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Sound Transit fleet

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From Wikipedia, the free encyclopedia

Sound Transit is a regional public transit system in the Seattle metropolitan area that provides light rail, commuter rail, and express bus service.[1] As of 2025, the system has a fleet of over 558 vehicles for its services, which carry over 42 million passengers annually. These include 226 rail cars on Link light rail; 78 passenger cars and 14 locomotives on Sounder commuter rail; and 240 buses on Sound Transit Express.[2] The entire fleet is accessible per requirements from the federal Americans with Disabilities Act of 1990, with low-floor light rail vehicles and buses as well as ramps for commuter trains.[3] Sound Transit's trains and buses share the same livery design, known as the "wave", comprised of blue, teal, and green stripes over a white background.[4][5]

The Link light rail fleet is divided between four models: the Series 1 and Series 2 on the main network, which use 95-foot (29 m) multiple-unit cars; and two generations of shorter streetcars for the T Line in Tacoma.[2] The Series 1 and Series 2 are able to run with multiple cars, up to four per train, and are powered by an overhead catenary powered at 1,500 volts.[6] They are operated by King County Metro and maintained at two facilities in Seattle and Bellevue.[7] The T Line streetcars, maintained directly by Sound Transit, operate as single cars and are powered by an overhead catenary at 700 volts.[6] Sounder uses bilevel passenger cars on its two lines that are maintained by Amtrak and operated by BNSF Railway.[2] Sound Transit Express is contracted out to three local transit agencies and uses a variety of bus types that include articulated and double-decker models.[1][8] These buses have between 37 and 82 coach-style seats and the largest can carry up to 101 passengers.[9]

[edit]

The Link light rail system spans 63 miles (101 km) on three lines that serve 50 stations in King, Pierce, and Snohomish counties.[10] It uses a fleet of 226 electric light rail vehicles (LRVs) that are articulated and low floor for accessibility.[2] The vehicles are either operated as single cars (for the T Line) or in trains of up to four cars (for the 1 Line and 2 Line). All trains use standard gauge track and are supplied with electricity through an overhead catenary. The catenary is energized at 1,500 volts direct current for the 1 Line and 2 Line, and 750 volts for the T Line. Due to differences in size and electrical systems, the T Line fleet is incompatible with the rest of the system.[6] The 1,500 V DC system, not used by other North American light rail systems, was chosen for the 1 Line and 2 Line to allow for fewer substations to be constructed and spaced one mile (1.6 km) apart.[11]

The 1 Line and 2 Line, sometimes described as light metro lines,[12] have station platforms that are 380 feet (120 m) long and 14 inches (36 cm) above the top of the rail, allowing for level boarding of trains.[13] These lines use a mixed fleet of LRVs that were later given designations: the Series 1 by Kinkisharyo–Mitsui in Japan; and the Series 2 (S700) by Siemens Mobility in the United States.[2] Both are 95 feet (29 m) long with a pair of operator cabs and an articulated center; they are able to run in a four-car configuration in normal service.[14][15] The T Line fleet consists of eight low-floor streetcars that are 66 feet (20.12 m) long and are not coupled into longer trains in regular service.[6][16] It was produced by two manufacturers, Škoda Transportation in the Czech Republic and Brookville Equipment in the United States.[2] All Link cars feature seats in both longitudinal and transverse configurations, standing room, and accessible seating areas that can be folded up for wheelchair users.[3] The original cloth fabric upholstery on the seats were replaced with vinyl in the 2020s in response to feedback from riders and a pilot program that was conducted in 2024.[17]

Series 1

[edit]

The Series 1 cars, numbered 101 to 162,[18] comprise 62 total LRVs that were manufactured by a joint venture of Kinkisharyo and Mitsui in Osaka, Japan.[2][19] Each car has 74 seats arranged primarily in transverse pairs as well as four areas with longitudinal folding seats also designated for use by wheelchairs and strollers.[20] The listed capacity of the Series 1 is 194 passengers during normal loads, with a maximum "crush load" of 252 people.[21] The layout is 70 percent low floor, at a height of 14 inches (36 cm) above the rails, with raised sections at each end above a set of stairs. The Series 1 cars have four doors on each side and a hanging bicycle hook above each of the luggage storage areas between the articulated sections.[20][22] Each car has three trucks—two powered at each end near the operator's cab and one unpowered in the center—with two axles and six wheels. The Series 1 has a top speed of 58 miles per hour (93 km/h), but trains typically operate at a maximum of 55 mph (89 km/h) in service.[23][24]

