Wikipedia suggests 3x more passengers per track/lane at 40% of the land use based on Eurostar and the Highway Capacity Manual: https://en.wikipedia.org/wiki/Hi

Wikipedia suggests 3x more passengers per track/lane at 40% of the land use based on Eurostar and the Highway Capacity Manual: https://en.wikipedia.org/wiki/High-speed_rail#Automobiles_and_buses https://en.wikipedia.org/wiki/High-speed_rail#Automobiles_an... Tokaido Shinkansen carries twice as many passengers so this agrees with your post end assuming that two rail lines each have two tracks each. Note that this is the most extreme example, most railways do not carry this capacity.