Central Link

Central Link
Link light rail logo
A train with two cars, traveling over a concrete bridge.
A two-car light rail train on an elevated guideway in Tukwila
Overview
Type Light rail
System Link light rail
Status Operational
Locale Seattle, Washington, U.S.
Termini University of Washington (north)
Angle Lake (south)
Stations 16
Daily ridership 72,028 (2017, weekdays)[1]
Website soundtransit.org
Operation
Opened July 18, 2009 (2009-07-18)
Owner Sound Transit
Operator(s) King County Metro
Character At grade, elevated, and underground
Rolling stock 62 Kinkisharyo-Mitsui light rail vehicles
Technical
Line length 20.35 mi (32.75 km)
Number of tracks 2
Track gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Electrification 1,500 V DC, overhead catenary
Operating speed 55 miles per hour (89 km/h)
Route map
Northgate Link Extension
(2021)
 University of Washington
Montlake Cut
 Capitol Hill
First Hill Streetcar
 Westlake
Seattle Center Monorail South Lake Union Streetcar
 University Street
 Pioneer Square
Colman Dock
International District/
Chinatown
Amtrak Cascades Sounder commuter rail First Hill Streetcar
East Link Extension
(2023)
 Stadium
Greyhound Lines
 SODO
Beacon Hill
 Mount Baker
 Columbia City
 Othello
 Rainier Beach
Duwamish River
 Tukwila International Boulevard
Parking
 SeaTac/Airport
Seattle–Tacoma International Airport
 Angle Lake
Parking
Federal Way Link Extension
(2024)

Central Link is a light rail line in Seattle, Washington, United States, and part of Sound Transit's Link light rail system. It serves 16 stations in the cities of Seattle, SeaTac, and Tukwila, traveling 20 miles (32 km) between University of Washington and Angle Lake stations. The line connects the University District, Downtown Seattle, the Rainier Valley, and Seattle–Tacoma International Airport. Central Link carried over 23 million total passengers in 2017, with an average of 72,000 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. Trains are composed of two or more cars that each can carry 194 passengers, including 74 in seats, along with wheelchairs and bicycles.

Voters approved Central Link in a 1996 ballot measure and construction began in 2003, after the project was reorganized under a new budget and truncated route in response to higher than expected costs. The light rail line, which followed decades of failed transit plans for the Seattle region, opened on July 18, 2009, terminating at Westlake in the Downtown Seattle Transit Tunnel and Tukwila International Boulevard near Sea–Tac Airport. It was extended south to SeaTac/Airport in December 2009, north to the University of Washington in March 2016, and south to Angle Lake in September 2016. The line is scheduled to be extended north to Northgate in 2021, followed by further extensions to Lynnwood and Federal Way in 2024. East Link will open in 2023, connecting Seattle to the Eastside suburbs and forming a multi-line network via its connection with Central Link. Further expansion under Sound Transit 3 will divide Central Link between two lines, the Red Line from Snohomish County to West Seattle, and the Green Line from Ballard to Tacoma.

History

Background and early transit proposals

A train with two cars passing through a built-up downtown on tracks embedded in the street
A Tacoma-bound interurban train seen in the 1920s

Public transit service within Seattle began in 1884, with the introduction of the city's first horse-drawn streetcar line. The system had been replaced with a network of electric streetcars and cable cars by the end of the decade, which spurred the development of new streetcar suburbs across modern-day Seattle.[2][3] Interurban railways to Everett, Tacoma, and the Rainier Valley were established after the turn of the century, giving the region an intercity passenger rail system to feed the streetcar lines.[4] The interurban systems failed to compete with the increasing popularity of automobile travel, capped by the completion of U.S. Route 99 in the late 1920s, and was shut down.[5] By 1941, the streetcars had also been acquired by the municipal government and replaced with a trolleybus network.[3][6]

