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Sounder commuter rail

Updated: Wikipedia source

Sounder commuter rail

Sounder (reporting mark SDRX) is a commuter rail system that serves the Seattle metropolitan area in the U.S. state of Washington. Managed by Sound Transit, it uses 82 miles (132 km) of tracks, primarily owned by operator BNSF Railway, and runs with equipment maintained by Amtrak. Sounder is split into two lines that intersect at King Street Station in Seattle: the N Line to Everett and the S Line to Tacoma and Lakewood. Trains typically operate during peak periods, with morning trips to Seattle and afternoon trips to outlying suburbs. Limited mid-day service is offered on the S Line, and both lines offer special weekend trips for sporting events and other major events. Sounder has 12 stations that connect with Link light rail as well as local and regional bus systems. Most also provide park-and-ride facilities, bicycle lockers, and other amenities. Fares are paid using ORCA cards, paper tickets, and mobile ticketing apps, and validated through proof-of-payment checks. In 2024, the system carried a total of 1.9 million passengers, or an average of 7,300 on weekdays. The commuter rail system was preceded by mainline passenger railroad services that began in the late 19th century and two interurban railways that connected Seattle to Everett and Tacoma in the early 20th century. The Municipality of Metropolitan Seattle (now King County Metro) led studies into a modern commuter rail system in the 1980s that were later transferred to the Regional Transit Authority (now Sound Transit), created in 1993. A demonstration service from Everett to Tacoma ran in early 1995, ahead of an unsuccessful ballot measure to fund a regional transit system. A second ballot measure, Sound Move, was passed by voters in November 1996. Sounder was among the first Sound Transit projects to be launched and construction on its stations began in 1998. The South Line (now the S Line) entered service on September 18, 2000, and was followed by the North Line (now the N Line) on December 26, 2003. Additional trips on both lines were launched in the 2000s after a series of signal and track improvements were completed by Sound Transit and BNSF. The South Line was extended from Tacoma to Lakewood in October 2012 and debuted the first mid-day Sounder trips in 2016. Both lines were rebranded in 2021. An extension of the S Line to DuPont was funded by the Sound Transit 3 package in 2016 and is expected to open in 2045.

Infobox

Owner
Sound Transit
Locale
Seattle metropolitan area
Transit type
Commuter rail
Number of lines
2
Number of stations
12
Daily ridership
7,341 (2024)
Annual ridership
1,916,429 (2024)
Website
soundtransit.org
Began operation
September 18, 2000; 25 years ago (2000-09-18)
Operator(s)
BNSF Railway
Reporting marks
SDRX
Number of vehicles
14 locomotives, 78 cars
Train length
2–7 passenger cars
System length
81.8 miles (131.6 km)
Track gauge
mw- 4 ft 8 1⁄2 in (1,435 mm) (standard gauge)
