JR東海が2027年に東京・品川―名古屋間で開通を目指すリニア中央新幹線について、事業を凍結して手続きをやり直すことを求める意見書が発表された。その内容とは? A magnetic-levitation (maglev) train passes at Central Japan Railway Co.'s Yamanashi Maglev test line in Tsuru City, Yamanashi Prefecture, Japan, on Tuesday, May 11, 2010. U.S. Transportation Secretary Ray LaHood is due to ride a 500 kilometers per hour (311 miles per hour) magnetic-levitation train in Japan today, spu