Various proposals for a rapid transit system in Seattle, to replace the streetcar—and later bus—networks, were presented in the 20th century and rejected by city officials or voters due to their cost or other factors. In 1911, urban planner Virgil Bogue proposed a 41-mile (66 km) system of subway tunnels and elevated railways as the centerpiece to a comprehensive plan for the city, which was rejected by voters.[7] The Seattle Center Monorail, originally built for the 1962 World's Fair, has been the subject of several unsuccessful expansion proposals backed by Governor Albert Rosellini in the 1960s and Seattle voters in the early 2000s.[8] The Forward Thrust Committee of the late 1960s proposed a 47-mile (76 km) rapid transit system, to connect Downtown Seattle to Ballard, the University District, Lake City, Capitol Hill, Bellevue, and Renton. The federal government offered to fund two-thirds of the rail system's capital costs, approximately $770 million (equivalent to $4.16 billion in 2016 dollars),[9] if $385 million (equivalent to $2.08 billion in 2016 dollars)[9] in local property taxes were approved by voters.[10] The rapid transit initiative was placed on the ballot in February 1968, but failed to receive the necessary supermajority to pass. A second attempt in May 1970, with $440 million (equivalent to $2.15 billion in 2016 dollars)[9] in local funding and $870 million (equivalent to $4.25 billion in 2016 dollars)[9] in federal funding,[11] failed amid a local economic downturn caused by layoffs at Boeing.[12] The federal funding earmarked towards the rapid transit system was granted to Atlanta, Georgia, forming the initial funding for the Metropolitan Atlanta Rapid Transit Authority's rail system.[13]

Light rail planning

Following the failed Forward Thrust initiatives, Metro Transit was created in 1972 to oversee a countywide bus network, and plan for a future rail system.[14] In the early 1980s, Metro Transit and the Puget Sound Council of Governments (PSCOG) explored light rail and busway concepts to serve the region,[15] ultimately choosing to build a downtown transit tunnel that would be convertible from buses to light rail at a later date.[16] The PSCOG formally endorsed a light rail plan in 1986, recommending a system be built by 2020, and include a line between Seattle and Sea-Tac Airport,[17] with routing alternatives that served the Rainier Valley.[18][19] A 1988 advisory measure on light rail planning was passed in King County, encouraging Metro Transit to accelerate the plan's timeline to open by 2000.[20] In 1990, the state legislature endorsed the creation of a regional transit board composed of politicians from King, Pierce, and Snohomish counties, with the goal of implementing the regional transit plan.[21]

The Central Puget Sound Regional Transit Authority, later renamed Sound Transit, was created in 1993 to write and present a regional transit plan for voter approval.[22] The agency proposed a 70-mile (110 km) light rail network as the centerpiece of a $6.7 billion transit ballot measure, with a surface line through the Rainier Valley and tunnels between Downtown Seattle, Capitol Hill, and the University District.[23][24] The ballot measure failed to pass on March 14, 1995,[25] and the light rail line was shortened to 25 miles (40 km), between the University District and Sea-Tac Airport.[26] Voters approved the $3.9 billion package on November 5, 1996, along with increases to sales taxes and motor vehicle excise taxes across the regional transit district.[26][27] Sound Transit considered several routing options during a series of public hearings and studies early into the project's environmental impact study,[28] which adopted the name "Central Link".[29] In 1999, Sound Transit selected the alignment for the light rail project, consisting of a line between the University District and Sea-Tac Airport, with surface segments passing through Tukwila, the Rainier Valley, and SoDo, and tunnels under Beacon Hill, First Hill, Capitol Hill, and Portage Bay.[30]

Budget issues and delays

The Central Link project was originally planned to open in 2006 and projected to cost $1.9 billion (equivalent to $2.76 billion in 2016 dollars),[9] but the estimates were found to be unrealistic by auditors in November 2000.[31] New executives, hired by Sound Transit to replace previous program directors, presented a revised plan with an opening date pushed back three years to 2009, costing $3.8 billion (equivalent to $5.17 billion in 2016 dollars).[9] [32] Planning of the Portage Bay tunnel between Capitol Hill and the University District was suspended due to higher than expected contractor bids, attributed to difficult soil conditions.[33] Sound Transit adopted the revised budget and schedule in January 2001, including provisions to re-study routing options between Downtown Seattle and the University District, along with a $500 million federal grant agreement to fund the construction of an "initial segment" for the project.[34][35] The initial segment identified and approved by Sound Transit later that year shortened the line to 14 miles (23 km), between Downtown Seattle and a southern Tukwila station near Sea-Tac Airport. The remaining routes to the airport and University District were sent back to the planning stage, and re-organized into separate light rail projects.[36][37]

