Apparently, ‘Rail’ magazine is going to start a sort of ‘fact checking’ service for claims on social media.
Perhaps they should begin with some of the factoids put about by their ‘technical expert’, Gareth Dennis.
Thameslink ‘current’ peak system capacity is 24 trains per hour in each direction? Not on their nelly. Whether that will be reliably achievable with the proposed service pattern, is open to question.
Which bits of the Metropolitan line see 36 trains per hour?
And how does Crossrail ‘currently’ do 24? It hasn’t even opened yet.
In any case, throughput on a metro-type railway is not going to be any kind of guide to capacity on a 360 km/h intercity railway like HS2.