Line D (Buenos Aires Underground)

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Línea D (SBASE) bullet.svg
Line D
Callao Station, Line D.jpg
Entrance to Callao station.
Type Rapid transit
System Buenos Aires Underground
Termini Catedral
Congreso de Tucumán
Stations 16
Daily ridership 440,384 (2009)[1] Increase.svg 6.3%
Opened 1937
Operator(s) Metrovías
Character Underground
Rolling stock 100 Series, Fiat-Materfer
Line length 11 km (6.84 mi)
Track gauge 1,435 mm (4 ft 8 12 in)
Electrification Catenary
Route map

Service tunnel
Línea A (SBASE) bullet.svg Línea E (SBASE) bullet.svg
Service tunnels
9 de Julio
Línea B (SBASE) bullet.svg Línea C (SBASE) bullet.svg Metrobus9dejulio.png
Facultad de Medicina
Línea H (SBASE) bullet.svg
Scalabrini Ortiz
Canning Workshops
Plaza Italia
Metrobusjuanbjusto.png San Martín Line
Apeadero Carranza
Ministro Carranza
Mitre Line
José Hernández
Congreso de Tucumán
Manuela Pedraza Garages

Line D of the Buenos Aires Underground runs from Catedral to Congreso de Tucumán. The D Line opened on 3 June 1937 and has been expanded to the north several times. The line is currently 11 km long and has 16 stations, while running approximately parallel to the city's coastline.


The original plans for Line D were similar to those of Line G

Line D was the second line to be built by the Hispanic-Argentine Company for Public Works and Finances (CHADOPyF), following the construction of Line C in 1934. Construction began in 1935 and the first part of the line was inaugurated in 1937 and ran 1.7 km from Catedral (still the current terminus) to Tribunales. Three years later, the section which brought the line to Plaza Italia in Palermo was completed, bringing the length of the line to 6.5 km.

The line was not properly extended until 1993 when it was extended to Ministro Caranza, a station named after the Radical politician. Further extensions occurred in the 1990s, beginning in 1997 with the opening of Olleros and José Hernández, then Juramento in 1999, and finally Congreso de Tucumán in 2000, where it currently terminates.[2]

Over the decades it has been discussed numerous times whether to extend the line out to the limits of the city proper. The last of these proposals came forward in 2002 which would have seen an additional two stations added to the line. However, this was later abandoned since the line was already at full capacity after the opening of Congreso de Tucumán station.[3] In June 2015 the Metrobus Cabildo line opened, connecting Line D from its terminus at Congreso de Tucumán to Vicente López district in Greater Buenos Aires, some kilometres away from the city limits, essentially making the extension of Line D redundant.[4] Line D is the only line in the network which will not be extended as part of the most recent expansion plan.

Until the privatisation of the underground in the 1990s, Line D was identified by the red colour; whilst Line B used green.

Museum Stations[edit]

Olleros station platforms.

Line D carries out cultural activities on stations Juramento, Congreso de Tucumán and Olleros. These stations can be visited in order to appreciate the expositions and stands destined to rotary exhibitions coming from the City’s Museums, as well as the Nation’s, educative institutions and other civil society organizations.

“The objective of the museum-stations is to get the population acquainted with the huge cultural and historical patrimony that the City owns, thus turning the subway network, a massive transport medium, into an ideal diffusion agent. The lending of the facilities is absolutely free for the museum and institutions that wish to exhibit their activities or part of the historical or cultural patrimony they treasure”.[5]

Rolling stock[edit]

Line D was originally served by Siemens-Schuckert Orenstein & Koppel rolling stock, and then by CAF cars. In 1999, cars from the Nagoya Municipal Subway were purchased second hand from Japan and incorporated into the line. In 2001, numerous Alstom Metropolis 100 Series cars were purchased and built in Brazil and Argentina with the intention of incorporating them into Line A, however they were ultimately put in service on Line D where they remain to this day. More 100 Series cars continued to be purchased in that decade up until 2009, making a total of 96 cars.[6]

The remaining Nagoya cars were moved to Line C in 2007 and replaced with the 100 Series cars and with Fiat-Materfer cars. To make the rolling stock more uniform, 24 more modern 300 Series Alstom Metropolis cars were ordered in 2013 to replace the Materfer cars on the line, meaning that the line would be entirely composed of 120 Alstom cars.[7] In September 2015, at a conference in Brazil, the head of SBASE gave a presentation in which the number of new cars to be purchased for the line was 84 instead of 30.[8] By 2016, the final figure had been fixed at 60 new cars, meaning that the fleet will be composed of 156 Alstom Metropolis cars by 2017.[9]



  1. ^ Subte récord: ya transporta 1.7 millón de pasajeros por día. Clarín - (Spanish) - Retrieved 2011-01-20
  2. ^ Linea D - Ciudad de Buenos Aires
  3. ^ ¿Por qué la línea D no llega hasta Puente Saavedra? - EnElSubte, 25 June 2013.
  4. ^ Inaugurarían en junio el Metrobús Cabildo - EnElSubte, 6 May 2015.
  5. ^ Quote > Subterráneos de Buenos Aires (English)
  6. ^ Finalizó la entrega de los Alstom Metrópolis - EnElSubte, 9 March 2009.
  7. ^ SBASE anuncia nuevos coches con foto del Metro de San Pablo - EnElSubte, 21 January 2014.
  8. ^ Plan de modernización del Subterráneo de Buenos Aires - Buenos Aires Ciudad, September 2015.
  9. ^ "La Ciudad coloca deuda para comprar 60 coches Alstom para la línea D". EnElSubte (in Spanish). 28 January 2016. Retrieved 7 July 2016. 

External links[edit]