In November 2001, Sound Transit approved construction of the shortened Central Link light rail project, calling for a summer 2002 groundbreaking.[38] Property acquisition in the Rainier Valley began in March 2002,[39] but two legal battles delayed the start of construction. In November 2002, the King County Superior Court ruled in favor of Sound Transit in a lawsuit filed by light rail opponents, alleging that it lacked the authority to shorten a voter-approved line.[40] The approval of Tim Eyman's Initiative 776 threatened to repeal motor vehicle excise taxes needed to fund Sound Transit's budget, but was declared unconstitutional in February 2003.[41] Another routing change requested by the City of Tukwila, placing light rail tracks along freeways in lieu of International Boulevard, was approved by Sound Transit and the Federal Transit Administration in 2002, moving the project closer to construction.[42]

Construction and testing

An unfinished building surrounded by a fenced-off dirt lot
The headhouse of Beacon Hill station, seen under construction in May 2009.

Sound Transit received its $500 million federal grant agreement in October 2003,[43] and a groundbreaking ceremony was held in SoDo on November 8, 2003.[44] Construction contracts for various segments were awarded in 2004 and 2005, coming six percent under Sound Transit's estimates,[45] and work began along all parts of the system.[46][47] The first rails were installed on August 18, 2005, in the SoDo area;[45] a month later, the downtown transit tunnel closed for a two-year renovation to accommodate light rail service.[48] Excavation of the Beacon Hill tunnel and station began in 2005, and two tunnel boring machines were launched in early 2006 to bore the twin tunnels between SoDo and the Rainier Valley.[49]

The SODO and Stadium stations were completed in May 2006,[50] and light rail testing in the SoDo area began the following March.[51] Testing was extended to the re-opened downtown transit tunnel in September 2007, initially limited to weekends without bus service,[52] and further to the Rainier Valley after the completion of the Beacon Hill tunnel in 2008.[53][54] The elevated guideway in Tukwila, including crossings over major freeways and the Duwamish River, was completed in 2007 after the installation of 2,457 precast concrete segments and balanced cantilever bridges.[55] During construction in the Rainier Valley, Sound Transit and the City of Seattle offered $50 million in mitigation funds and development opportunities to affected businesses.[56] Construction of light rail along Martin Luther King Jr. Way South also resulted in utility lines being moved underground, improved sidewalks, street crossings, and landscaping.[57]

Opening and later extensions

Central Link was opened on July 18, 2009, with a community celebration that attracted more than 92,000 riders over the first weekend of free service.[58] Trains began operating on the 13.9-mile (22.4 km) segment between Westlake and Tukwila International Boulevard stations,[59] along with a bus shuttle to serve Sea-Tac Airport from Tukwila.[60] The 1.7-mile (2.7 km) extension to SeaTac/Airport station opened on December 19, 2009, replacing the shuttle and other bus services to the airport.[61] Sound Transit added lubrication equipment and rubber mats to segments in Tukwila and the Rainier Valley in 2010 to reduce noise levels that had reached up to 83 decibels, surpassing federal safety standards and triggering noise complaints from nearby residents.[62] A contract dispute with the Rainier Valley construction contractor was settled in 2011, bringing the project's total price to $117 million below the $2.44 billion budget.[63] The opening of light rail service to the Rainier Valley spurred new transit-oriented development, which had initially stalled during the Great Recession but recovered in the mid-2010s.[64][65]

Central Link train service was increased to a frequency of six minutes during peak hours, from 7.5 minutes, in 2015 to prepare for the opening of the University Link extension.[66] The line was extended north to University of Washington station, via Capitol Hill station, on March 19, 2016, via a $1.8 billion, 3.15-mile (5.07 km) tunnel.[67] The extension opened six months ahead of its scheduled date, and the opening celebrations drew 67,000 people during the first day of service. Sound Transit deployed additional three-car light rail trains to cope with higher ridership after the extension opened.[68] The line was extended 1.6 miles (2.6 km) south from Sea-Tac Airport to Angle Lake station on September 24, 2016, including the opening of a 1,120-stall park and ride.[69]

Route

A map depicting the route of Central Link through Seattle, with stations marked and labeled. An additional dashed line extends further north on the future Northgate extension, with its stations also marked.
A map of Central Link, showing the current line and future Northgate extension