The original order from Sound Transit for 31 vehicles manufactured by Kinkisharyo–Mitsui was approved in November 2003 at a total cost of $108.6 million (equivalent to $177 million in 2024 dollars).[25][26] Other bidders included Bombardier, AnsaldoBreda, CAF USA, and Siemens.[26] The Kinkisharyo–Mitsui contract included an option for up to 31 additional vehicles, of which four were ordered in October 2005 for the extension to SeaTac/Airport station.[27] The final order of 27 vehicles was approved in July 2008 for the University Link Extension at a total cost of $94.6 million (equivalent to $135 million in 2024 dollars).[25][28] Kinkisharyo–Mitsui manufactured the steel shell of the cars and assembled the Japanese components at their facility in Osaka before being shipped to the United States. The final assembly, including wheels, propulsion systems, and seats, was completed at a leased facility in Everett to comply with Buy America requirements; the Everett facility was able to finish two cars per month that were then trucked to Seattle.[19][29] The first Series 1 car was unveiled in December 2006 and entered service in July 2009 with the opening of Central Link (now the 1 Line).[29][30] The final two cars were delivered in August 2011.[31] Following the debut of the Series 2 vehicles in 2021, refurbishment of the Series 1 fleet to add automatic train protection and other features began.[15][32]

Series 2

[edit]

The Series 2 cars, numbered 201 to 352,[18] comprise 152 LRVs built by Siemens Mobility in Sacramento, California. Based on the Siemens S700, which was retroactively renamed from the S70, each car is double-articulated and includes operator cabs on each end.[33] Each Series 2 train has 74 seats and has a listed capacity of 240 passengers; like the Series 1, it has two powered trucks at the ends and one unpowered truck in the center.[15][34] The interior includes larger windows than the Series 1, four bicycle hooks, more longitudinal seating, onboard fire extinguishers, and under-seat luggage storage in the raised sections. The articulated section has 14 seats and a 41-inch (100 cm) aisle—8 inches (20 cm) wider than the Series 1, which needed more space for utility and ventilation systems.[15][35] The cars also feature interior passenger information screens and colored lights around the doors to indicate opening and closing sequences.[35] The Series 2 has a top speed of 65 miles per hour (105 km/h) and a regular acceleration and deceleration rate of 3.0 miles per hour per second (1.34 m/s).[34]

A large expansion of the Link fleet was funded by the Sound Transit 2 program, approved in 2008, to support the network's expansion and maintain service levels. A request for proposal was issued in November 2015 for 122 low-floor LRVs with Kinkisharyo and Siemens as finalists.[36][37] Sound Transit awarded the Series 2 contract to Siemens Mobility in September 2016 with a total of 122 LRVs and an option for 30 additional cars for $517.6 million (equivalent to $661 million in 2024 dollars).[25][37] The option for 30 cars was approved in April 2017 and followed by an additional 10 cars in November 2023, bringing the total contract to $836.9 million (equivalent to $858 million in 2024 dollars).[25][38][39] Manufacturing of the first steel S700 shell at the Siemens plant in Sacramento began in December 2017 and the first LRV was delivered to Sound Transit in June 2019 to begin 1,000 miles (1,600 km) of burn-in testing.[38][40] The first Series 2 trains entered passenger service on May 14, 2021, after delivery of the first 41 LRVs needed for the opening of the Northgate Link Extension.[32] The final car in the original order of 152 LRVs is scheduled to be delivered in 2026 and followed by the completion of the additional order in 2028.[41][42]

Tacoma

[edit]

