The Downtown Seattle Transit Tunnel (DSTT), also referred to as the Metro Bus Tunnel, is a 1.3-mile-long (2.1 km) pair of public transit tunnels in Seattle, Washington, United States. The double-track tunnel and its four stations serve Link light rail trains on the 1 Line as it travels through Downtown Seattle. It runs west under Pine Street from 9th Avenue to 3rd Avenue, and south under 3rd Avenue to South Jackson Street. 1 Line trains continue north from the tunnel to Northgate station and south through the Rainier Valley past Seattle–Tacoma International Airport to Angle Lake station as part of Sound Transit's light rail network.
King County Metro, officially the King County Metro Transit Department and often shortened to Metro, is the public transit authority of King County, Washington, which includes the city of Seattle. It is the eighth-largest transit bus agency in the United States. In 2022, the system had a ridership of 66,022,200, or about 249,900 per weekday as of the second quarter of 2023. Metro employs 2,716 full-time and part-time operators and operates 1,540 buses.
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 25 million total passengers in 2019, with an average of nearly 80,000 daily passengers on weekdays. It runs for 20 hours per day on weekdays and Saturdays, with headways of up to six minutes during peak hours, and reduced 18-hour service on Sundays and holidays.
The South Lake Union Streetcar, officially the South Lake Union Line, is a streetcar route in Seattle, Washington, United States, forming part of the Seattle Streetcar system. It travels 1.3 miles (2.1 km) and connects Downtown Seattle to the South Lake Union neighborhood on Westlake Avenue, Terry Avenue, and Valley Street. The South Lake Union Streetcar was the first modern line to operate in Seattle, beginning service on December 12, 2007, two years after a separate heritage streetcar ceased operations.
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 three park and rides along the line, it includes 600 parking spaces in two lots.
Mount Baker station is a light rail station located in Seattle, Washington. It is situated between the Columbia City and Beacon Hill stations on the 1 Line, which runs from Seattle–Tacoma International Airport to Downtown Seattle, the University of Washington, and Northgate as part of the Link light rail system. The elevated station consists of two side platforms located west of the intersection of Rainier Avenue and Martin Luther King Jr. Way in the Mount Baker neighborhood, part of Seattle's Rainier Valley.
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.
Pioneer Square 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 3rd Avenue at James Street, between University Street and International District/Chinatown stations. It is served by the 1 Line, part of Sound Transit's Link light rail system, and provides connections to local buses and Colman Dock, a major ferry terminal serving areas west of Seattle.
University Street 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 3rd Avenue at University Street, near Benaroya Hall, and is served by Sound Transit's 1 Line. It is located between Westlake and Pioneer Square stations and has surface connections to buses operated by King County Metro and other providers.
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.
RapidRide is a network of limited-stop bus routes with some bus rapid transit features in King County, Washington, operated by King County Metro. The network consists of seven routes totaling 76 miles (122 km) that carried riders on approximately 64,860 trips on an average weekday in 2016, comprising about 17 percent of King County Metro's total daily ridership.
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.
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.
The A Line is one of seven RapidRide lines operated by King County Metro in King County, Washington. The A Line began service on October 2, 2010, running from Tukwila to Federal Way, mostly along Pacific Highway South. The northern terminus is Tukwila/International Boulevard Station. From there, riders can transfer to Sound Transit's Link light rail, the RapidRide F Line, or to other King County Metro buses that serve Burien, Tukwila, SeaTac, Georgetown, SoDo, and downtown Seattle. Its southern terminus is Federal Way Transit Center and connects riders to buses serving Tacoma, Pierce County, and Auburn. Between the termini there are a total of 13 stations plus 13 intermediate stops.
The B Line is one of seven RapidRide lines operated by King County Metro in King County, Washington. The B Line began service on October 1, 2011, running between downtown Redmond, Overlake and downtown Bellevue. The line runs mainly via NE 8th Street, 156th Avenue NE, NE 40th Street and 148th Avenue NE. Unlike most of the RapidRide lines, the B Line does not offer scheduled service during late-night and early morning hours.
The C Line is one of seven RapidRide lines operated by King County Metro in King County, Washington. The C Line began service on September 29, 2012, running between downtown Seattle, West Seattle, Fauntleroy and the Westwood Village Shopping Center in the Westwood neighborhood. The line runs mainly via Westlake Avenue, 3rd Avenue, Washington State Route 99, the West Seattle Bridge, California Avenue and Fauntleroy Way.
The E Line is one of seven RapidRide lines operated by King County Metro in King County, Washington. The E Line began service on February 15, 2014, running between Aurora Village Transit Center in Shoreline and Pioneer Square, Seattle in Downtown Seattle. The line runs mainly via Aurora Avenue N and 3rd Ave.
The Swift Blue Line is a bus rapid transit route operated by Community Transit in Snohomish County, Washington, as part of the Swift system. The Blue Line is 16.7 miles (26.9 km) long and runs on the State Route 99 and Evergreen Way corridor between Everett Station and Aurora Village Transit Center. It has 34 stations in the cities of Everett, Lynnwood, Edmonds, and Shoreline.
The RapidRide G Line is a future RapidRide bus service in Seattle, Washington, operated by King County Metro on Madison Street between Downtown Seattle and Madison Valley. The line is projected to open for service in 2024 and cost $133.4 million.
Westlake Avenue is a major street in Seattle, Washington, connecting Downtown Seattle to the neighborhoods of South Lake Union, Westlake and northeastern Queen Anne. The street runs north–south along the west side of Lake Union for 2.5 miles (4.0 km) from McGraw Square to the Fremont Bridge.
