State Route 520 (SR 520) is a state highway and freeway in the Seattle metropolitan area, part of the U.S. state of Washington. It runs 13 miles (21 km) from Seattle in the west to Redmond in the east. The freeway connects Seattle to the Eastside region of King County via the Evergreen Point Floating Bridge on Lake Washington. SR 520 intersects several state highways, including Interstate 5 (I-5) in Seattle, I-405 in Bellevue, and SR 202 in Redmond.
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.
Interstate 405 (I-405) is a north–south auxiliary Interstate Highway serving the Seattle region of Washington, United States. It bypasses Seattle east of Lake Washington, traveling through the Eastside area of King and Snohomish counties, providing an alternate route to I-5. The 30-mile (48 km) freeway serves the cities of Renton, Bellevue, Kirkland, and Bothell. I-405 terminates at I-5 in Tukwila and Lynnwood, and also intersects several major highways, including SR 167, I-90, SR 520, and SR 522.
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.
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 and Snohomish County, which travels for 33 miles (53 km) between Lynnwood, 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.
Swift Bus Rapid Transit is a bus rapid transit system operated by Community Transit in Snohomish County, Washington, part of the Seattle metropolitan area. Swift consists of three routes that total over 40 miles (64 km) in length. The Blue Line, opened in 2009, runs on the State Route 99 corridor between Everett and Shoreline. The Green Line opened in 2019 and runs from the Boeing Everett Factory to Mill Creek and Bothell via State Route 527. It was followed by the Orange Line, which connects Lynnwood to Mill Creek, in 2024.
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.
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.
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.
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, 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 1,525 vehicles.
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.
The Lynnwood Link extension is a Link light rail extension traveling north from Northgate to Lynnwood in Snohomish County, Washington, United States. The 8.5-mile (13.7 km) light rail extension includes stations in Lynnwood, Mountlake Terrace, and Shoreline along Interstate 5. It is served by 1 Line when it opened on August 30, 2024, and the 2 Line in 2025. The project was funded by the Sound Transit 2 (ST2) package approved by voters in November 2008, and began construction in 2019. Ridership is expected to be 63,000 to 74,000 daily in 2035.
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 parking garage with 500 stalls. The station opened on August 30, 2024, with the rest of the 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.
NE 130th Street is a future station on Sound Transit's Link light rail system in Seattle, Washington, United States. It would be built on a section of the Lynnwood Link Extension, adjacent to the intersection of Interstate 5 and Northeast 130th Street in northern Seattle. The station was originally deferred from Lynnwood Link but restored as an infill station project under the Sound Transit 3 ballot measure, with an opening tentatively set for 2026.
Sound Transit 3, abbreviated as ST3, was a ballot measure during the November 2016 elections in Seattle, Washington, proposing an expansion of the regional public transit system. The measure was proposed by Sound Transit, which was established by a similar initiative passed in 1996 and expanded by the Sound Transit 2 vote in 2008, who have operated regional transit systems in the Seattle metropolitan area since 1999. On November 8, 2016, Sound Transit 3 was approved by over 54 percent of voters in the Puget Sound region; voters in Pierce County rejected the measure, but the measure passed in King and Snohomish counties, and had an overall majority.
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.