Top speed
79 mph (127 km/h)
System map
System map Show interactive map Map of the central Seattle metropolitan area with Sounder highlighted in black Show static map html } } Legend Line Cascades to Vancouver, BC Empire Builder to Chicago Everett Mukilteo Edmonds Snohomish CountyKing County Seattle Tukwila Kent Auburn King CountyPierce County Sumner Puyallup Tacoma Dome South Tacoma Lakewood Future extension Future extension Tillicum (2045) DuPont (2045) Cascades to EugeneCoast Starlight to Los Angeles Line All stations are accessible .inline, .inline dl, .inline ol, .inline ul, dl dl, dl ol, dl ul, ol dl, ol ol dd dd dd , dd dt , dd li , dt dd , dt dt , dt li , li dd dd dd , dd dt , dd li , dt dd , dt dt , dt li , li dd dd ol li } }This diagram: viewtalkedit Show route diagram

Tables

mw- Sounder stations · Stations
Lakewood
Lakewood
Station
Lakewood
County
Pierce
Began service
October 8, 2012
Annual ridership(2024)
50,168
South Tacoma
South Tacoma
Station
South Tacoma
County
October 8, 2012
Began service
21,894
Tacoma Dome
Tacoma Dome
Station
Tacoma Dome
County
September 18, 2000
Began service
145,427
Annual ridership(2024)
Link light rail: T Line Amtrak: Cascades, Coast Starlight
Puyallup
Puyallup
Station
Puyallup
County
February 5, 2001
Began service
153,893
Sumner
Sumner
Station
Sumner
County
September 18, 2000
Began service
95,835
Auburn
Auburn
Station
Auburn
County
King
Began service
September 18, 2000
Annual ridership(2024)
133,575
Kent
Kent
Station
Kent
County
February 5, 2001
Began service
157,906
Tukwila
Tukwila
Station
Tukwila
County
March 12, 2001
Began service
56,000
Annual ridership(2024)
Amtrak: Cascades
King Street–Seattle
King Street–Seattle
Station
King Street–Seattle
County
September 18, 2000
Began service
699,722
Annual ridership(2024)
Link light rail: 1 Line Amtrak: Cascades, Coast Starlight, Empire Builder
Edmonds
Edmonds
Station
Edmonds
County
Snohomish
Began service
December 23, 2003
Annual ridership(2024)
18,110
Transfers and connections
Amtrak: Cascades, Empire Builder Washington State Ferries
Mukilteo
Mukilteo
Station
Mukilteo
County
May 31, 2008
Began service
8,716
Annual ridership(2024)
Washington State Ferries
Everett
Everett
Station
Everett
County
December 23, 2003
Began service
15,840
Annual ridership(2024)
Amtrak: Cascades, Empire Builder
Station
County
Began service
Annual ridership(2024)
Transfers and connections
Lakewood
Pierce
October 8, 2012
50,168
South Tacoma
October 8, 2012
21,894
Tacoma Dome
September 18, 2000
145,427
Link light rail: T Line Amtrak: Cascades, Coast Starlight
Puyallup
February 5, 2001
153,893
Sumner
September 18, 2000
95,835
Auburn
King
September 18, 2000
133,575
Kent
February 5, 2001
157,906
Tukwila
March 12, 2001
56,000
Amtrak: Cascades
King Street–Seattle
September 18, 2000
699,722
Link light rail: 1 Line Amtrak: Cascades, Coast Starlight, Empire Builder
Edmonds
Snohomish
December 23, 2003
18,110
Amtrak: Cascades, Empire Builder Washington State Ferries
Mukilteo
May 31, 2008
8,716
