Sound Transit (ST), officially the Central Puget Sound Regional Transit Authority, is a public transit agency serving the Seattle metropolitan area in the U.S. state of Washington. It manages the Link light rail system in Seattle and Tacoma, regional Sounder commuter rail, and Sound Transit Express bus service. The agency also coordinates the regional ORCA fare card system, which is also used by local transit operators. In 2019, Sound Transit services carried a total of 48 million passengers and averaged over 161,000 riders on weekdays.
The 1 Line, formerly Central Link, is a light rail line in Seattle, Washington, United States, and part of Sound Transit's Link light rail system. It serves 23 stations in King and Snohomish counties, traveling 33 miles (53 km) between Lynnwood City Center and Angle Lake stations. The line connects Lynnwood, Mountlake Terrace, Shoreline, the University District, Downtown Seattle, the Rainier Valley, and Seattle–Tacoma International Airport. The 1 Line carried over 26 million total passengers in 2023, with an average of nearly 80,000 daily passengers on weekdays. It runs for 20 hours per day on weekdays and Saturdays, with headways as low as six minutes during peak hours, and reduced 18-hour service on Sundays and holidays.
Everett Station is an Amtrak train station serving the city of Everett, Washington, United States. The station has provided service to the Cascades and Empire Builder routes since its opening in 2002, replacing an earlier station near the Port of Everett. The four-story building also houses social service programs and is the center of a 10-acre (4 ha) complex that includes parking lots and a large bus station used primarily by Community Transit, Everett Transit, and Sound Transit Express. The station has served as the northern terminus of the Sounder N Line since 2003 and the Swift Blue Line since 2009. It consists of two side platforms, one serving Amtrak and the other serving Sounder commuter trains. Everett Station also functions as a park and ride, with 1,067 short-term parking spaces located in lots around the station after it was expanded by Sound Transit in 2009.
The Federal Way Link Extension is a planned Link light rail extension of the 1 Line that will travel 7.8 miles (12.6 km) south from Sea-Tac Airport to Federal Way, along the west side of Interstate 5. It was approved in 2008, but scaled back in 2010 to terminate at Kent Des Moines station. The Star Lake and Federal Way Downtown stations were re-instated in 2016, with the passing of Sound Transit 3. The project began construction in 2020 and is expected to open in 2026.
Lynnwood Transit Center is a bus station and light rail station in Lynnwood, Washington. It is the largest transit hub in southwestern Snohomish County and is served by Community Transit and Sound Transit Express. The transit center also includes a parking garage with 1,670 spaces and bicycle facilities.
SeaTac/Airport station is a light rail station in SeaTac, Washington, serving Seattle–Tacoma International Airport. It is on the 1 Line between Angle Lake and Tukwila International Boulevard stations. The line, part of Sound Transit's Link light rail system, runs north from SeaTac through the Rainier Valley to Downtown Seattle and the University of Washington. The station consists of an elevated island platform east of the terminals and parking garage of the airport.
Tukwila International Boulevard station is a light rail station in Tukwila, Washington, United States. It is located between SeaTac/Airport and Rainier Beach stations on the 1 Line from Seattle–Tacoma International Airport to Downtown Seattle. The station consists of two elevated side platforms enclosed within a structure northeast of the interchange of State Route 99 and State Route 518. As one of seven park and rides along the line, it includes 600 parking spaces in two lots.
Kent station is a train station in the city of Kent, Washington, United States, served by the S Line of the Sounder commuter rail network. It is located in downtown Kent and consists of two train platforms connected via a pedestrian overpass, a parking garage, and several bus bays. The station also has 996 parking stalls and is served by King County Metro and Sound Transit Express buses. Train service to Kent began in 2001 and the station's garage opened the following year. King County Metro began service from the bus bays in 2005, after a third phase of construction. Sound Transit plans to build a second parking garage in 2027 to accommodate additional demand at the station.