Central Link's northern terminus is University of Washington station, located near Husky Stadium and the campus of the University of Washington in northeastern Seattle. The line heads south in the University Link tunnel, crossing under the Montlake Cut of the Lake Washington Ship Canal and State Route 520 before taking a turn to the southwest. The tunnel climbs Capitol Hill and passes under Interlaken Park and Volunteer Park before turning due south to enter Capitol Hill station on the east side of Broadway.[70] The tunnel makes a gradual turn to the west, dipping as far south as East Union Street, and crosses under Interstate 5 at Pine Street.[71][72] It merges into the Downtown Seattle Transit Tunnel within the Pine Street Stub Tunnel, joining buses from Convention Place station.[73][74]

The downtown transit tunnel, shared between light rail trains and buses,[75] travels west under Pine Street through Westlake station and south on 3rd Avenue through University Street and Pioneer Square stations in Downtown Seattle.[74] The tunnel ends at International District/Chinatown station, adjacent to King Street Station (served by Amtrak and Sounder commuter rail),[76] with buses continuing onto the SODO Busway and other streets. Central Link parallels the busway through Stadium and SODO stations, traveling through several gated crossings.[51] From SODO station, the track ascends to an elevated guideway traveling east along South Forest Street,[71][77] passing the line's railyard and maintenance facility.[78] The elevated trackway passes over Airport Way and comes to rest on an embankment under Interstate 5, entering the Beacon Hill tunnel.[79][80]

The Beacon Hill tunnel travels approximately one mile (1.6 km) under Beacon Hill, serving a station at Beacon Avenue South.[81] Trains exit the tunnel on the east side of the hill, turning southeast and approaching the elevated Mount Baker station at the intersection of Rainier Avenue South and Martin Luther King Jr. Way South.[82] Light rail trains descend from Mount Baker station onto the median of Martin Luther King Jr. Way South, running at-grade with signal priority at 28 street crossings.[83][84] Central Link passes through the Rainier Valley and serves three at-grade stations, Columbia City, Othello, and Rainier Beach, before leaving Seattle.[71][85]

The line enters Tukwila and crosses west over Interstate 5 and a mainline railroad at Boeing Access Road, near Boeing Field, before making a southward turn over East Marginal Way South. Central Link continues south over the Duwamish River, traveling non-stop through Tukwila on a 4.7-mile (7.6 km) elevated guideway.[86] The guideway runs along the west sides of State Route 599 and Interstate 5 towards Southcenter Mall, where it turns west along State Route 518. The line passes through Tukwila International Boulevard station, home to a 600-stall park and ride facility, and turns south into the median of the Airport Expressway towards SeaTac. Light rail trains continue along the east side of Seattle–Tacoma International Airport, stopping at SeaTac/Airport station near the airport's terminals, before reaching Angle Lake station, where it terminates.[71][77]

Central Link, while officially a "light rail" line, has also been described as a "light metro" hybrid by transit experts due to its grade separated sections and use of larger trainsets than typical American light rail systems.[83] Approximately 6.4 miles (10.3 km) of the 20.35-mile (32.75 km) line is at-grade, including segments along freeways that are separated from intersecting roads.[87][88]:6–7

Stations

Central Link stations are spaced approximately one mile (1.6 km) apart in most areas and are built with 380-foot-long (120 m) platforms to accommodate four-car train sets.[88]:6[89] Some stations are grade separated, with underground or elevated platforms connected to surface entrances by stairs, escalators, and elevators, while others were built at street level.[88]:6 The line's sixteen stations include bus connections,[90]:16 ticket vending machines, public art, and bicycle parking.[91] Stations are also designed with clear sight lines on platforms, emergency phones and lights, and are monitored with surveillance cameras.[92] As of 2016, there are only two stations with park and ride facilities (Angle Lake and Tukwila International Boulevard); for other stations, Sound Transit and local governments are encouraging alternative means of transportation to and from stations, including bus riding, walking, or bicycling.[93][94]

