Purple Line (MTA)
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The Purple Line is a
light rail Light rail (or light rail transit, abbreviated to LRT) is a form of passenger urban rail transit that uses rolling stock derived from tram technology National Conference of the Transportation Research Board while also having some features from ...
line being built to link several
Maryland Maryland ( ) is a U.S. state, state in the Mid-Atlantic (United States), Mid-Atlantic region of the United States. It borders the states of Virginia to its south, West Virginia to its west, Pennsylvania to its north, and Delaware to its east ...
suburbs of
Washington, D.C. Washington, D.C., formally the District of Columbia and commonly known as Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River, across from Virginia, and shares land borders with ...
: Bethesda, Silver Spring, College Park, and New Carrollton. Currently slated to open in late 2027, the line will also enable riders to move between the Maryland branches of the
Red Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–750 nanometres. It is a primary color in the RGB color model and a seconda ...
,
Green Green is the color between cyan and yellow on the visible spectrum. It is evoked by light which has a dominant wavelength of roughly 495570 nm. In subtractive color systems, used in painting and color printing, it is created by a com ...
, and
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lines of the
Washington Metro The Washington Metro, often abbreviated as the Metro and formally the Metrorail, is a rapid transit system serving the Washington metropolitan area of the United States. It is administered by the Washington Metropolitan Area Transit Authority ...
without riding into central Washington, and between all three lines of the MARC commuter rail system. The project is administered by the
Maryland Transit Administration The Maryland Transit Administration (MTA) is a state-operated mass transit administration in Maryland, and is part of the Maryland Department of Transportation (MDOT). The MTA operates a comprehensive transit system throughout the Washington ...
(MTA), an agency of the
Maryland Department of Transportation The Maryland Department of Transportation (MDOT) is an organization comprising five business units and one Authority: * Maryland Transportation Authority (Transportation Secretary serves as chairman of the Maryland Transportation Authority) ** ...
(MDOT), and not the
Washington Metropolitan Area Transit Authority The Washington Metropolitan Area Transit Authority (WMATA ), commonly referred to as Metro, is a tri-jurisdictional public transit agency that operates transit services in the Washington metropolitan area. WMATA provides rapid transit servic ...
(WMATA), which operates Metro. Throughout its decades-long planning process, the project was dogged by resistance, particularly from residents of the upscale community of
Chevy Chase Cornelius Crane "Chevy" Chase (; born October 8, 1943) is an American comedian, actor, and writer. He became the breakout cast member in the first season of ''Saturday Night Live'' (1975–1976), where his recurring ''Weekend Update'' segment b ...
and members of the Columbia Country Club. From 2003 to 2006, Maryland Governor
Robert Ehrlich Robert Leroy Ehrlich Jr. (born November 25, 1957) is an American lawyer and politician who served as the List of Governors of Maryland, 60th governor of Maryland from 2003 to 2007. A Republican Party (United States), Republican, Ehrlich represe ...
changed the proposed mode of transportation from light rail to bus rapid transit. Legal attempts to thwart the line continued even after construction had begun; but in December 2017, the
U.S. Court of Appeals for the D.C. Circuit The United States Court of Appeals for the District of Columbia Circuit (in case citations, D.C. Cir.) is one of the thirteen United States Courts of Appeals. It has the smallest geographical jurisdiction of any of the U.S. courts of appeals, ...
ruled that Purple Line construction could continue despite these objections. In 2016, a
consortium A consortium () is an association of two or more individuals, companies, organizations, or governments (or any combination of these entities) with the objective of participating in a common activity or pooling their resources for achieving a ...
headed by Fluor Enterprises won the $5.6 billion contract to design and build the Purple Line, then to operate and maintain it for 36 years. Construction began in August 2017. Work halted in September 2020, when the consortium withdrew from the contract, citing mounting delays and disputes with the state government. The project had already consumed $1.1 billion of the anticipated $2 billion construction cost. A new
general contractor A contractor (North American English) or builder (British English), is responsible for the day-to-day oversight of a construction site, management of vendors and trades, and the communication of information to all involved parties throughout the c ...
was selected in November 2021, and a new contract was signed in April 2022. This new agreement added $3.7 billion to the total cost of building, running, and maintaining the Purple Line for 30 years, bringing it to $9.3 billion. Construction costs alone rose $1.46 billion, bringing the total to $3.4 billion. Full-scale construction activity resumed in summer 2022. Costs rose and the opening date receded again in 2023 and 2024. As of March 2024, the estimated cost to build the line and operate it through 2057 was $9.53 billion, some $4 billion over the initial 2016 budget of $5.6 billion. Train service is expected to begin in December 2027.


