Mr. Yamada, the president of JR Central, announced at the regular press conference on February 27 that it would raise the maximum speed of the Tokaido Shinkansen from current 270 km/h to 285 km/h from spring 2015. The service will he one train an hour temporarily. Travel times between Tokyo and Shin-Osaka is expected to be shortened a few minutes comparing with current 2 hours 25 minutes. JR Central has been developing new type vehicles with a state of art technology improving safety and reliability. Currently it would operate 4 type vehicles, Series 700, "N700A" (replacing Series 700), "N700 modified vehicle" (addition to Type A function) and "Series N700".
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机译：JR Central总裁山田先生在2月27日的例行新闻发布会上宣布，将从2015年春季起，将东海道新干线的最高速度从目前的270公里/小时提高到285公里/小时。临时训练一个小时。与目前的2小时25分钟相比，预计东京和新大阪之间的旅行时间将缩短几分钟。 JR Central一直在开发具有先进技术的新型车辆，以提高安全性和可靠性。目前，它将运行4型车辆，即700系列，“ N700A”（代替700系列），“ N700改进型车辆”（A型功能的补充）和“ N700系列”。
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