Circle Line 

A selection of diagrams showing the signalling arrangements for sections of the Circle Line at different times throughout its history.

	A set of diagrams showing the signalling arrangements between Kings Cross and Moorgate in 1926 and between Farringdon and Aldgate in 1956.
	A large diagram showing the area between Earls Court and High Street Kensington and between Earls Court and South Kensington. Make sure you zoom in to see all the detail.
	Two diagrams showing the current and possible future arrangements at Baker Street (Met).

Most of the diagrams are in PDF format and to open them you will need Adobe Acrobat Reader. If you do not already have this it can be downloaded from the Adobe Website.