TOKYO -- The newest shinkansen bullet train from Japanese rail operator JR East begins test operation Friday, with its top speed expected to exceed the fastest now in service by at least 40 kph.
Next-generation shinkansen to clock in at 360 kph

The state-of-the-art Alfa-X shinkansen features a lengthy 22-meter nose. (Photo by Konosuke Urata)
TOKYO -- The newest shinkansen bullet train from Japanese rail operator JR East begins test operation Friday, with its top speed expected to exceed the fastest now in service by at least 40 kph.