History


Early studies, public debate, design

The "Purple Line" has been the name of two different transit proposals. In 1994, John J. Corley Jr., an architect with
Harry Weese Harry Mohr Weese (June 30, 1915 – October 29, 1998) was an Americans, American architect who had an important role in 20th-century modernism and historic preservation. His brother, Ben Weese, was also a renowned architect. Early life and educat ...
Associates (which designed the Washington Metro system) proposed a multibillion-dollar Metro line around the
Capital Beltway The Capital Beltway, designated as Interstate 495 (I-495) for its entire length, is an List of auxiliary Interstate Highways, auxiliary Interstate Highway in the Washington metropolitan area. The Ring road, beltway encircles Washington, D.C., ...
. This would have served as a "ring" line, connecting suburb to suburb and complementing the existing Metro lines, which radiate from Washington. (''See'' Rapid transit#Network topologies.) In 1998, the Beltway Purple Line received considerable political support from Montgomery County Executive Douglas M. Duncan and Governor
Parris Glendening Parris Nelson Glendening (born June 11, 1942) is an American politician and academic who served as the 59th governor of Maryland from 1995 to 2003. He previously served as the county executive of Prince George's County, Maryland from 1982 to 19 ...
, which was a $10 billion, line from National Harbor to Montgomery Mall. In 1987, after
CSX CSX Transportation , known colloquially as simply CSX, is a Railroad classes, Class I freight railroad company operating in the Eastern United States and the Canadian provinces of Ontario and Quebec. Operating about 21,000 route miles () of trac ...
expressed a desire to abandon the Georgetown Branch rail line, Maryland leaders immediately started planning to repurpose it for transit and a hiking trail. The idea of adapting the railroad for a transit line dated back at least as far as 1970, when such a use was included in the October 1970 Master Plan for the Bethesda-Chevy Chase Planning Area. Montgomery County purchased its portion of the railroad right-of-way from CSX in 1988 and in 1989 budgeted $107 million to build a trolley between Bethesda and Silver Spring and a pair of trails between Silver Spring and the District. Eventually, this proposal came known as the "Inner Purple Line" to distinguish it from the "Beltway Purple Line". By 2001, the "Beltway Purple Line" proposal had been abandoned as too costly and the name was attached to the Bethesda to line. Robert Flanagan, the Maryland State Secretary of Transportation under Governor
Robert Ehrlich Robert Leroy Ehrlich Jr. (born November 25, 1957) is an American lawyer and politician who served as the List of Governors of Maryland, 60th governor of Maryland from 2003 to 2007. A Republican Party (United States), Republican, Ehrlich represe ...
, merged the Purple Line proposal with the Georgetown Branch Light Rail Transit (GBLRT) line. The GBLRT was proposed as a light rail transit line from westward, following the former Georgetown Branch of the
Baltimore and Ohio Railroad The Baltimore and Ohio Railroad was the oldest railroads in North America, oldest railroad in the United States and the first steam engine, steam-operated common carrier. Construction of the line began in 1828, and it operated as B&O from 1830 ...
, now a short CSX siding and the
Capital Crescent Trail The Capital Crescent Trail (CCT) is a , shared-use rail trail that runs from Georgetown in Washington, D.C., to Bethesda, Maryland. An extension of the trail from Bethesda to Silver Spring along a route formerly known as the Georgetown Branch ...
, to . In March 2003, the Ehrlich administration renamed the project the "Bi-County Transitway", reflecting a proposal by Ehrlich and Flanagan to use bus rapid transit instead of
light rail Light rail (or light rail transit, abbreviated to LRT) is a form of passenger urban rail transit that uses rolling stock derived from tram technology National Conference of the Transportation Research Board while also having some features from ...
, and because the name "Purple Line" seemed to suggest a new heavy-rail system like the color-named lines of the Washington Metro system. The new name did not catch on; several media outlets and most citizens continued to refer to the "Purple Line". In 2007, Governor
Martin O'Malley Martin Joseph O'Malley (born January 18, 1963) is an American politician who served as the 17th commissioner of the Social Security Administration from 2023 to 2024. A member of the Democratic Party (United States), Democratic Party, he was th ...
and Secretary of Transportation John Porcari reverted to "Purple Line". In January 2008, the O'Malley administration allocated $100 million within a six-year capital budget to complete design documents for state approval and funding of the Purple Line. In May 2008, it was projected that the Purple Line would have about 68,000 daily trips. A draft environmental impact study was issued on October 20, 2008. On December 22, 2008, Montgomery County planners endorsed building a light rail line rather than a bus line. On January 15, 2009, the county planning board also endorsed the light rail option, and County Executive
Isiah Leggett Isiah "Ike" Leggett (born July 25, 1944) is an American politician from the U.S. state of Maryland and former executive of Montgomery County, Maryland. He is a member of the Democratic Party (United States), Democratic Party. Born in Deweyville, ...
has also expressed support. On October 21, 2009, members of the National Capital Region Transportation Planning Board voted unanimously to approve the Purple Line light rail project for inclusion into the region's Constrained Long-Range Transportation Plan. Planners proposed to use existing Washington Metro stations and to accept the WMATA's
SmarTrip SmarTrip is a contactless stored-value smart card payment system managed by the Washington Metropolitan Area Transit Authority (WMATA). The Maryland Transit Administration (MTA) uses a compatible payment system called CharmCard. A reciprocity ...
farecard. Metro's 2008 annual report envisioned that the Purple Line would be fully integrated with the existing Washington Metro transit system by 2030. The proposed project drew support and opposition in the community:


