The Wikipedia list says why each London Underground station was closed. Several are now only for suburban trains. Others were closed when replacing lifts with

The Wikipedia list says why each London Underground station was closed. Several are now only for suburban trains. Others were closed when replacing lifts with escalators meant entrances had to be moved, and were now too close to the next station. https://en.wikipedia.org/wiki/List_of_former_and_unopened_London_Underground_stations https://en.wikipedia.org/wiki/List_of_former_and_unopened_Lo... See also: http://cartometro.com/cartes/metro-tram-london/ http://cartometro.com/cartes/metro-tram-london/ , which marks the closed stations — you can usually see how close they are to other stations.