A man jumped off a moving shinkansen train on 22nd April,
between 浜松 and 掛川 stations on the Tokaido Shinkansen Line. His body
was later found on a bridge. It was known that he had used the
emergency door open handle to open the normal cabin door of the
series 700, 'Nozomi' number 150 train. 150 serves between Osaka and
Tokyo Station with Kyoto, Nagoya and Shinagawa as stopping
stations. 42000 passengers affected and trains delayed 3 hours
maximum.
http://www.yomiuri.co.jp/national/news/20080422-OYT1T00650.htm
Never try this on our MRT trains.