Underground geek

[ethelthefrog]

Not that anyone cares, but I now know how to identify LUL's A-stock, C-stock and D-stock just by taking a quick look

Comments

[garpu]

That's pretty cool. I wonder if people do the same in Boston.

[blue_donkey]

mornington crescent

[ethelthefrog]

Northern Line, Charing Cross branch.