For the next 60 years, the line’s route remained unchanged, with trains travelling in both directions in a simple circle through Edgware Road. Underground map from 2000 shows the Circle line as ...

Squaring the circle might be impossible, but circling the tube map isn't, if a new set of Underground maps is anything to go by. Head to five stations on the Circle line right now — King's Cross ...

Map from 1927 showing which parts of the Inner Circle were on the Metropolitan line and which were on the District line (Image: TfL Corporate Archives) Three years after the amalgamation of all of the ...