Northern Line
Jubilee Line
Piccadilly Line
basic Line Diagram
Traction Current sections naming diagram
Reversing Points diagram
basic Reversing Points diagram
Station Identification Codes
Sectionalisation and Substations diagram
basic Line Diagram
Traction Current sections naming diagram
Reversing Points diagram
basic Line Diagram
Traction Current sections naming diagram
Distance diagram
Running times diagram
Diagrams
I created the diagrams on this page for various reasons in the past and they have been posted here in case they are of any use to anybody. It is my intention to add more diagrams in due course

Unless stated otherwise, all work on this site is all my original work
PSR diagram - basic
 (PSR diagram from the original Line Information Book)
PSR diagram - alternative basic
Opening dates
Controlled Areas signal diagrams
(set of individual 300 dpi jpg diagrams)
Victoria line
Signal diagram of all the Victoria line
 - in a PDF file, one station per page
Victoria line signal diagrams
(set of individual 300 dpi jpg diagrams)
note - both lots of signal diagrams are for the original
 signalling, not the recent signal upgrade
Controlled Areas signal diagrams
 - in a PDF file, one area per page