Station Image Opened Connections and notes[90][91]
University of Washington
Entrance to University of Washington station
 March 19, 2016
Capitol Hill
Platform at Capitol Hill station
 March 19, 2016 Connects with First Hill Streetcar
Westlake
Light rail train arriving at Westlake station's platform
 July 18, 2009[n 1] Connects with Seattle Center Monorail and South Lake Union Streetcar
University Street
Metro bus and light rail train at University Street station
 July 18, 2009[n 1]
Pioneer Square
Light rail train at Pioneer Square station
 July 18, 2009[n 1] Connects with Washington State Ferries, King County Water Taxi, and Kitsap Fast Ferries
International District/Chinatown
Light rail train and bus at International District/Chinatown station
 July 18, 2009[n 1] Connects with Amtrak, Sounder commuter rail, and First Hill Streetcar
Stadium
Entrance to Stadium station
 July 18, 2009 Connects with Greyhound
SODO
Light rail train at SODO station
 July 18, 2009
Beacon Hill
Entrance and headhouse at Beacon Hill station
 July 18, 2009
Mount Baker
Mount Baker station, viewed from across the street
 July 18, 2009
Columbia City
Platforms at Columbia City station
 July 18, 2009
Othello
Platform at Othello station
 July 18, 2009
Rainier Beach
Light rail train at Rainier Beach station
 July 18, 2009
Tukwila International Boulevard
Park and ride at Tukwila International Boulevard station
 July 18, 2009 Park and ride: 662 stalls
SeaTac/Airport
Platform and mezzanine at SeaTac/ Airport station
 December 19, 2009
Angle Lake
Platform at Angle Lake station
 September 24, 2016 Park and ride: 1,120 stalls

Notes

  1. 1 2 3 4 Stations in the Downtown Seattle Transit Tunnel originally opened as bus-only facilities on September 15, 1990, with light rail service commencing on July 18, 2009.[95]

Service

Central Link light rail trains run 20 hours per day from Monday to Saturday, from 5:00 am to 1:00 am, and 18 hours on Sundays and federal holidays, from 6:00 am to midnight.[96][97] Trains operate most frequently during weekday peak periods, running every six minutes from 6:00 am to 9:30 am and from 3:00 pm to 6:30 pm. Trains run every 10 minutes during midday and evening hours on weekdays and all day on weekends. Train frequency is reduced to every 15 minutes during the early morning and late night hours of all days.[96]

End-to-end travel from University of Washington to Angle Lake stations takes 48 minutes,[98] while trips between SeaTac/Airport station and Downtown Seattle take 38 minutes.[96] The SeaTac–Westlake corridor was formerly served by King County Metro bus route 194, which took 32 minutes to travel between the two areas, and used bus stops that were closer to the terminal. The bus route ran at less frequent intervals, was subject to traffic delays, and had shorter hours of operation.[99][100]

Ridership

Annual Passenger Ridership
Year Passengers %±
2009 2,501,211  —
2010 6,989,504 +176.5%
2011 7,812,433 +11.8%
2012 8,699,821 +11.4%
2013 9,681,432 +11.3%
2014 10,937,883 +13.1%
2015 11,530,411 +6.9%
2016 19,121,621 +65.8%
2017 23,186,633 +22.0%
Source: Sound Transit[101]

Central Link trains carried over 23 million total passengers in 2017, averaging 72,028 riders on weekdays.[1] Ridership is measured by on-board infrared passenger counters that automatically record the number of people entering and leaving the train.[58][102]

Ridership on Central Link has risen significantly from the beginning of service in 2009, when it averaged 15,500 per weekday.[103] In 2010, ridership fell below projected levels due to the ongoing economic downturn, with only 21,611 daily riders on the line.[104] Ridership increased significantly in the following years, surpassing 25,000 daily riders in 2012,[105] 30,000 in 2014,[106] and 35,000 in 2015.[107]

The opening of the University Link extension in March 2016 increased daily ridership by 66 percent in its first month of operation,[108] and averaged 66,203 daily riders during the last quarter of the year.[109] A single-day ridership record of 82,361 estimated boardings was set on April 8, 2016,[110] credited to a Seattle Mariners home opener and the Emerald City Comic Con.[108] The record was surpassed five months later on September 30, estimated at 101,000 riders, due in part to home games for the Washington Huskies football team and Seattle Mariners.[111]

