Commuter train system in the Seattle, Washington, metropolitan area
Sounder
Two Sounder trainsets at Tukwila station
Overview
Owner
Sound Transit
Locale
Seattle metropolitan area
Transit type
Commuter rail
Number of lines
2
Number of stations
12
Daily ridership
7,000 (weekdays, Q4 2023)[1]
Annual ridership
1,630,000 (2023)[2]
Website
Sounder Rider Guide
Operation
Began operation
September 18, 2000 (2000-09-18) (S Line) December 26, 2003 (2003-12-26) (N Line)
Operator(s)
BNSF
Reporting marks
SDRX
Number of vehicles
14 locomotives 67 passenger cars[3]
Train length
2–7 passenger cars
Headway
N Line: 2 round trips per day S Line: 10 round trips per day
Technical
System length
81.8 mi (131.6 km)[3]
Track gauge
4 ft 8+1⁄2 in (1,435 mm) standard gauge
Top speed
79 mph (127 km/h)
System map
Legend
Line
Cascades to Vancouver, BC
Empire Builder to Chicago
Everett
Mukilteo
Edmonds
Snohomish County
King County
Seattle
Tukwila
Kent
Auburn
King County
Pierce County
Sumner
Puyallup
Tacoma Dome
South Tacoma
Lakewood
Future extension
Future extension
Tillicum
(2045)
DuPont
(2045)
Cascades to Eugene
Coast Starlight to Los Angeles
Line
This diagram:
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Sounder commuter rail (reporting mark SDRX) is a commuter rail service operated by BNSF on behalf of Sound Transit.[4] Service operates Monday through Friday during peak hours from Seattle, Washington, north to Everett and south to Lakewood. In 2023, the system had a ridership of 1,630,000, or about 7,000 per weekday as of the fourth quarter of 2023.
As of 2017[update], schedules serve the traditional peak commutes, with most trains running inbound to Seattle in the morning and outbound in the afternoon. Three daily round-trips run the reverse commute to and from Tacoma.[5] Additional Sounder trains operate on some Saturdays and Sundays for travel to and from Seahawks and Sounders games at Lumen Field and Mariners games at T-Mobile Park. Both stadiums are a short walk from King Street Station.
^"Transit Ridership Report Fourth Quarter 2023" (PDF). American Public Transportation Association. March 4, 2024. Retrieved March 14, 2024.
^"Transit Ridership Report Fourth Quarter 2023" (PDF). American Public Transportation Association. March 4, 2024. Retrieved March 14, 2024.
^ ab"Transit Development Plan 2022–2027 and 2021 Annual Report" (PDF). Sound Transit. August 25, 2022. pp. 12–14. Retrieved November 17, 2022.
^"Sounder Commuter Rail Train Specifications". Sound Transit. July 18, 2009. Archived from the original on August 2, 2009. Retrieved February 10, 2008.
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