Originally Posted by rkkwan
From what I understand, the 500 Series trains used on Nozomi runs on the Sanyo Shinkansen line between Shin-Osaka and Hakata do run at up to 300km/h.
Correct. I rode that one 4 years ago, and the new trainsets can now do 320-330 in that same stretch, although I'm not sure that is been included in the schedule yet.