page_title: Line D (Buenos Aires Underground)
section_title: Rolling stock
hierarchical_section_title: Line D (Buenos Aires Underground) / Rolling stock
caption_attribution_description: English: Buenos Aires Underground Alstom Metropolis (100 Series) rolling stock on Line D of the Buenos Aires Underground.
context_page_description: 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.
context_section_description: 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.
  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. 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. 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.
caption: Buenos Aires Underground 100 Series rolling stock
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