The Circle line name was not used officially until 1936 – but its existence is fundamental to the Tube’s early beginnings.

Delays on the DLR, Circle and Windrush line - The Windrush, Circle, DLR lines are facing delays on Friday morning ...

There are three ways a line and a circle can be associated, ie the line cuts the circle at two distinct points, the line is a tangent to the circle or the line misses the circle. To work out which ...

For the next 60 years, the line’s route remained unchanged, with trains travelling in both directions in a simple circle through Edgware Road. But in 2009, the Circle line was extended to ...

For the next 60 years, the line’s route remained unchanged, with trains travelling in both directions in a simple circle through Edgware Road. But in 2009, the Circle line was extended to include the ...