The segment from Morioka to Akita began operating on March 22, 1997. March 22 is the 81st day of the year in the Gregorian Calendar (82nd in Leap years). ... 1997 is a common year starting on Wednesday of the Gregorian calendar. ...
Komachi trains couple with Hayate (or sometimes Yamabiko) trains on the Tohoku Shinkansen for the portion of the journey between Tokyo and Morioka. Between Morioka and Akita, the Komachi runs as a six-car independent train. It uses E3 series rolling stock.
Between Tokyo and Morioka, the stations are the same as those on the Tohoku Shinkansen. From there on, the stations are as follows:
The Shinkansen are run by the many companies of Japan Railway (which in the past was called Japanese National Railways, but now is one group of private companies).
In contrast to the older lines, Shinkansen lines are standard gauge, and use tunnels and viaducts to go through and over obstacles, rather than around them.
Shinkansen trains now run regularly at speeds of up to 300 km/h (185 mph), putting them among the fastest trains running in the world, along with the French TGV and German ICE trains.