Washington State Ferries
Everett
December 23, 2003
15,840
Amtrak: Cascades, Empire Builder
Total ridership on Sounder by year · Service and operations › Ridership
2000
2000
Year
2000
Ridership
89,552
2001
2001
Year
2001
Ridership
562,386
528.3%
2002
2002
Year
2002
Ridership
672,495
19.6%
2003
2003
Year
2003
Ridership
751,200
11.7%
2004
2004
Year
2004
Ridership
955,298
27.2%
2005
2005
Year
2005
Ridership
1,268,291
32.8%
2006
2006
Year
2006
Ridership
1,692,971
33.5%
2007
2007
Year
2007
Ridership
2,156,652
27.4%
2008
2008
Year
2008
Ridership
2,668,623
23.7%
2009
2009
Year
2009
Ridership
2,492,362
-6.6%
2010
2010
Year
2010
Ridership
2,364,290
-5.1%
2011
2011
Year
2011
Ridership
2,543,955
7.6%
2012
2012
Year
2012
Ridership
2,811,891
10.5%
2013
2013
Year
2013
Ridership
3,035,735
8%
2014
2014
Year
2014
Ridership
3,361,317
10.7%
2015
2015
Year
2015
Ridership
3,851,888
14.6%
2016
2016
Year
2016
Ridership
4,162,641
8.1%
2017
2017
Year
2017
Ridership
4,445,568
6.8%
2018
2018
Year
2018
Ridership
4,646,271
4.5%
2019
2019
Year
2019
Ridership
4,616,656
-0.6%
2020
2020
Year
2020
Ridership
1,274,219
-72.4%
2021
2021
Year
2021
Ridership
734,481
-42.4%
2022
2022
Year
2022
Ridership
1,269,923
72.9%
2023
2023
Year
2023
Ridership
1,755,751
38.3%
2024
2024
Year
2024
Ridership
1,916,429
9.2%
Year
Ridership
2000
89,552
2001
562,386
528.3%
2002
672,495
19.6%
2003
751,200
11.7%
2004
955,298
27.2%
2005
1,268,291
32.8%
2006
1,692,971
33.5%
2007
2,156,652
27.4%
2008
2,668,623
23.7%
2009
2,492,362
-6.6%
2010
2,364,290
-5.1%
2011
2,543,955
7.6%
2012
2,811,891
10.5%
2013
3,035,735
8%
2014
3,361,317
10.7%
2015
3,851,888
14.6%
2016
4,162,641
8.1%
2017
4,445,568
6.8%
2018
4,646,271
4.5%
2019
4,616,656
-0.6%
2020
1,274,219
-72.4%
2021
734,481
-42.4%
2022
1,269,923
72.9%
2023
1,755,751
38.3%
2024
1,916,429
9.2%
Active Sounder rolling stock[301][302] · Rolling stock
Locomotives
Locomotives
Type
Locomotives
Model
EMD F59PHI
No.
901–911
Qty.
11
Year
1999–2001
Notes
Engines were rebuilt to meet updated fuel emissions standards
MotivePower MP40PH-3C
MotivePower MP40PH-3C
Type
MotivePower MP40PH-3C
Model
921–923
No.
3
Qty.
2012
Year
Cab cars
Cab cars
Type
Cab cars
Model
Bombardier BiLevel cab car
No.
101–111
Qty.
11
Year
1999–2001
301–307
301–307
Type
301–307
Model
7
No.
2003
321–329
321–329
Type
321–329
Model
9
No.
2017
Qty.
330–332
330–332
Type
330–332
Model
3
No.
2022
Coaches
Coaches
Type
Coaches
Model
Bombardier BiLevel Coach
No.
201–240
Qty.
30
Year
1999–2003
Notes
Passenger cars 219–226 and 229–230 were sold to Caltrain in 2001.
401–410
401–410
Type
401–410
Model
10
No.
2003
411–418
411–418
Type
411–418
Model
8
No.
2022
Type
Model
No.
Qty.
Year
Image
Notes
Locomotives
EMD F59PHI
901–911
11
1999–2001
Engines were rebuilt to meet updated fuel emissions standards
MotivePower MP40PH-3C
921–923
3
2012
Cab cars
Bombardier BiLevel cab car
101–111
11
1999–2001
301–307
7
2003
321–329
9
2017
330–332
3
2022
Coaches
Bombardier BiLevel Coach
201–240
30
1999–2003
Passenger cars 219–226 and 229–230 were sold to Caltrain in 2001.
