route and station locations for the extension authorizes the project to move forward into the final design phase and establishes the project definition for...
Oct. 28, 2024
Sound Transit
Sound Transit Police bike unit boosts system safety with increased visibility and flexibility.
To improve police visibility in the Sound Transit system, a seven-police officer bike team will be patrolling stations and transit spaces within the Sound Transit service area...
Oct. 17, 2024
Sound Transit
Sound Transit celebrates groundbreaking on Auburn Station Parking and Access Improvements project.
The Auburn Station Parking and Access Improvements project will help to improve access to the agency’s Sounder line.
Oct. 8, 2024