Support for Purple Line

* Purple Line Now is a non-profit organization that advocated for a Purple Line light rail line from Bethesda to New Carrollton to be integrated with a hiker/biker trail from Bethesda to Silver Spring. * The Action Committee for Transit is a community group that supports the Purple Line. * ''
The Washington Post ''The Washington Post'', locally known as ''The'' ''Post'' and, informally, ''WaPo'' or ''WP'', is an American daily newspaper published in Washington, D.C., the national capital. It is the most widely circulated newspaper in the Washington m ...
'' editorial board endorsed the Purple Line light rail option in 2008. * The Montgomery County Council and Prince George's County Council voted unanimously in favor of the light rail option for the Purple Line in January 2009. * Maryland state officials (including former Governor Martin O'Malley) are also strong Purple Line advocates. State officials say that a Purple Line, which is to run primarily above ground, "would provide better east–west transit service, particularly for lower-income workers who cannot afford cars." * The development firm Chevy Chase Land Company is a strong proponent of the construction of the Purple Line. The website for the pro-Purple umbrella group Purple Line NOW! lists CCLC president Edward Asher as a member of its board of directors. ''The Washington Post'' stated that the development firm would "no doubt profit from property it owns near at least one of the proposed stations." * The
Sierra Club The Sierra Club is an American environmental organization with chapters in all 50 U.S. states, Washington, D.C., Washington D.C., and Puerto Rico. The club was founded in 1892, in San Francisco, by preservationist John Muir. A product of the Pro ...
advocates a larger-scale rail system to parallel the
Capital Beltway The Capital Beltway, designated as Interstate 495 (I-495) for its entire length, is an List of auxiliary Interstate Highways, auxiliary Interstate Highway in the Washington metropolitan area. The Ring road, beltway encircles Washington, D.C., ...
and link all existing Metro lines at their peripheries. This environmental group advocates rail transit over
car A car, or an automobile, is a motor vehicle with wheels. Most definitions of cars state that they run primarily on roads, seat one to eight people, have four wheels, and mainly transport people rather than cargo. There are around one billio ...
use because
carbon emissions Greenhouse gas (GHG) emissions from human activities intensify the greenhouse effect. This contributes to climate change. Carbon dioxide (), from burning fossil fuels such as coal, petroleum, oil, and natural gas, is the main cause of climate chan ...
are a major cause of
climate change Present-day climate change includes both global warming—the ongoing increase in Global surface temperature, global average temperature—and its wider effects on Earth's climate system. Climate variability and change, Climate change in ...
. * Some student leaders (the Student Government Association and Graduate Student Government) at the
University of Maryland The University of Maryland, College Park (University of Maryland, UMD, or simply Maryland) is a public land-grant research university in College Park, Maryland, United States. Founded in 1856, UMD is the flagship institution of the Univ ...
support transit alternatives to campus. * On January 27, 2009, the Montgomery County Council voted to support the light rail option. Governor O'Malley announced his own approval on August 4, 2009. * The vice president of trail development for the Rails-to-Trails Conservancy has said that with proper design, the trail-Purple Line combination can be "among the best in the nation." *Members of the
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group A group is a number of persons or things that are located, gathered, or classed together. Groups of people * Cultural group, a group whose members share the same cultural identity * Ethnic group, a group whose members share the same ethnic iden ...
New Urbanist Memes for Transit-Oriented Teens were "irrationally excited for the forthcoming Maryland purple line."


Support for bus

* A 2008 study by Sam Schwartz Engineering for the Town of Chevy Chase supported bus rapid transit using an alternate Jones Bridge Road alignment. The Chevy Chase study expressed concerns about the expected ridership numbers,
carbon footprint A carbon footprint (or greenhouse gas footprint) is a calculated value or index that makes it possible to compare the total amount of greenhouse gases that an activity, product, company or country Greenhouse gas emissions, adds to the atmospher ...
, interruptions in recreation pathways, and the cost of bus and light rail proposals by the MTA involving a
Capital Crescent Trail The Capital Crescent Trail (CCT) is a , shared-use rail trail that runs from Georgetown in Washington, D.C., to Bethesda, Maryland. An extension of the trail from Bethesda to Silver Spring along a route formerly known as the Georgetown Branch ...
alignment. Although a Jones Bridge Road alignment was also proposed by the MTA, the study noted that features typical of bus rapid transit that were missing from the MTA proposal.


