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 operates 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 19 stations in the cities of Seattle, SeaTac, and Tukwila, traveling nearly 25 miles (40 km) between Northgate and Angle Lake stations. The line connects 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.
Link light rail is a light rail rapid transit system serving the Seattle metropolitan area in the U.S. state of Washington. It is managed by Sound Transit in partnership with local transit providers, and consists of three non-connected lines: the 1 Line in King County, which travels for 26 miles (42 km) between Seattle and Seattle–Tacoma International Airport; the 2 Line in King County's Eastside region between Bellevue and Redmond; and the T Line in Pierce County, which runs for 4 miles (6.4 km) between Downtown Tacoma and Tacoma Dome Station. In 2023, the system had a ridership of 23.9 million, or about 70,600 per weekday as of the first quarter of 2024, primarily on the 1 Line. Trains run at frequencies of 6 to 24 minutes.
Lynnwood Transit Center, also known as Lynnwood TC, is a bus station and future 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.
The 2 Line, also known as the East Link Extension, is a light rail line serving the Eastside region of the Seattle metropolitan area in the U.S. state of Washington. It is part of Sound Transit's Link light rail system and runs for 6.6 miles (10.6 km) in the cities of Bellevue and Redmond. The initial segment serves eight stations between South Bellevue and Redmond Technology stations and opened on April 27, 2024. The full line is scheduled to open in 2025 and is planned to include 18 miles (29 km) from west to east and serve twelve stations in Downtown Seattle, Mercer Island, Bellevue, and Redmond. The 2 Line will continue through the Downtown Seattle Transit Tunnel and share stations with the 1 Line through to Lynnwood City Center station.
International District/Chinatown station is a light rail station that is part of the Downtown Seattle Transit Tunnel in Seattle, Washington, United States. The station is located at the tunnel's south end, at 5th Avenue South and South Jackson Street in the Chinatown-International District neighborhood, and is served by the 1 Line of Sound Transit's Link light rail system. The station is located adjacent to Sound Transit headquarters at Union Station, as well as intermodal connections to Amtrak and Sounder commuter rail at King Street Station and the First Hill Streetcar.
University of Washington station is a light rail station on the University of Washington campus in Seattle, Washington, United States. The station is served by the 1 Line of Sound Transit's Link light rail system, which connects Northgate, Downtown Seattle, and Seattle–Tacoma International Airport. University of Washington station is at the intersection of Montlake Boulevard Northeast and Northeast Pacific Street, adjacent to Husky Stadium and the University of Washington Medical Center.
U District station is a light rail station on the 1 Line of Sound Transit's Link light rail system in Seattle, Washington, United States. It is located in the University District neighborhood, near the University of Washington campus. The underground station has two entrances along Brooklyn Avenue Northeast at 43rd and 45th streets.
Roosevelt station is a light rail station located in the Roosevelt neighborhood of Seattle, Washington, United States. It is served by the 1 Line of Sound Transit's Link light rail system, which continues north to Northgate station and south to Downtown Seattle and SeaTac. The underground station consists of a single island platform connected to the surface via a mezzanine and two entrances along 12th Avenue Northeast at Northeast 65th and 67th streets.
Northgate is a light rail and bus station in the Northgate neighborhood of Seattle, Washington, United States. It is the northern terminus of the 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 1,525 vehicles.
Downtown Redmond station is a future Link light rail station on the north side of Redmond Town Center shopping mall in downtown Redmond, Washington. It will be elevated located along Cleveland Street between 164th and 166th avenues.
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.
East Main station is an at-grade light rail station in Bellevue, Washington, United States. It is served by the 2 Line, part of Sound Transit's Link light rail system, and opened on April 27, 2024.
Bellevue Transit Center (BTC) is a bus station and light rail station in Bellevue, Washington, a suburb of Seattle. It is the main transit hub for the Eastside of King County, serving 20 routes from King County Metro and Sound Transit Express. The transit center is the western terminus of the RapidRide B Line, which runs east to Redmond.
Wilburton station is an elevated Link light rail station in Bellevue, Washington, United States. It is served by the 2 Line, part of Sound Transit's Link light rail system, and opened in April 2024 as part of the line's starter segment. The station serves the area immediately east of Downtown Bellevue, including Lake Bellevue and the Overlake Hospital Medical Center.
BelRed station is an at-grade Link light rail station in the Bel-Red area of Bellevue, Washington. It opened on April 27, 2024, as part of the 2 Line, which serves several Eastside communities.
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.
Overlake Village station is a light rail station in Redmond, Washington, United States. It is at-grade station on the 2 Line, part of Sound Transit's Link light rail system. The station serves the Overlake neighborhood and its existing park and ride. Construction began on the station in 2017 and it opened on April 27, 2024.
The Spring District is a transit-oriented development and neighborhood that is under construction in Bellevue, Washington. The 16-block, 36-acre (15 ha) development is centered around the Spring District station on the East Link Extension, a light rail line in the Link light rail system. It is located in the Bel-Red area between Downtown Bellevue and Redmond, currently used for light industry, roughly bounded on the west by 120th Avenue NE and the Eastside Rail Corridor rail trail, on the north by a King County Metro bus base, on the east by 124th Avenue NE, and on the south by NE 12th Street.
