For the sake of comparison, the busiest TGV line (LGV Sud-Est) is signalled for three minute headways (i.e., three minutes between the front of one train and th

For the sake of comparison, the busiest TGV line (LGV Sud-Est) is signalled for three minute headways (i.e., three minutes between the front of one train and the front of the following one), and each train can hold up to 1016 passengers — 20320 passengers per hour. (And at certain times of day, it is close to operating at that.)