Opposition to rail

* A not-for-profit local organization, Friends of the Capital Crescent Trail, began collecting signatures on a petition opposing the MTA's Purple Line proposals in 2003; in 2014, it filed a lawsuit in the U.S. District Court in the District of Columbia asserting that the Federal Transit Administration had not complied with federal environmental laws when it approved a grant to help build the Purple Line. In 2008, the organization's website asserted that the MTA's light rail and bus rapid transit proposals would undermine the environment and safety on the
Capital Crescent Trail The Capital Crescent Trail (CCT) is a , shared-use rail trail that runs from Georgetown in Washington, D.C., to Bethesda, Maryland. An extension of the trail from Bethesda to Silver Spring along a route formerly known as the Georgetown Branch ...
, and endorsed running bus rapid transit on Jones Bridge Road, as recommended by the Chevy Chase study. But the petition called for yet a different option because the Jones Bridge Road route would affect the trail.Save the Trail Petition: Alternatives
Studies of alternatives to a Capital Crescent Trail alignment, retrieved December 2, 2009
* A leading opponent of the Purple Line was the Columbia Country Club, a private club whose
golf course A golf course is the grounds on which the sport of golf is played. It consists of a series of holes, each consisting of a teeing ground, tee box, a #Fairway and rough, fairway, the #Fairway and rough, rough and other hazard (golf), hazards, and ...
occupies both sides of the planned route between Bethesda and Silver Spring. The club, "long viewed as one of the most well-financed and politically connected Purple Line foes", spent thousands of dollars over a decade lobbying state and federal officials, hosting fundraisers for sympathetic politicians, and organizing "grassroots" opposition. In 2013, newly elected leaders of the Club signed an agreement not to oppose the Purple Line if its route were adjusted by and other concessions were granted. * Opponents in the Town of Chevy Chase cited the town's study of bus rapid transit alternatives. The study estimated a cost of less than $1 billion for a bus rapid transit system, compared with an estimated cost of $1.8 billion for light rail. A 2011 news report placed the cost of the rail line at . * In 2010, residents around the Dale Wayne stop worried that doubling the size of the road, along with the county's "smart growth" policy around transit stops, would encourage commercial development in a residential neighborhood. They wondered about the accuracy of the MTA's prediction that the Dale station would see 1,427 daily boardings.