The T Line uses shorter low-floor articulated streetcars that are 66 feet (20.12 m) long, 8 feet (2.44 m) wide, and have two articulation joints at each end of the low-floor section.[13][16] The cars and platforms are built for level boarding, with a mechanical wheelchair ramp deployed by operators upon request.[3] The first three streetcars are Škoda 10 Ts, numbered 1001 to 1003,[18] that have 30 seats and can carry 56 total passengers at crush load.[6][43] The first generation were manufactured in the Czech Republic by Škoda Transportation and Inekon Trams under a joint contract with the Portland Streetcar that was awarded in 1999.[44] The overhead pantograph was lengthened to accommodate the higher catenary height on the T Line.[45] The Škoda cars were delivered in September 2002 at the Port of Tacoma and entered service in August 2003.[43][46]

To prepare for the Hilltop Link Extension, Sound Transit ordered five Liberty streetcars from Brookville Equipment in 2017 at a cost of $26.5 million.[47] The order also had an option for ten more streetcars, split between Sound Transit and the Portland Streetcar.[48] The Liberty streetcars, numbered 2001 to 2005,[49] each have 26 seats and can carry a total of 100 passengers; they also have designated spaces for bicycles and interior passenger information screens.[16][50] They were manufactured in Brookville, Pennsylvania, and delivered between March and November 2022.[50][51] The Liberty streetcars entered service in July 2023.[49]

In 2025, Sound Transit and the City of Portland, Oregon, proposed a swap of their streetcars due to the compatibility of their respective rolling stock as well as operational needs. Three of the newer Liberty cars on the Portland Streetcar system would move to Tacoma, while the older Škoda cars would be sent to Portland alongside a $16.6 million payment and spare parts.[52] The Sound Transit board approved the plan on December 18, 2025.[53]

Specifications

[edit]

Sounder commuter rail

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Sounder is a commuter rail system that runs north–south on two lines from Seattle to Everett and Lakewood, covering 82 miles (132 km).[1][62] The system uses a fleet of 14 locomotives and 78 bilevel passenger cars, including conventional and cab cars.[2] All of the passenger cars are Bombardier BiLevel Coach models manufactured by Bombardier Transportation (now Alstom) in Thunder Bay, Ontario, and assembled in the United States.[63] The latest order of passenger cars, manufactured by Alstom, was ordered in 2020 and entered service in 2026.[64]

Active Sounder rolling stock[18]
Type Model Image Year No. Qty.
Locomotives EMD F59PHI A large locomotive in the Sounder livery with "905" painted on the side 1999–2001 901–911 11
MotivePower MP40PH-3C A streamlined locomotive in the Sounder livery with "922" painted on the side 2012 921–923 3
Cab cars Bombardier BiLevel cab car A double-decker passenger car in the Sounder livery with "111" displayed on two signs at its rear 1999–2001 101–111 11
2003 301–307 7
A double-decker passenger car in the Sounder livery with a large windshield in the operator's cab 2017 321–329 9
2022 330–332 3
Coaches Bombardier BiLevel Coach A double-decker passenger car in the Sounder livery 1999–2003 201–240 30
2003 401–410 10
2022 411–418 8

Sound Transit Express

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The Sound Transit Express network comprises 24 limited-stop express bus routes that provide regional service to cities in all three counties, primarily using a network of high-occupancy vehicle lanes (HOV lanes) on state-maintained freeways.[1][13] It uses a fleet of 240 buses that are owned by Sound Transit but operated and maintained under contracts with local transit providers Community Transit, King County Metro, and Pierce Transit.[2][8] The buses feature uniform Sound Transit branding and include high-back cushioned seating with recline, bicycle racks, and personal reading lights; some also have luggage racks.[65][66] Most buses in the fleet are low-floor with kneeling and all have accessible seating areas.[13] The buses use diesel or compressed natural gas (CNG) for fuel, along with several hybrid electric buses. They range in size from 40-foot (12 m) conventional buses to 60-foot (18 m) articulated buses and double-decker buses.[13][67]

The bus system launched in 1999 with a fleet of 114 buses, including several that were leased from its contracted agencies.[68] Among these were 20 dual-mode diesel–electric Breda trolleybuses that were originally acquired by King County Metro for use in the Downtown Seattle Transit Tunnel. They were leased from Metro from 1999 to 2004 on route 550.[69][70] The first Sound Transit Express contracts were awarded to Gillig and New Flyer in February 1998 for a total of 175 buses, including potential use of non-diesel fuel sources.[71] The first fleet replacements for the system began in 2011.[72] Sound Transit debuted its first double-decker Alexander Dennis Enviro500 MMC buses in November 2015 and assigned them to routes serving Snohomish County.[67][73] The smallest buses in the Sound Transit Express fleet can carry 37 seated passengers, while the largest double-deckers have 82 seats and room for up to 100 passengers.[9]