Fares

Central Link uses a proof-of-payment system, requiring valid payment before boarding and lacking a turnstile barrier at stations. Fares can be purchased as paper tickets at ticket vending machines at stations,[112] credit or passes loaded on an ORCA card, or through a mobile ticketing app.[113] Fare inspectors and transit police officers check for valid fares while aboard trains or in the fare-paid zone of stations;[90]:14[114] warnings and a $124 citation are issued to passengers who do not present a valid ticket or a validated ORCA card.[115][116]

Fares are calculated based on distance traveled, ranging from $2.25 to $3.25 for adults.[90]:14 ORCA card users are required to tap a reader before and after riding a train to calculate the fare.[117] Reduced fares are available to elderly passengers, persons with disabilities, persons under the age of 18, and low-income passengers enrolled in ORCA Lift.[118][119] Transfers from other modes, including buses, water taxis, and streetcars, are only accepted using ORCA cards.[120]

Rolling stock and equipment

Inside an empty train with large windows, several seats arranged parallel and perpendicularly, metal handlebars, and black hand-holds. The far section of the train with additional seating is lifted up and has a short stairway.
Interior of a Kinkisharyo-Mitsui light rail vehicle, used by Sound Transit on Central Link

The current Central Link fleet consists of 62 low-floor light rail vehicles manufactured in Japan by Kinkisharyo.[90]:8 The Kinkisharyo vehicles, built through a joint venture with Mitsui & Co.,[121] has 74 seats and can carry 194 seated and standing passengers at standard capacity; a maximum "crush load" of 252 passengers per car can be carried by Link trains for short distances.[122] Individual railcars are 95 feet (28.96 m) long and 8.7 feet (2,652 mm) wide, sporting dual cabs that allow cars to travel in either direction.[123] The interior is 70 percent low-floor, while the remaining 30 percent is raised above the floor and accessed via stairs. Railcars include four doors on each side, fold-up seating areas for wheelchairs, and two bicycle hooks above luggage storage areas.[124][125] Central Link trains are typically arranged into two-car and three-car sets, but station platforms are built to accommodate four-car trains.[122][126] The trains have a top speed of 58 miles per hour (93 km/h), but typically operate at 35 miles per hour (56 km/h).[123][127]

Trains are supplied electricity through an overhead catenary that is energized at 1,500 volts direct current and converted to three-phase alternating current through on-board inverters.[124] While other North American light rail systems use 750 V technology, Sound Transit chose to use 1,500 V to reduce the number of electrical substations, which are spaced approximately one mile (1.6 km) apart.[124][128] Sound Transit placed its initial order of 31 light rail vehicles in 2003, and added four more vehicles in 2005 for the extension to SeaTac/Airport station.[121][129] The cars were assembled in Everett, to comply with Buy America requirements,[130] and delivered from 2006 to 2008.[131][132] Another 27 vehicles were ordered for the University Link extension in 2009 and were delivered from 2010 to 2011.[131] The Central Link fleet is stored and maintained at a 25-acre (10.1 ha) operating base in SoDo, between SODO and Beacon Hill stations, that was opened in 2007, and has a capacity of 104 light rail vehicles.[133][134] Central Link trains are operated and maintained by King County Metro.[135]

In September 2016, Sound Transit approved a $554 million order to Siemens Mobility for 122 S70 light rail vehicles to be delivered beginning in 2019 to serve planned extensions to Northgate, Lynnwood, the Eastside, and Federal Way.[136] Another 30 vehicles were added to the order in April 2017, bringing the total to 152 vehicles.[137] A satellite maintenance facility, with a capacity of 96 vehicles, is planned to be constructed in Bellevue by 2020 to accommodate part of the new fleet.[138]

