Originally Posted by
JPDM
These are new trains and they already have the wifi. However I don't think that they'll have the higher speeds any time soon. Thy would bump into the trains ahead of them. I suspect that this will only happen once the construction of the new tracks is completed.
Maybe add a late connection in both directions an hour after the current last G departures? Would give more dinner time for business people and government officials.
Early morning probably less demand due to the excellent D night trains.