District Line 

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

	Whitechapel to Upminster 1936 A set of diagrams showing the signalling on the east of the District Line between Whitechapel and Upminster in 1936.
	Cromwell Road Area 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.
	Parsons Green A diagram showing the arrangements at Parsons Green shortly after control of the area was transferred to Earls Court.

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.