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The 200 Series is a set of underground cars manufactured by China CNR Corporation and CITIC Construction for use on Line A of the Buenos Aires Underground in Argentina.〔(Metro car for Argentina ) - CNR Corporation Ltd.〕 The cars were made in order to replace the 100-year-old La Brugeoise cars which operated on the line up until 2013. The Buenos Aires Underground ordered 45 of these units, followed by a further 105 which are currently being integrated into the line.〔(El subte pasó a la Ciudad: qué puede cambiar en el servicio ) - Clarin, 1 January 2013.〕 ==Background and overview== Since the opening of Line A in 1913, it had used the same La Brugeoise et Nicaise et Delcuve rolling stock (along with a small number of UEC Preston cars at one point).〔(Los viejos vagones del subte volverán a circular como un paseo turístico ) - Clarin, 3 September 2013.〕 Over the years, numerous attempts were made at replacing the rolling stock on the line, though this proved challenging due to its tight curves and use of 1100 volt current instead of the 1500 volts used on the rest of the network. One such attempt was the Alstom Metropolis cars purchased at the turn of the 21st century, however these ultimately ended up serving on Line D.〔(Finalizó la entrega de los Alstom Metrópolis ) - EnElSubte, 9 March 2009.〕 Before then, an attempt at creating a single, standardised rolling stock model for the entire network had been made in the 1980s in the form of the Fiat-Materfer cars produced in Argentina, which had also been designed to easily switch from 1500v to 1100v with Line A in mind.〔(Ferrofilatelia ) - EnElSubte, 6 June 2010.〕 The Materfer cars also didn't make it to Line A at their time of production, though some are used on the line today as stand-ins for the C200 Series units which are yet to arrive from China.〔 In 2008, 45 of the CITIC-CNR cars (tailor-made for Line A) were ordered by the National Government for the network at a cost of $3 million per car.〔(Trenes manchados ) - EnElSubte, 12 November 2008.〕 However, this was still short of the 120 La Brugeoise cars operating on the line at that point and the addition of Puán and Carabobo stations in 2008 meant that the rolling stock was already stretched to full capacity. Furthermore, the opening of San José de Flores and San Pedrito stations was planned for 2013, which was also the date the CITIC-CNR trains were set to arrive along with the retirement of the La Brugeoise cars.〔(La extensión de la red de subterráneos ) - Buenos Aires Ciudad, 6 September 2013.〕 The cars arrived in 2013 and the line was temporarily closed down at the start of that year in order to convert the voltage to 1500v for their integration, as well as newer forced ventilation systems to accommodate for the hot air extracted by the air conditioning units of the new rolling stock.〔(La línea A de subte estará cerrada desde el 12 de enero al 8 de marzo ) - La Nacion, 4 January 2013.〕 The line re-opened in March 2013 with the 45 cars operational. They were praised for their quiet operating noise (the lowest in the network) and for their inclusion of newer features such as air conditioning, automated announcements and good lighting - which the 100-year-old La Brugeoise cars did not feature.〔(Con aire acondicionado y sin sacudidas, en la línea A de subte ) - La Nacion, 15 February 2015.〕〔(Subte Ruidoso ) - EnElSubte, 23 June 2015.〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Buenos Aires Underground 200 Series」の詳細全文を読む スポンサード リンク
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