Approval

In June 2015, the Purple Line was approved by Governor
Larry Hogan Lawrence Joseph Hogan Jr. (born May 25, 1956) is an American politician who served as the 62nd governor of Maryland from 2015 to 2023. A member of the Republican Party and son of three-term U.S. representative Lawrence Hogan, he served as co-ch ...
, who opposed the project while campaigning in 2014. Hogan cancelled its sister project, the Baltimore Red Line, citing excessive costs, and reduced the state's contribution to the Purple Line from $700 million to $168 million, putting the difference toward highway construction. To make up the difference, Prince George's and Montgomery counties would contribute more money and the frequency of train service would be reduced. The Purple Line was procured as a full design-build-finance-operate-maintain
public–private partnership A public–private partnership (PPP, 3P, or P3) is a long-term arrangement between a government and private sectors, private sector institutions.Hodge, G. A and Greve, C. (2007), Public–Private Partnerships: An International Performance Revie ...
. On December 7, 2015, four teams composed of major American and international firms submitted their bids to realize the project: * Maryland Purple Line Partners: Vinci Concessions, Walsh Investors, InfraRed Capital,
Alstom Alstom SA () is a French multinational rolling stock manufacturer which operates worldwide in rail transport markets. It is active in the fields of passenger transportation, signaling, and locomotives, producing high-speed, suburban, regional ...
and
Keolis Keolis is a French transportation company that operates public transport systems all over the world. It manages bus, rapid transit, tram, coach networks, rental bikes, car parks, water taxi, cable car, trolleybus, and funicular services. B ...
* Maryland Transit Connectors: John Laing Investments, Kiewit Development Company, Edgemoor Infrastructure & Real Estate and
RATP Dev The RATP Group () is a French state-owned enterprise (Établissement public à caractère industriel et commercial, EPIC) that operates public transport systems primarily in Paris, France. Headquartered in Paris, it originally operated under th ...
* Purple Line Transit Partners:
Meridiam Meridiam is a global investor and asset manager based in Paris specialized in developing, financing and managing long-term public infrastructure projects. Founded in 2005, Meridiam invests in public infrastructure across Europe, Africa and the Am ...
,
Fluor Corporation Fluor Corporation is an American engineering and construction firm, headquartered in Irving, Texas. It is a holding company that provides services through its subsidiaries in three main areas: oil and gas, industrial and infrastructure, government ...
, Star America, CAF and Alternate Concepts * Purple Plus Alliance: Macquarie Capital Group,
Skanska Skanska AB () is a multinational construction and development company based in Sweden. It was established in 1887 as a concrete product manufacturer. History Aktiebolaget Skånska Cementgjuteriet (Scanian Cement Casting Ltd) was established i ...
,
Kinki Sharyo is a Japanese manufacturer of railroad vehicles based in Osaka. It is an affiliate company of Kintetsu Corporation. In business since 1920 as Tanaka Rolling Stock Works, and renamed The Kinki Sharyo Co., Ltd in 1945, they produce rolling stock f ...
and
Transdev Transdev, formerly Veolia Transdev, is a France-based international private-sector company which operates public transport. It has operations in 17 countries and territories as of November 2020. Transdev was formed on 3 April 2011 via the merg ...
. On March 2, 2016, Hogan announced that the state had chosen Purple Line Transit Partners to build, operate, and maintain the Purple Line for $3.3 billion over 36 years, with service to start in late 2022. On April 6, 2016, the Maryland Board of Public Works (composed of Hogan, State Treasurer
