Originally Posted by RJB
A place no-one has heard of on the tube line that no-one has ever heard of - the East London Line. A brownie point for anyone living west of Tower Bridge who knows what colour it is on the tube map!
There's a short history of the ELL on TfL's website
here.
They are working to extend it, and actually go somewhere useful, if central government will give the money to fund the project. More info on that is
here.