401–410
10
2003
411–418
8
2022

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    https://www.newspapers.com/article/the-news-tribune-sound-transit-makes-his/162301692/
  134. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-kent-parking-garage-in/168175860/
  135. Seattle Post-Intelligencer
  136. Seattle Post-Intelligencer
  137. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-seattle-sound-transit/168176450/
  138. Seattle Post-Intelligencer
  139. Seattle Post-Intelligencer
  140. Seattle Post-Intelligencer
  141. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sound-transit-reaches-d/161340357/
  142. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-commuter-train-struts-i/161339432/
  143. "First set of Sounder commuter trains arrive in Seattle"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/first-set-sounder-commuter-trains-arrive-seattle
  144. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-tickets-ready-feb-22/168250784/
  145. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-carefree-car-free-trip/168176784/
  146. The Seattle Times
  147. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-all-aboard-sounder-cre/121760376/
  148. The Seattle Times
  149. Seattle Post-Intelligencer
  150. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-dont-clam-up-citizens/168177011/
  151. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-puyallup-may-be-left-at/121760339/
  152. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-puyallup-kent-gain-sou/121759943/
  153. Seattle Post-Intelligencer
  154. The Seattle Times
    https://web.archive.org/web/20021201122149/http://seattletimes.nwsource.com/html/localnews/134586258_sounder29m0.html
  155. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sounder-train-adding-th/168239384/
  156. Seattle Post-Intelligencer
    https://www.seattlepi.com/news/article/commuter-rail-s-costs-rise-promises-fade-1085350.php
  157. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-making-connections-pas/161341008/
  158. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-sound-promises/168247647/
  159. The Seattle Times
  160. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sound-transit-wants-to/162544623/
  161. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-sound-transit-wins-cour/170203982/
  162. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-everett-seattle-rail-p/168249325/
  163. "Sound Transit Motion No. M2000-05 Background and Comments"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2000/Motion%20M2000-05.pdf
  164. "Sound Transit Resolution No. R2001-06"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2001/Reso%20R2001-06.pdf
  165. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-everetts-got-a-ticket/150548746/
  166. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-sound-transit-talks-con/168249406/
  167. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-commuter-train-finally/168248245/
  168. The Seattle Times
  169. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-sounder-pleases-crowd/144148617/
  170. The Seattle Times
    https://archive.seattletimes.com/archive/20031222/sounder22m0/sounder-train-opens-everett-seattle-route
  171. Seattle Post-Intelligencer
    https://www.seattlepi.com/local/transportation/article/everett-sounder-reaches-its-next-destination-1132810.php
  172. The Seattle Times
    https://archive.seattletimes.com/archive/20040401/soundercost01m/sounder-train-is-low-on-riders-high-on-cost
  173. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-a-year-later-not-all-a/162301587/
  174. The Seattle Times
    https://web.archive.org/web/20070616124057/http://seattletimes.nwsource.com/html/localnews/2002717431_sounder03m.html
  175. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-new-train-trip-added/168252993/
  176. The Everett Herald
    https://www.newspapers.com/article/the-daily-herald-more-bus-and-train-opti/168253093/
  177. The Everett Herald
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  178. Seattle Post-Intelligencer
    https://www.seattlepi.com/local/transportation/article/transit-official-fuming-over-delays-in-expansion-1152139.php
  179. "Sound Transit, BNSF completing massive track and signal project"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-bnsf-completing-massive-track-signal-project
  180. The News Tribune
  181. The Seattle Times
    https://archive.seattletimes.com/archive/20060821/sounder21m/sounder-commuter-rail-facing-growing-pains
  182. The Seattle Times
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  183. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sounder-looks-to-future/168405030/
  184. The Columbian
    https://www.newspapers.com/article/the-columbian-many-sounder-riders-contin/162534380/
  185. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-easier-commute-on-the-w/168405527/
  186. The Seattle Times
    https://www.seattletimes.com/seattle-news/sound-transit-to-launch-its-first-morning-train-to-tacoma/
  187. "Sound Transit 2: Making Connections"
    https://web.archive.org/web/20071216073014/http://www.soundtransit.org/Documents/pdf/st2/ST2Plan_08_07.pdf
  188. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-new-train-station-in-su/168619463/
  189. The Seattle Times
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  190. "Sound Transit 2: A Mass Transit Guide"
    https://www.soundtransit.org/sites/default/files/documents/st2_plan_web.pdf
  191. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-new-measure-ends-up-cos/168624191/
  192. "2018 Service Implementation Plan"
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  193. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sounder-a-long-time-com/161463644/
