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The KTX-I or simply KTX, also known as TGV-K, is a South Korean high speed train class based on the French TGV Réseau. The 20-car formation of the trainsets without restaurant car is optimized for high capacity. The 46 trainsets were built partly in France and partly in South Korea in the framework of a technology transfer agreement, which was the basis for further domestic high-speed train development in South Korea. The high-speed rail service of South Korea's national rail carrier Korail, Korea Train Express (KTX), started with the KTX-I. The operational reliability of the trains was improved over time with better maintenance and minor modifications. As of 2011, the KTX-I remains Korail's main workhorse in KTX service with a maximum scheduled speed of . ==History== In 1991, bids were called for the supply and technology transfer of the core system technology,〔(【引用サイトリンク】title=차량 발달사: 차량 선정 )〕 encompassing the catenary, signalling and rolling stock, for a South Korean high speed train service. On August 26, 1991, three competitors submitted initial bids: consortia led by GEC-Alsthom (today Alstom), one of the builders of France's TGV/LGV system; Siemens, one of the builders of Germany's ICE; and Mitsubishi, one of the builders of Japan's Shinkansen. After five rounds of evaluation, the French and German consortia submitted final bids on June 15, 1993.〔 The Korea High Speed Rail Construction Authority (KHSRCA) announced that the GEC-Alsthom-led consortium is the preferred bidder on August 20, 1993, and the contract was signed on June 14, 1994.〔 Part of the core system contract won by GEC-Alsthom and its South Korean subsidiary Eukorail were the first high-speed trains in South Korea, the KTX-I, which were based on the TGV Réseau. The carbody of the first end car was manufactured in January 1996, the first full train was completed and began testing in France in December 1997, and was shipped to South Korea in March 1998. The first test run in South Korea took place in December 1999.〔 In June 2000, the speed of had been achieved, regular testing at that speed started in November 2000, after all of the 12 sets built by Alstom in France have been delivered to South Korea.〔 In line with the core system contract condition that over 50% of the added value has to come from South Korea after technology transfer, the remaining 34 of the 46 trainsets ordered were built under license by Rotem in South Korea itself.〔 The first carbody manufactured in Korea was completed in October 1999, the first complete train was rolled out in April 2002, and all trains were delivered by December 2003.〔 From the beginning of January 2004 until the start of regular service on April 1, 2004, 25–28 of the trains were in operation each day when the KTX system was put under intensive test operation to prepare all system components and personnel for regular service. 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「KTX-I」の詳細全文を読む スポンサード リンク
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