Retired fleet

[edit]

Stride bus rapid transit

[edit]

Stride is a planned bus rapid transit (BRT) system managed by Sound Transit with three lines scheduled to enter service between 2028 and 2029. The system will span 48 miles (77 km) and serve 25 stations, primarily on Interstate 405 and State Route 522.[78] The entire Stride fleet is planned to be battery electric buses that are able to support wireless inductive charging.[79] The buses will have priority seating for passengers with disabilities, accessible boarding ramps, and rider information screens.[80] In August 2023, Sound Transit awarded contracts to Alexander Dennis and BYD for the 46 buses that will comprise the Stride fleet. Alexander Dennis will manufacture 32 Enviro500EV electric double-decker buses for Stride's two freeway routes at a cost of $73.2 million.[81] BYD will manufacture 14 RIDE K11M articulated buses for use on the S3 Line, which has more frequent stops, at a cost of $33.5 million.[82]

Notes

[edit]
  1. 1 2 3 4 5 6 7 8 9 10 11 12 Some units have been retired, while others remain in service. The numbers reflect the entire fleet at the time of delivery.
  2. ↑ Leased from King County Metro; originally entered service in 1990.[69]
  3. ↑ Manufactured in 1994 for Pierce Transit and sold to Sound Transit.[77]

References

[edit]
  1. 1 2 3 4 "Modes of service". Sound Transit. Retrieved July 14, 2026.
  2. 1 2 3 4 5 6 7 8 9 "Transit Development Plan 2025–2030" (PDF). Sound Transit. August 2025. pp. 6–12, 19–21, 25–29. Retrieved July 14, 2026.
  3. 1 2 3 4 "Transit accessibility". Sound Transit. Retrieved July 14, 2026.
  4. ↑ "Getting to know the ST brand" (PDF). Sound Transit. June 2023. Retrieved July 14, 2026.
  5. ↑ Schaefer, David (May 15, 1998). "Sound Transit riders will catch a wave". The Seattle Times. p. B1.
  6. 1 2 3 4 5 "2025 Rail Fixed Guideway Public Transportation System Safety Report" (PDF). Washington State Department of Transportation. June 2026. pp. 2–4. Retrieved July 14, 2026.
  7. ↑ Lindblom, Mike (October 30, 2023). "Sound Transit needs more railcars soon, so it won't run out of room for riders". The Seattle Times. Retrieved July 14, 2026.
  8. 1 2 Lindblom, Mike; Beekman, Daniel (March 16, 2019). "Sound Transit CEO considers outside contractors to run Highway 520 buses". The Seattle Times. Retrieved July 14, 2026.
  9. 1 2 "Sound Transit Service Standards and Performance Measures, 2018 Edition" (PDF). Sound Transit. June 27, 2018. p. 16. Retrieved July 14, 2026.
  10. ↑ "Link light rail opens across Lake Washington" (Press release). Sound Transit. March 28, 2026. Retrieved July 14, 2026.
  11. ↑ Middleton, William D. (April 1, 2006). "Sound Transit builds for LRT: Projected growth over the next 25 years is driving the Seattle region's rapid push to expand light rail". Railway Age. Chicago: Simmons-Boardman Publishing: 43–45. ISSN 0033-8826. OCLC 1586268. Archived from the original on May 2, 2006. Retrieved July 14, 2026.
  12. ↑ Lindblom, Mike (August 20, 2016). "Sound Transit's cost overruns for first phase hit about 86 percent". The Seattle Times. Retrieved July 14, 2026.
  13. 1 2 3 4 5 Sound Transit Agency Safety Plan (PDF) (Report). Sound Transit. September 2025. pp. 33–40. Retrieved July 14, 2026.
  14. ↑ Sound Transit Audit Division (April 29, 2022). "Internal Audit Report: Link Light Rail Service Event from November 26, 2021" (PDF). Sound Transit. pp. 24, 40. Archived from the original (PDF) on November 19, 2022. Retrieved July 14, 2026.