  194. "Sound Transit breaks ground on new Lakewood Station, providing new connections for Pierce County"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-breaks-ground-new-lakewood-station-providing
  195. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-one-step-closer-to-lake/168406571/
  196. "Sound Transit takes ownership of Tacoma to Lakewood rail line"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-takes-ownership-tacoma-to-lakewood-rail-line
  197. The News Tribune
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  198. The News Tribune
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  199. The News Tribune
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  200. Mann (2013), pp. 86–88
  201. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sounder-to-increase-tri/168627956/
  202. "Sound Transit expands Sounder south service"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-expands-sounder-south-service
  203. Seattle Post-Intelligencer
    https://www.seattlepi.com/seattlenews/article/sound-transit-must-cut-back-south-king-hurt-most-890010.php
  204. The Everett Herald
    https://web.archive.org/web/20160304055912/http://www.heraldnet.com/article/20110713/NEWS01/707139870
  205. The Everett Herald
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  206. Tukwila Reporter
    https://web.archive.org/web/20180223051425/http://www.tukwilareporter.com/news/tukwila-is-south-king-countys-key-transportation-hub/
  207. "Sound Transit Motion No. M2013-72"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2013/Motion%20M2013-72.pdf
  208. "New Amtrak Cascades trains to roll between Seattle and Bellingham beginning Friday, May 31"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/new-amtrak-cascades-trains-to-roll-between-seattle
  209. "Temporary Seattle-Bellingham Amtrak Cascades Service Ends as I-5 Reopens"
    https://web.archive.org/web/20131127132831/http://www.amtrak.com/ccurl/265/167/Amtrak-Cascades-SEA-BEL-Service-ATK-13-062.pdf
  210. The Everett Herald
    https://www.heraldnet.com/news/sounder-to-pull-cars-from-north-line-send-them-south/
  211. The News Tribune
    https://www.thenewstribune.com/news/local/article100760162.html
  212. The News Tribune
    https://www.thenewstribune.com/news/local/article170516822.html
  213. The News Tribune
    https://www.thenewstribune.com/news/local/traffic/article81242772.html
  214. The News Tribune
    https://www.thenewstribune.com/news/local/traffic/article130439844.html
  215. The Everett Herald
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  216. The Everett Herald
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  217. The Seattle Times
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  218. "Work starts on landslide solutions for Pacific Northwest Rail Corridor"
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  219. "Rail – Corridor Reliability Supplemental Work"
    https://web.archive.org/web/20170118200652/http://www.wsdot.wa.gov/Projects/Rail/slidemanagement/
  220. "BNSF Railway and state doing more to stop mudslides"
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  221. The Seattle Times
    https://www.seattletimes.com/seattle-news/transportation/sound-transit-to-reduce-rail-bus-service-due-to-coronavirus-outbreak/
  222. The Seattle Times
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  223. The Seattle Times
    https://www.seattletimes.com/seattle-news/transportation/local-transit-systems-make-slow-return-to-charging-fares-as-coronavirus-restrictions-ease/
  224. Kent Reporter
    https://www.kentreporter.com/news/sound-transit-to-increase-service-on-link-light-rail-sounder-train/
  225. The Platform
    https://www.soundtransit.org/blog/platform/heads-temporary-changes-to-sounder-s-line
  226. Seattle Post-Intelligencer
    https://www.seattlepi.com/local/transportation/article/sound-transit-renames-link-light-rail-lines-2021-16425400.php
  227. The Seattle Times
    https://www.seattletimes.com/seattle-news/transportation/sounder-trains-future-in-limbo-as-ridership-is-slow-to-return/
  228. "Sound Transit Fall 2024 Service Change under way"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-fall-2024-service-change-under-way
  229. The Seattle Times
    https://www.seattletimes.com/seattle-news/transportation/many-sounder-commuter-train-trips-canceled-due-to-missing-inspections/
  230. The Seattle Times
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  231. The Platform
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  232. "Sounder South Strategic Plan Update: Community Engagement Summary"
    https://www.soundtransit.org/sites/default/files/documents/sounder-south-strategic-engagement-report.pdf
  233. The Everett Herald
    https://www.heraldnet.com/news/hop-a-sounder-train-from-everett-mukilteo-edmonds-to-mariners-games/
  234. "Event service"
    https://www.soundtransit.org/ride-with-us/event-service
  235. "How Seattle is proactively preparing for traffic from the FIFA Club World Cup"
    https://www.king5.com/article/traffic/traffic-news/fifa-club-world-cup-traffic-seattle/281-4845e645-04fc-479d-bbba-b7e11e7e5d29
  236. The Seattle Times
    https://www.seattletimes.com/entertainment/events/new-features-add-to-fun-at-washington-state-fair-in-puyallup/
  237. Lower Green River Corridor Flood Hazard Management Plan Draft Programmatic Environmental Impact Statement
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  238. "King Street Station Area Platform Improvements Project Final Alternatives Analysis"
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  239. "Q: Who's driving those Sound Transit buses and trains?"
