Central Line  

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

	Western Extensions 1947-48 A single large diagram showing the 1947-48 western extension of the Central Line from North Acton to West Ruislip. Make sure you zoom in to see all the details.
	Central Line Core 1949 A single large diagram showing the central section of the Central Line from White City to Liverpool Street. Make sure you zoom in to see all the details.
	Eastern Extensions 1946-1957 A single large diagram showing the 1946-49 eastern extension of the Central Line from Liverpool Street to Hainault, Epping and Ongar. Make sure you zoom in to see all the details.
	Wood Lane Alterations 1947-49 A series of diagrams showing the various stages involved in replacing Wood Lane station with White City station. Make sure you zoom in to see all the details.

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.