  15. 1 2 3 4 Lindblom, Mike (June 19, 2019). "Sound Transit shows off its new, roomier light-rail cars. They'll go into service next year". The Seattle Times. Retrieved July 14, 2026.
  16. 1 2 3 "First New Light Rail Vehicle for Hilltop Tacoma Link" (Press release). Sound Transit. April 26, 2022. Retrieved July 14, 2026.
  17. ↑ Metzger, Katie (January 12, 2026). "A more clean and comfortable ride: Why Link is moving to vinyl seats". The Platform. Sound Transit. Retrieved July 14, 2026.
  18. 1 2 3 4 5 "2019 Service Implementation Plan" (PDF). Sound Transit. November 2018. pp. 221–223. Retrieved July 14, 2026.
  19. 1 2 Velush, Lukas (May 22, 2007). "Rail cars finished in Everett". The Everett Herald. p. B1. Archived from the original on May 24, 2007. Retrieved July 14, 2026.
  20. 1 2 Central Link Operations Plan – Westlake to SeaTac/Airport (PDF) (Report). Sound Transit. July 29, 2008. pp. 1, 18–21, 23–26. Archived from the original (PDF) on September 24, 2015. Retrieved July 14, 2026.
  21. ↑ Lindblom, Mike (August 8, 2016). "Sound Transit keeping close eye on crowded light-rail trains". The Seattle Times. p. A7. Retrieved July 14, 2026.
  22. ↑ "Bicycle Riders Guide" (PDF). Sound Transit. June 2017. Retrieved July 14, 2026.
  23. ↑ "Technical Data: Seattle, WA – Sound Transit" (PDF). Kinkisharyo International. August 2015. Archived from the original (PDF) on September 6, 2017. Retrieved July 14, 2026.
  24. ↑ "The Light-Rail Train" (PDF). The Seattle Times. July 10, 2009. Archived from the original (PDF) on August 26, 2017. Retrieved July 14, 2026.
  25. 1 2 3 4 Johnston, Louis; Williamson, Samuel H. (2023). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved November 30, 2023. United States Gross Domestic Product deflator figures follow the MeasuringWorth series.
  26. 1 2 Pryne, Eric (November 25, 2003). "Sound Transit picks Japanese firm to build train cars for light-rail line". The Seattle Times. p. B3. Retrieved July 14, 2026.
  27. ↑ "Four new light rail cars proposed for Sound Transit's Airport Link extension" (Press release). Sound Transit. October 20, 2005. Retrieved July 14, 2026.
  28. ↑ "Sound Transit Motion No. M2008-71" (PDF). Sound Transit. July 24, 2008. Retrieved July 14, 2026.
  29. 1 2 Cohen, Aubrey (June 16, 2009). "Here's where they fix the light rail trains". Seattle Post-Intelligencer. Retrieved July 14, 2026.
  30. ↑ "Sound Transit unveils first Central Link light rail vehicle" (Press release). Sound Transit. December 17, 2006. Retrieved July 14, 2026.
  31. ↑ "Agency Progress Report, Link Light Rail: August 2011" (Document). Sound Transit. September 2011. pp. 4, 20.
  32. 1 2 "First new Link light rail vehicles enter passenger service" (Press release). Sound Transit. May 14, 2021. Retrieved July 14, 2026.
  33. ↑ "Siemens Mobility S700 helps Seattle serve its booming ridership with modern style and sustainability" (Press release). Siemens Mobility. May 2021. Retrieved July 14, 2026.
  34. 1 2 3 "Low-Floor Light Rail Vehicles" (PDF). Siemens Mobility. May 2020. pp. 28–29. Retrieved July 14, 2026.
  35. 1 2 "Case Study: Sound Transit" (PDF). Siemens Mobility. October 2022. Retrieved July 14, 2026.
  36. ↑ "Sound Transit Resolution No. R2015-24" (PDF). Sound Transit. September 24, 2015. Retrieved July 14, 2026.
  37. 1 2 "Sound Transit Motion No. M2016-101" (PDF). Sound Transit. September 22, 2016. Retrieved July 14, 2026.
