The interconnections between the lines at the major Tube hubs are really complicated, and a redesign may not always be possible. Here's a site that has diagram

The interconnections between the lines at the major Tube hubs are really complicated, and a redesign may not always be possible. Here's a site that has diagrams of how some of the stations are put together: http://husk.org/www.geocities.com/athens/acropolis/7069/stations.html http://husk.org/www.geocities.com/athens/acropolis/7069/stat... The Bank <-> Monument short cut I figured out by myself. Although it's more or less in a straight line, you have to go a long way down before coming back up again.