Future plans

Sound Transit's expansion ballot measures, passed as Sound Transit 2 in 2008 and Sound Transit 3 in 2016, enabled the planning of future Link light rail extensions, scheduled to open in stages between 2021 and 2040. The Northgate Link extension is scheduled to open in 2021, extending service north to Northgate Transit Center, followed by the East Link Extension in 2023, creating a new line to Bellevue and Redmond. Central Link will be re-branded as the "Red Line" between Northgate and Angle Lake, while "Blue Line" trains will travel between Northgate and Redmond on East Link, sharing tracks between Northgate and International District/Chinatown.[139][140] The Red Line will be extended south and north to the suburbs of Federal Way and Lynnwood, respectively, in 2024.[141][142] In 2030, a branch of the Red Line to West Seattle will begin service, temporarily operating between Alaska Junction and SODO station.[143] The opening of an extension to Ballard in 2035, traveling via a new tunnel through Downtown Seattle,[141] will split Central Link between two lines: the Red Line, operating from Lynnwood (and later Everett) to West Seattle; and the Green Line, operating from Ballard to Tacoma via the Rainier Valley and Sea-Tac Airport.[142][144] Two infill stations along the current route of Central Link are planned to open in 2031 at South Graham Street in the Rainier Valley and Boeing Access Road in northern Tukwila.[145]

