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Sound Transit

401 South Jackson Street
Seattle, WA 98104
206.398.5000
800.201.4900
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More Info on Sound Transit

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

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
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
The legislation builds on an executive order Harrell issued in February 2025 to speed up delivery of the project.
July 3, 2025
The project will extend light-rail service about 10 miles from Federal Way to Tacoma, Wash., and includes four new stations.
July 1, 2025
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
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
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
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
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

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
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

When complete, the 4.1-mile West Seattle light-rail extension will connect the SODO Station to Alaska Junction Station.
Aug. 27, 2026
The Sound Transit Board in May adopted an updated ST3 System Plan to bring the agency’s long-term financial outlook into balance.
Aug. 4, 2026
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
The Alstom cars were bought in partnership with other agencies to reduce unit price.
June 3, 2026
The new facility will house maintenance and operations equipment and staff in support of the agency’s light- rail vehicle fleet.
March 31, 2026
The opening marks the completion of the Link 2 Line, connecting the Eastside to Seattle with a floating transit bridge.
March 30, 2026
The new Route 570 will connect downtown Seattle and SeaTac Airport with connection to King County Metro’s RapidRide A.
March 12, 2026
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
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

Articles

Personnel updates from around the public transit industry.
May 16, 2025
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
Personnel updates from around the public transit industry.
March 28, 2025
Personnel updates from around the public transit industry.
Feb. 21, 2025
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
Personnel updates from around the public transit industry.
Jan. 17, 2025
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
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 and Sound Transit are each working to introduce fare rates that best suit their communities.
Aug. 20, 2024
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

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
Personnel updates from around the public transit industry.
Feb. 13, 2026
Crosslake Connection is set to begin passenger service March 28 and is the final component of the 2 Line.
Feb. 12, 2026
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
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
The proposed development builds on the city of Federal Way’s progress toward realizing their City Center vision.
Dec. 16, 2025
The nearly eight-mile 1 Line extension adds new options to travel between Seattle, Sea-Tac Airport and Federal Way.
Dec. 9, 2025
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
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
The app uses light detection and ranging mapping technology to create highly accurate 3D maps of large public spaces’ interiors.
Dec. 23, 2024
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