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  240. The News Tribune
    https://www.thenewstribune.com/news/local/article265811081.html
  241. "Amtrak Advances Major Rail Yard Upgrades in Seattle"
    https://media.amtrak.com/2024/10/amtrak-advances-major-rail-yard-upgrades-in-seattle/
  242. "Sound Transit Motion No. M2021-28"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2021/Motion%20M2021-28.pdf
  243. "2023 Sound Transit Comprehensive Financial Report"
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  244. "Sound Transit Motion No. M2023-08"
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  245. "Fare ambassadors"
    https://www.soundtransit.org/ride-with-us/how-to-pay/fare-ambassadors
  246. Seattle Weekly
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  247. "How to pay: Fares"
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  248. "Sound Transit Resolution No. R2007-07"
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  249. The Seattle Times
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  250. "How to pay"
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  251. "Transferring"
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  252. Seattle Post-Intelligencer
  253. "The New Math: Sound Transit + Amtrak Cascades = RailPlus"
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  254. "Rail Plus program"
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  255. The Seattle Times
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  256. The Seattle Times
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  257. "Sound Transit to suspend fares on all transit modes until further notice"
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  258. "Lower Sounder fares take effect March 1"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/lower-sounder-fares-take-effect-march-1
  259. The Seattle Times
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  260. "Sound Transit Board formally adopts $1 ORCA LIFT fares"
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  261. "ST Ridership Report, Fourth and First Quarter 2000/01"
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  262. "Six-Year Transit Development Plan and 2001 Annual Report"
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  263. "Ridership Report, Fourth Quarter 2002"
    https://web.archive.org/web/20030403015857/http://www.soundtransit.org/stnews/publications/reports/ridership/RidershipReport_4thQ_2002.pdf
  264. "Sound Transit 2004 Annual Report"
    https://web.archive.org/web/20050926154115/http://www.soundtransit.org/pdf/about/financial/2004/2004_AnnRpt_8_05.pdf
  265. "Systemwide Ridership Report: Fourth Quarter 2004"
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  266. "Service Delivery: Quarterly Performance Report to the CEO, Fourth Quarter 2006"
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  267. "Service Delivery: Quarterly Performance Report to the CEO, Fourth Quarter 2008"
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  268. "Service Delivery: Quarterly Performance Report, Fourth Quarter 2010"
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  269. "Service Delivery: Quarterly Performance Report, Fourth Quarter 2012"
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  270. "Service Delivery: Quarterly Performance Report, Fourth Quarter 2014"
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  271. "Service Delivery: Quarterly Performance Report, Fourth Quarter 2016"
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  272. "Q4 2018 Service Delivery Quarterly Performance Report"
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  273. "Q4 2019 Service Delivery Quarterly Performance Report"
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  274. "Q4 2020 Service Delivery Quarterly Performance Report"
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  275. "Fare Revenue Report 2023"
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  276. "Monthly Performance Report: June 2024"
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  277. "Sound Transit Motion No. M2018-116"
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  278. Seattle Post-Intelligencer
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  279. The Seattle Times
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  280. The Everett Herald
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  281. The Seattle Times