References

  1. 1 2 "4Q 2017 Service Delivery Quarterly Performance Report" (PDF). Sound Transit. February 22, 2018. Archived (PDF) from the original on February 23, 2018. Retrieved February 22, 2018.
  2. ↑ "A look into rail's past". The Seattle Times. February 1, 1987. p. B3.
  3. 1 2 Crowley, Walt (October 2, 2000). "Street Railways in Seattle". HistoryLink. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  4. ↑ Dorpat, Paul (November 6, 1983). "Plush as a Parlor: Some Interurban commuters paid more for a cushy ride". The Seattle Times. p. 6.
  5. ↑ Crowley, Walt (September 19, 2000). "Interurban Rail Transit in King County and the Puget Sound Region". HistoryLink. Retrieved March 24, 2018.
  6. ↑ "Seattle's streetcar history". The Seattle Times. December 10, 2007. p. A6. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  7. ↑ Sipe, Tyler (March 5, 2017). "Off track: Seattle rejects first mass transit ballot measure on March 5, 1912". The Seattle Times. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  8. ↑ Lindblom, Mike (July 30, 2002). "Another '60s revival: running a monorail along Interstate 5". The Seattle Times. p. A1. Retrieved September 17, 2017.
  9. 1 2 3 4 5 6 Thomas, Ryland; Williamson, Samuel H. (2018). "What Was the U.S. GDP Then?". MeasuringWorth. Retrieved January 5, 2018. United States Gross Domestic Product deflator figures follow the Measuring Worth series.
  10. ↑ Coffman, Larry (February 4, 1968). "Rapid Transit: Everyone Agrees It's Needed, but What Kind?". The Seattle Times. p. 5.
  11. ↑ "Tuesday Is 'Thrust' Day; The Biggest Issue: Rapid Transit". The Seattle Times. May 17, 1970. p. B1.
  12. ↑ "Seattle Mass Transit Proposal Pleases Everybody but Voters". The New York Times. June 14, 1970. p. 16. Archived from the original on February 13, 2018. Retrieved February 12, 2018.
  13. ↑ Cohen, Josh (October 14, 2016). "How Seattle blew its chance at a subway system". Crosscut.com. Archived from the original on September 17, 2017. Retrieved September 17, 2017.
  14. ↑ Lane, Bob (March 20, 1975). "Metro program looks to future". The Seattle Times. p. H7.
  15. ↑ Lane, Bob (March 22, 1981). "'Light rail' system might solve transit problems, says study". The Seattle Times. p. A16.
  16. ↑ Lane, Bob (April 22, 1988). "Metro makes tracks for tracks for future". The Seattle Times. p. B1.
  17. ↑ Matassa Flores, Michele; Parrish, W.Y.; Shatzkin, Kate (September 13, 1989). "Cities' influence takes off: Expanded roles with more clout for Sea-Tac and Federal Way". The Seattle Times. p. F1.
  18. ↑ Bergsman, Jerry (July 9, 1986). "Panel's advice: Plan now for rail". The Seattle Times. p. H1.
  19. ↑ "Appendix G: Environmental Justice Technical Report". Central Link Light Rail Transit Project Final Environmental Impact Statement. Sound Transit. October 22, 1999. p. G-36. OCLC 42730086. Archived from the original on January 19, 2018. Retrieved January 3, 2018 – via Google Books.
  20. ↑ Lane, Bob (November 9, 1988). "Ballot Issues: On track, voters say 'hop to' on rail transit". The Seattle Times. p. E9.
  21. ↑ Bergsman, Jerry (August 21, 1990). "Everett's OK may speed regional transit". The Seattle Times. p. C2.
  22. ↑ Sachefer, David (July 7, 1993). "Regional transit unit gets go-ahead". The Seattle Times. p. B3.
  23. ↑ Lilly, Dick (April 5, 1994). "Light-rail option would traverse Rainier Valley". The Seattle Times. p. B3.
  24. ↑ Schaefer, David (February 12, 1995). "On the right track? Questions, answers to the $6.7 billion proposal". The Seattle Times. p. A1.
  25. ↑ Schaefer, David; Murakami, Kery (March 15, 1995). "Transit plan derailed: Pierce, Snohomish county voters say no to $6.7 billion proposal". The Seattle Times. p. A1. Archived from the original on January 19, 2018. Retrieved January 18, 2018.
  26. 1 2 Schaefer, David (October 6, 1996). "Looking at the new transit proposal". The Seattle Times. p. A1. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  27. ↑ Schaefer, David (November 6, 1996). "Voters back transit plan on fourth try". The Seattle Times. p. A1. Archived from the original on March 3, 2016. Retrieved September 17, 2017.
  28. ↑ Schaefer, David (December 10, 1997). "Residents debate light-rail route: under or out of our neighborhood, some say". The Seattle Times. p. B1. Archived from the original on August 14, 2017. Retrieved September 17, 2017.
  29. ↑ "Sound Transit Motion No. M98-40" (PDF). Sound Transit. May 14, 1998. Archived (PDF) from the original on September 13, 2017. Retrieved September 17, 2017.
  30. ↑ "Sound Transit Board achieves historic milestone by selecting route for central Link light rail" (Press release). Seattle, Washington: Sound Transit. November 18, 1999. Archived from the original on March 3, 2016. Retrieved September 17, 2017.
  31. ↑ "Light-rail costs soars $1 billion". The Seattle Times. December 13, 2000. p. A1. Archived from the original on January 14, 2016. Retrieved September 17, 2017.
  32. ↑ Garber, Andrew (January 18, 2001). "Congressman wants to delay light-rail money". The Seattle Times. p. A1. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  33. ↑ Dudley, Brier (November 18, 2000). "Price puts tunnel on hold". The Seattle Times. p. A1. Archived from the original on August 14, 2017. Retrieved September 17, 2017.
  34. ↑ Garber, Andrew (January 20, 2001). "Half-billion allocated for Sound Transit". The Seattle Times. p. B1. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  35. ↑ "Central Link Initial Segment and Airport Link Before and After Study – Final Report" (PDF). Sound Transit. February 2014. p. 1. Retrieved March 21, 2018 – via Washington State Department of Transportation.
  36. ↑ Garber, Andrew (September 26, 2001). "Sound Transit says it can build 14-mile line; light rail stops short of airport". The Seattle Times. p. B1. Archived from the original on January 6, 2017. Retrieved September 17, 2017.
  37. ↑ Garber, Andrew (September 28, 2001). "Shorter light-rail line OK'd". The Seattle Times. p. A1. Archived from the original on January 7, 2017. Retrieved September 17, 2017.
  38. ↑ Pryne, Eric (November 30, 2001). "Sound Transit adopts 14-mile route; light-rail construction could start in summer". The Seattle Times. p. A1. Archived from the original on January 6, 2017. Retrieved September 17, 2017.
  39. ↑ Pryne, Eric (March 15, 2002). "Sound Transit gets green light to buy land for light rail". The Seattle Times. p. B1. Archived from the original on January 7, 2017. Retrieved September 17, 2017.
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  41. ↑ Gilmore, Susan (February 11, 2003). "Judge tosses out $30 tabs". The Seattle Times. p. A1. Archived from the original on September 18, 2017. Retrieved September 17, 2017.
  42. ↑ Pryne, Eric (June 29, 2002). "Sound Transit's hopes revived; Tukwila's approval 'not required'". The Seattle Times. p. A1. Archived from the original on January 6, 2017. Retrieved September 17, 2017.
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  45. 1 2 "Sound Transit installs first rails for Central Link light rail line" (Press release). Sound Transit. August 18, 2005. Archived from the original on July 28, 2017. Retrieved September 17, 2017.
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