eastender wrote:
Is there a map showing routes of tube and rail tunnels?

There are various maps that claim to show the geographic routes of the
tubes, as distinct from the Beck-style diagram, but none in my
experience are completely accurate. Some of them are listed at
http://owen.massey.net/tubemaps.html. For example, I have yet to see a
map that shows the route of the Piccadilly Line east of South Kensington
station with its two S-bends.

The .pdf street maps displayed by the TfL Journey Planner are quite good
if you want to check on a particular location. You need to combine a
tube journey with a walking route or a bus journey in the area
concerned.
--
Richard J.
(to e-mail me, swap uk and yon in address)