London has several abandoned stations. https://en.wikipedia.org/wiki/List_of_former_and_unopened_London_Underground_stations https://en.wikipedia.org/wiki/List

London has several abandoned stations. https://en.wikipedia.org/wiki/List_of_former_and_unopened_London_Underground_stations https://en.wikipedia.org/wiki/List_of_former_and_unopened_Lo... Mostly due to location no longer suitable, ie too close to another station, or issues with access. Or structurally unsafe and uneconomical to refurbish, maybe some was damaged too much from the Blitz. And not all are passenger stations. Some were for maintenance, post etc. Royal Mail did have its own tube line: https://en.wikipedia.org/wiki/London_Post_Office_Railway https://en.wikipedia.org/wiki/London_Post_Office_Railway