The N700 series (N700系) is a Japanese Shinkansen high-speed train with tilting capability developed jointly by JR Central and JR West for use on the Tokaido and Sanyo Shinkansen lines since 2007, and also operated by JR Kyushu on the Kyushu Shinkansen line.N700 series trains have a maximum speed of 300 km/h (186 mph), and tilting of up to one degree allows the trains to maintain 270 km/h (168 mph) even on 2,500 m (8,200 ft) radius curves that previously had a maximum speed of 255 km/h (158 mph).