  38. 1 2 "First new light rail vehicle arrives" (Press release). Sound Transit. June 19, 2019. Retrieved July 14, 2026.
  39. ↑ "Sound Transit Resolution No. R2023-35" (PDF). Sound Transit. November 16, 2023. Retrieved July 14, 2026.
  40. ↑ "Link Light Rail Program Progress Report, December 2017" (PDF). Sound Transit. February 14, 2018. p. 95. Retrieved July 14, 2026.
  41. ↑ "System Expansion Monthly Status Report, March 2026" (PDF). Sound Transit. April 30, 2026. p. 36. Retrieved July 14, 2026.
  42. ↑ Zhou, Amanda; Lindblom, Mike (January 20, 2024). "Sound Transit reopens U District station after Israel-Hamas war protest". The Seattle Times. Retrieved July 14, 2026.
  43. 1 2 Corvin, Aaron (August 17, 2003). "Future Link: Tacoma or bust". The News Tribune. pp. A15, A18. Retrieved July 14, 2026 – via Newspapers.com.
  44. ↑ "Sound Transit Motion No. M99-64" (PDF). Sound Transit. October 14, 1999. Retrieved July 14, 2026.
  45. ↑ "Skoda breaks into the urban market". Railway Gazette International. April 1, 2001. Archived from the original on April 12, 2019. Retrieved July 14, 2026.
  46. ↑ Corvin, Aaron (September 4, 2002). "Tacoma Link's cars are in—on schedule". The News Tribune. p. B1. Retrieved July 14, 2026 – via Newspapers.com.
  47. ↑ "Sound Transit orders five additional light rail vehicles for Tacoma Link Extension to Stadium, Hilltop neighborhoods" (Press release). Sound Transit. November 16, 2017. Retrieved July 14, 2026.
  48. ↑ Vantuono, William C. (December 7, 2017). "Sound Transit finalizes Brookville contract". Railway Age. Archived from the original on November 17, 2022. Retrieved July 14, 2026.
  49. 1 2 McKinney, Kevin (November 2023). "Rush Hour [transit news section]". Passenger Train Journal. Vol. 47, no. 4 – Fourth quarter 2023. White River Productions, Inc. p. 66. ISSN 0160-6913.
  50. 1 2 Metzger, Katie (March 30, 2022). "Fresh pics: New light rail vehicle arrives in Tacoma". The Platform. Sound Transit. Retrieved July 14, 2026.
  51. ↑ "Final new light rail vehicle arrives for Hilltop Tacoma link" (Press release). Sound Transit. November 10, 2022. Retrieved July 14, 2026.
  52. ↑ Macuk, Anthony (December 3, 2025). "Portland and Tacoma could swap three streetcars under proposed deal". KGW. Retrieved July 14, 2026.
  53. ↑ "US tram swap". Tramways & Urban Transit. No. 1058. Mainspring Enterprises Ltd. February 2026. p. 45. ISSN 1460-8324.
  54. ↑ "Seattle, WA – Sound Transit: Technical Data" (PDF). Kinkisharyo International, LLC. August 2015. Archived from the original (PDF) on September 11, 2024. Retrieved July 14, 2026.
  55. ↑ HDR, Inc. (August 5, 2011). "Tacoma Link Extension: Engineering Considerations" (PDF). Sound Transit. p. 4. Retrieved July 14, 2026.
  56. ↑ "Low-Floor Trams" (PDF). Škoda Transportation. September 2012. p. 7. Archived from the original (PDF) on June 6, 2019. Retrieved July 14, 2026.
  57. ↑ "Final new light rail vehicle arrives for Hilltop Tacoma link" (Press release). Sound Transit. November 10, 2022. Retrieved July 14, 2026.
  58. ↑ "Liberty Modern Streetcars" (PDF). Brookville Equipment. Archived from the original (PDF) on July 4, 2022. Retrieved July 14, 2026.
  59. 1 2 3 4 5 6 7 8 9 "Rolling stock inventory and verification of continued use form" (Document). Sound Transit. 2025.
  60. ↑ "Brookville Delivers First of Three Liberty NXT Streetcars to Portland Streetcar" (Press release). Brookville Equipment. April 3, 2023. Retrieved July 14, 2026.