Nancy K. Kopp Nancy K. Kopp (born December 7, 1943) is an American politician who previously served as the Treasurer of Maryland from 2002 to 2021. A Democrat, she was a member of the Maryland House of Delegates, representing the 16th legislative district in ...
, and State Comptroller
Peter Franchot Peter Van Rensselaer Franchot (born November 25, 1947) is an American politician who was the 33rd comptroller of Maryland. A member of the Democratic Party (United States), Democratic Party, Franchot served for 20 years in the Maryland House of D ...
) unanimously approved the contract. The $5.6 billion contract is 876 pages long and, according to ''The Washington Post'' is "believed to be the most expensive government contract ever in Maryland" and "one of the largest public-private partnerships on a U.S. transportation project" ever. The contract approval allowed the MTA to finalize $900 million in federal construction grants. In August 2016,
U.S. District Court The United States district courts are the trial courts of the U.S. federal judiciary. There is one district court for each federal judicial district. Each district covers one U.S. state or a portion of a state. There is at least one feder ...
Judge A judge is a person who wiktionary:preside, presides over court proceedings, either alone or as a part of a judicial panel. In an adversarial system, the judge hears all the witnesses and any other Evidence (law), evidence presented by the barris ...
Richard J. Leon
vacate A vacated judgment (also known as vacatur relief) is a legal judgment that legally voids a previous legal judgment. A vacated judgment is usually the result of the judgment of an appellate court, which overturns, reverses, or sets aside the judgme ...
d the Purple Line's federal approval, ruling that the MTA and the
Federal Transit Administration The Federal Transit Administration (FTA) is an agency within the United States Department of Transportation (DOT) that provides financial and technical assistance to local public transportation systems. The FTA is one of ten modal administration ...
did not properly study whether Metro's maintenance issues and ridership decline would affect the Purple Line. Hogan responded that Leon's residence at the Columbia Country Club, a leading opponent of the line, represented a conflict of interest. A federal funding agreement cannot be signed without the reinstatement of the environmental approval, and Maryland had said it could not afford to build the Purple Line without sufficient federal funding. On August 21, 2017, despite the ongoing court case over the environmental analysis, $900 million of federal funding was granted for the light rail project. On December 19, 2017, the
U.S. Court of Appeals for the D.C. Circuit The United States Court of Appeals for the District of Columbia Circuit (in case citations, D.C. Cir.) is one of the thirteen United States Courts of Appeals. It has the smallest geographical jurisdiction of any of the U.S. courts of appeals, ...
ruled in favor of the Purple Line, stating that declining ridership on the Washington Metro system does not require Maryland to complete a new environmental study for the Purple Line. This federal appeals court ruling allowed for construction to continue and effectively ended the three-year legal battle surrounding the light-rail line project. In 2019, the Purple Line Transit Partners said the opening date would slip to 2023 or 2024. On April 13, 2020,
U.S. District Judge The United States district courts are the trial courts of the United States federal judiciary, U.S. federal judiciary. There is one district court for each United States federal judicial district, federal judicial district. Each district cov ...
James Bredar dismissed the third and final lawsuit brought by opponents of the Purple Line.


