Earlier quoted context omitted.
I don't have any primary sources offhand, but the closest thing I last looked at was https://en.wikipedia.org/wiki/Light_rail which has a number of 25k/h for light rail (pretty low speed, single-deck, presumably short trains). I'd say 4x that amount for a full-sized HSR train is credible. It's just that that's a maximum . I don't believe that ridership will ever be high enough to approach that number, unless air trav…
> I don't believe that ridership will ever be high enough to approach that number Trains in the rush hour in the UK are pretty much always full, with people standing up. The tube at rush hour looks like this: https://static.standard.co.uk/s3fs-public/thumbnails/image/2... If it's not too expensive or infrequent I imagine it will be very popular.
Especially given the picture you provide, I think you're talking about intra-urban rail (subway, metro, even suburban commuter).
That's a far cry from a 350-mile, 3-hour inter-city link.
Show me the picture for the London-Edinburgh "rush hour".