The Joyce Green Hospital at Dartford, Kent had a 4 feet gauge tramway running from the bank of the Thames to the hospital buildings. The rolling stock composed of old tramcars. The railway was closed in the 1930s
At a guess, it's the same depot being repeatedly re-coded during various administrative re-organisations?
are all these sheds still in use by heritage railways / organisations
I know 11A was Carnforth, and I think 41E must be Barrow hill. not sure about the others
Richard Trevithick
Correct....
....it has 23 escalators

Gunnislake? Though you could argue that Paddock wood and Hawkhurst were modified by him, are still open and were served by the Cols line.
Calstock ?
(Gunnislake station was moved in the last 30 years)
The heritage Gloucestershire Warwickshire Railway?
What about the Canadian Great Western Railway in South-West Saskatchewan?
Colorado.