Tacoma Dome Station is a train station and transit hub in Tacoma, Washington, United States. It is served by Amtrak trains, the S Line of Sounder commuter rail, the T Line of Link light rail, and buses on local and intercity routes. Located near the Tacoma Dome south of Downtown Tacoma, the station consists of two train platforms used by Sounder and Amtrak trains, a platform for the T Line, a bus terminal, and two parking garages. The Sounder station is integrated into Freighthouse Square, a former Milwaukee Road depot that was converted into a shopping mall, and is on the east side of the Amtrak station.
Westlake station is a light rail station that is part of the Downtown Seattle Transit Tunnel in Seattle, Washington, United States. The station is located under Pine Street between 3rd and 6th avenues in Downtown Seattle, near Westlake Center and Westlake Park. It is served by the 1 Line, part of Sound Transit's Link light rail system, and also connected above ground by buses at several stops, the South Lake Union Streetcar, and the Seattle Center Monorail.
Northgate is a light rail and bus station in the Northgate neighborhood of Seattle, Washington, United States, and part of 1 Line on Sound Transit's Link light rail system. The transit center, located adjacent to the Northgate Mall, has four bus bays served by 22 routes. The station also has parking for 1,475 vehicles.
South Bellevue station is an elevated light rail station located in Bellevue, Washington, United States, an eastern suburb of Seattle. It opened on April 27, 2024, as the western terminus of the 2 Line of Sound Transit's Link light rail system. The station has a park and ride garage with 1,500 stalls and bus service from King County Metro and Sound Transit Express.
Angle Lake station is a Link light rail station in SeaTac, Washington. The elevated station is the southern terminus of the 1 Line, which travels north to Seattle–Tacoma International Airport, the Rainier Valley, Downtown Seattle, and North Seattle, including the University of Washington. It also includes a large parking garage for passengers.
Lakewood station is a commuter rail station in Lakewood, Washington, United States. It is the terminus of the S Line of the Sounder commuter rail network, operated by Sound Transit in the Seattle metropolitan area. The station, located along Pacific Highway Southwest, includes a 620-stall parking garage and several bus bays served by Intercity Transit and Sound Transit Express. Lakewood station was originally scheduled to open in 2002 as part of a Sounder extension, but plans were delayed due to funding issues and the state government's work on the Point Defiance Bypass project. Construction on the $33 million station and garage began in March 2007 and it opened for use by buses on September 18, 2008. Sounder service to Lakewood began in October 2012 and the pedestrian bridge opened a few months later.
Shoreline North/185th station is a Link light rail station on the Lynnwood Link Extension serving Shoreline, Washington. The station is located in a trench on the east side of Interstate 5, on the north side of Northeast 185th Street. It includes an adjacent bus station and two-story parking garage with 360 stalls. The station opened on August 30, 2024, with the rest of the line. Shoreline North/185th station also serves as the terminus of the Swift Blue Line.
Redmond Technology station, formerly Overlake Transit Center, is a bus and light rail station in Redmond, Washington, United States. The bus station opened in 2002 adjacent to State Route 520 on the headquarters campus of Microsoft. It was served by Sound Transit Express and King County Metro, as well as Microsoft's private shuttle buses. The light rail station is the eastern terminus of the 2 Line, part of Sound Transit's Link light rail system, and opened on April 27, 2024.
Mountlake Terrace is a bus station and light rail station in Mountlake Terrace, Washington, U.S. It is served by the 1 Line of Sound Transit's Link light rail system.
Kent Des Moines station is a future station on Sound Transit's Federal Way Link Extension, part of the Link light rail system. It is to be located in western Kent, Washington near Highline College. It is scheduled to open in 2026 as part of the extension of the 1 Line to Federal Way Transit Center.
Star Lake is a future light rail station in southwestern Kent, Washington, United States. It is part of the Link light rail system, operated by Sound Transit, and is being constructed for the Federal Way Link Extension. The station will be located at the existing Star Lake Park and Ride, adjacent to the intersection of Interstate 5 and South 272nd Street.