    https://www.seattletimes.com/seattle-news/too-many-empty-seats-on-sounder-north-line/
  282. The Seattle Times
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  283. "Sounder commuter rail celebrates ten-year anniversary"
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  284. "2020 Service Implementation Plan"
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  285. The Seattle Times
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  286. "Sounder South Strategic Development & Implementation Plan"
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  287. "Sounder Commuter Rail Train Specifications"
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  288. "Sound Transit Motion No. M2013-72"
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  289. "Quick facts on Sounder trains"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/quick-facts-sounder-trains
  290. Seattle Magazine
    https://seattlemag.com/sound-transits-money-pit-high-cost-sounder-north-line/
  291. "About the agency: Sounder commuter rail"
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  292. Seattle Post-Intelligencer
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  293. The News Tribune
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  294. The Seattle Times
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  295. The Washington Post
    https://www.washingtonpost.com/archive/local/2002/11/17/vre-riders-saw-hope-in-item-not-even-on-their-ballot/28a53333-c90a-4602-a313-f1ee3fa74a3f/
  296. VRE Update
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  297. St. Cloud Times
    https://www.newspapers.com/article/st-cloud-times-northstar-followers-ride/172542662/
  298. Los Angeles Times
    https://www.latimes.com/archives/la-xpm-2004-oct-19-me-wheel19-story.html
  299. Metrolink Matters
    https://metrolinktrains.com/globalassets/news/mlmattersjune09.pdf
  300. Seattle Post-Intelligencer
  301. "2019 Service Implementation Plan"
    https://www.soundtransit.org/sites/default/files/documents/2019-sip-final_compressed.pdf
  302. "Sound Transit receives new Sounder cars"
    https://www.soundtransit.org/get-to-know-us/news-events/news-releases/sound-transit-receives-new-sounder-cars
  303. "Sound Transit Motion No. M2016-123"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2016/Motion%20M2016-123.pdf
  304. "Sound Transit Motion No. M2001-72 Staff Report"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2001/Motion%20M2001-72.pdf
  305. The News Tribune
    https://www.thenewstribune.com/news/local/community/puyallup-herald/ph-news/article273558740.html
  306. The Platform
    https://www.soundtransit.org/blog/platform/making-it-easier-to-take-s-line
  307. The News Tribune
    https://www.thenewstribune.com/news/local/article234814417.html
  308. "Realigned Capital Program Pursuant to Sound Transit Board action of August 5, 2021"
    https://www.soundtransit.org/sites/default/files/documents/realigned-st-capital-program.pdf
  309. "Sounder South Capacity Expansion"
    https://www.soundtransit.org/system-expansion/sounder-south-capacity-expansion
  310. "Sounder Maintenance Base"
    https://www.soundtransit.org/system-expansion/sounder-maintenance-base
  311. "Sounder Extension to DuPont"
    https://www.soundtransit.org/sites/default/files/Sounder_ExpansiontoDuPont_1.pdf
  312. "Sound Transit Motion No. M2023-37 Staff Report"
    https://www.soundtransit.org/st_sharepoint/download/sites/PRDA/FinalRecords/2023/Motion%20M2023-37.pdf
  313. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sound-transit-will-open/162539394/
  314. Railway Age
    https://www.railwayage.com/passenger/sound-transit-adopts-realignment-plan/
  315. "2024 Annual Program Review Report"
    https://www.soundtransit.org/sites/default/files/documents/BAPR-annual-program-review-2024.pdf
  316. The Seattle Times
  317. The Seattle Times
  318. Everett to Blaine Commuter Rail Preliminary Feasibility Study
    https://web.archive.org/web/20030906144421/http://www.wsdot.wa.gov/Rail/plans/Everett_to_Blaine_Study.pdf
  319. The Olympian
    https://www.newspapers.com/article/the-olympian-increase-in-commuters-puts/168631635/
  320. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sounder-could-reach-fre/162537092/
  321. The News Tribune
    https://www.newspapers.com/article/the-news-tribune-sound-transit-3-projec/168631698/
  322. The News Tribune
    https://www.thenewstribune.com/news/local/traffic/article68171787.html
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