Builder consortium quits

By 2020, the project had accrued over $800 million in change orders from Purple Line Transit Partners and the opening date had slipped 32 months. On May 1, the consortium declared their intent to cease work on the line and withdraw from their contract. A
temporary restraining order An injunction is an equitable remedy in the form of a special court order compelling a party to do or refrain from doing certain acts. It was developed by the English courts of equity but its origins go back to Roman law and the equitable reme ...
halted the company from quitting work, but it was lifted in September, and PLTP began packing up construction sites the following week. In November, MDOT announced that MTA had assumed many of the Purple Line's contracts, including the manufacturing of light-rail cars, operations, and maintenance, as well as design and construction contracts. On November 24, MDOT agreed to pay $250 million to PLTP to settle the costs of overruns, a move approved unanimously in mid-December by Maryland's Board of Public Works (BPW). Officials aimed to restart construction within nine months—i.e., fall 2021.


Work resumes

On November 5, 2021, Purple Line officials announced that the contract to finish construction would go to Maryland Transit Solutions: a joint venture of Dragados USA and OHL USA, both American subsidiaries of major Spanish construction firms. The contract was ultimately set at $2.3 billion, bringing total construction costs to $3.4 billion, some $1.46 billion over the 2016 plan. As 2022 opened, state officials said the line would open in fall 2026. The new construction contract was approved by BPW on January 26, 2022, and signed in April 2022. Full-scale construction activity resumed in summer 2022. In June 2022, MTA said that 77% of the necessary utility relocations had been completed, and that the Glenridge Operations and Maintenance Facility was complete and in operation. In January 2023, the estimated cost to build and operate the line for 36 years was $9.28 billion. In July 2023, MTA officials added $148 million to their construction-costs estimate, pushing the build-and-operate cost to $9.4 billion. The expected opening date was delayed to May 2027, more than five years later than first planned. The officials said the changes were due to the change of contractor, to inflation, and to labor shortages. In March 2024, MTA officials asked the state's Board of Public Works to approve another $425 million for the project. The extra money would go toward construction costs and also extend the contract to operate the line to 2057. The request would boost the total cost to build and operate the line to about $9.53 billion, about $4 billion over the initial 2016 budget of $5.6 billion. It was the second-largest request for extra funds, after the 2022 addition. They also moved the opening date to late 2027. In December 2024 it was reported that construction of the new mezzanine at the Bethesda station, a complex design, has led to extensive cost overruns. The construction process at Bethesda included extensive blasting operations.


Route and station locations

The planned rail line will connect the existing Metro, MARC commuter rail, and
Amtrak The National Railroad Passenger Corporation, Trade name, doing business as Amtrak (; ), is the national Passenger train, passenger railroad company of the United States. It operates intercity rail service in 46 of the 48 contiguous United Stat ...
stations at: * ( Metro Red Line) * ( Metro Red Line, MARC Brunswick Line) * ( Metro Green Line, MARC Camden Line) * ( Metro Orange Line, MARC Penn Line, Amtrak ''Northeast Regional'', Amtrak ''Vermonter'') The following stations are part of the "Locally Preferred Alternative" route approved by Governor Martin O'Malley on August 9, 2009:


Potential expansion

There have been several proposals to expand the 16-mile (28.8-km) line further into Maryland or to mirror the
Capital Beltway The Capital Beltway, designated as Interstate 495 (I-495) for its entire length, is an List of auxiliary Interstate Highways, auxiliary Interstate Highway in the Washington metropolitan area. The Ring road, beltway encircles Washington, D.C., ...
as a loop around the Washington, D.C., metropolitan area. In 2015, the
Sierra Club The Sierra Club is an American environmental organization with chapters in all 50 U.S. states, Washington, D.C., Washington D.C., and Puerto Rico. The club was founded in 1892, in San Francisco, by preservationist John Muir. A product of the Pro ...
has argued for a Purple Line that would "encircle Washington, D.C." and "connect existing suburban metro lines." Maryland Lieutenant Governor Anthony Brown, while campaigning in 2006, said he would "like to see the Purple Line go from Bethesda to across the
Woodrow Wilson Bridge The Woodrow Wilson Memorial Bridge, also known as the Woodrow Wilson Bridge or the Wilson Bridge, is a bascule bridge that spans the Potomac River between Alexandria, Virginia and Oxon Hill, Maryland in Prince George's County, Maryland. The ...
," adding, "Let's swing that boy all the way around”—that is, have the Purple Line circle through Virginia and back to the line's Bethesda terminus. The "The Inner Purple Line Campaign” advocacy group proposed in 2009 that the Purple Line be extended westward to
Tysons Corner Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, spanning from the corner of SR 123 (Chain Bridge Road) and SR 7 (Leesburg Pike). It is part of the Washington metropolitan are ...
and eastward to Largo, and that it could eventually cross the new Wilson Bridge from
Suitland Suitland is a suburb of Washington, D.C., approximately one mile (1.6 km) southeast of Washington, D.C. Suitland is a census designated place (CDP), as of the 2020 census, its population was 25,839. Prior to 2010, it was part of the Suitland ...
through Oxon Hill to
Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...
, eventually forming a rail line that encircles the city.What is the Purple Line?
, ''The Inner Purple Line Campaign'', a project of the Action Committee for Transit (ACT), retrieved December 4, 2009.
The
Woodrow Wilson Bridge The Woodrow Wilson Memorial Bridge, also known as the Woodrow Wilson Bridge or the Wilson Bridge, is a bascule bridge that spans the Potomac River between Alexandria, Virginia and Oxon Hill, Maryland in Prince George's County, Maryland. The ...
(I-495's southern crossing over the
Potomac River The Potomac River () is in the Mid-Atlantic (United States), Mid-Atlantic region of the United States and flows from the Potomac Highlands in West Virginia to Chesapeake Bay in Maryland. It is long,U.S. Geological Survey. National Hydrography D ...
) is built to carry a heavy or light rail line. Suggested stops along this proposed Purple Line expansion include: * * * Oxon Hill (potentially near
Rosecroft Raceway Rosecroft Raceway, nicknamed the "Raceway by the Beltway" for being close to Interstate 495 (Capital Beltway), Interstate 495, is a harness racing track in Fort Washington, Maryland. It first opened in 1949 and was owned by William E. Miller, a ...
, at which Metro has at times had plans to build a stop since 1980) * National Harbor *
Alexandria Alexandria ( ; ) is the List of cities and towns in Egypt#Largest cities, second largest city in Egypt and the List of coastal settlements of the Mediterranean Sea, largest city on the Mediterranean coast. It lies at the western edge of the Nile ...
, potentially the Metro station * Springfield * Annandale * *
Tysons Corner Tysons, also known as Tysons Corner, is a census-designated place (CDP) in Fairfax County, Virginia, United States, spanning from the corner of SR 123 (Chain Bridge Road) and SR 7 (Leesburg Pike). It is part of the Washington metropolitan are ...


Rolling stock

The light rail vehicles designed to run on the Purple Line are being built by CAF at their
Elmira, New York Elmira () is a Administrative divisions of New York#City, city in and the county seat of Chemung County, New York, United States. It is the principal city of the Elmira, New York, metropolitan statistical area, which encompasses Chemung County. ...
, facility. Each train is long, consists of 5 modules, and can carry up to 431 passengers (seated plus standing). CAF began testing the cars in 2020. Fabrication of all 130 modular car shells at the CAF facility in Spain was completed in June 2021. 26 of the 28 trains had been assembled as of February 2023. When the light rail vehicles were presented in summer 2024, they were the longest in the U.S.


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