  61. ↑ Gallagher, John (May 14, 2021). "New Link light rail trains rolling into service!". The Platform. Sound Transit. Retrieved July 14, 2026.
  62. ↑ Metzger, Katie (September 18, 2025). "Celebrating 25 years of Sounder with 25 fun facts". The Platform. Sound Transit. Retrieved July 14, 2026.
  63. ↑ "Sounder Commuter Rail Train Specifications". Sound Transit. Archived from the original on January 29, 2009. Retrieved July 18, 2026.
  64. ↑ "New Sounder cars start service today" (Press release). Sound Transit. June 1, 2026. Retrieved July 21, 2026.
  65. ↑ Foster, George (October 18, 1999). "The seats on the bus go shake, shake, shake...". Seattle Post-Intelligencer. p. B1.
  66. ↑ "Sound Transit's brand-new ST Express bus to be unveiled on Tuesday, March 30" (Press release). Sound Transit. March 25, 1999. Retrieved July 14, 2026.
  67. 1 2 Haglund, Noah (July 31, 2016). "Sound Transit's new double deckers headed for Snohomish County". The Everett Herald. Retrieved July 14, 2026.
  68. ↑ Collins, Eric (September 20, 1999). "Sound Transit's airport bus hits road". The News Tribune. pp. A1, A10. Retrieved July 14, 2026 – via Newspapers.com.
  69. 1 2 "Sound Transit Motion No. M2003-96" (PDF). Sound Transit. October 9, 2003. Retrieved July 14, 2026.
  70. 1 2 3 "2006 Service Implementation Plan" (PDF). Sound Transit. April 5, 2006. pp. 81–82. Archived from the original (PDF) on September 24, 2006. Retrieved July 14, 2026.
  71. ↑ "Sound Transit board ok's plan to pursue the purchase of buses for Regional Express transit system" (Press release). Sound Transit. February 13, 1998. Retrieved July 14, 2026.
  72. ↑ "Sound Transit board approves purchase of clean diesel and hybrid buses" (Press release). Sound Transit. February 24, 2011. Retrieved July 14, 2026.
  73. ↑ "Sound Transit introduces double-decker buses on ST Express routes on the I-405 corridor" (Press release). Sound Transit. March 27, 2019. Retrieved July 14, 2026.
  74. 1 2 3 4 5 6 7 8 "2015 Service Implementation Plan" (PDF). Sound Transit. February 2015. pp. 111–112. Retrieved July 14, 2026.
  75. 1 2 3 4 5 6 7 "Transit Development Plan 2008–2013 and 2007 Annual Report" (PDF). Sound Transit. March 2008. pp. 20–28. Retrieved July 14, 2026.
  76. 1 2 "Transit Development Plan 2012–2017 and 2011 Annual Report" (PDF). Sound Transit. August 23, 2012. pp. 31–42. Retrieved July 14, 2026.
  77. ↑ "Sound Transit Motion No. M99-24" (PDF). Sound Transit. April 22, 1999. Retrieved July 14, 2026.
  78. ↑ "Construction update: Stride bus rapid transit". The Platform. Sound Transit. November 6, 2025. Retrieved July 14, 2026.
  79. ↑ "Supercharged – Battery electric buses will power the Stride Program". The Platform. Sound Transit. June 13, 2024. Retrieved July 14, 2026.
  80. ↑ "Stride: Accessible BRT connecting communities". The Platform. Sound Transit. August 26, 2025. Retrieved July 14, 2026.
  81. ↑ "Sound Transit Motion No. M2023-66" (PDF). Sound Transit. August 24, 2023. Retrieved July 14, 2026.
  82. ↑ "Sound Transit Motion No. M2023-65" (PDF). Sound Transit. August 10, 2023. Retrieved July 14, 2026.
  83. ↑ "Sound Transit Motion No. M2023-66 Staff Report" (PDF). Sound Transit. August 2023. pp. 1–3. Retrieved July 14, 2026.
  84. ↑ "Sound Transit Motion No. M2023-65 Staff Report" (PDF). Sound Transit. August 2023. pp. 1–3. Retrieved July 14, 2026.
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