Note: Per consensus and convention, most route-map templates are used in a single article in order to separate their complex and fragile syntax from normal article wikitext. See these discussions [1],[2] for more information.
Sources:
Grant, Donald J. (2017). Directory of the Railway Companies of Great Britain (1st ed.). Kibworth Beauchamp, Leicestershire: Troubador Publishing Ltd. ISBN978-1-78803-768-6.
Jowett, Alan (March 1989). Jowett's Railway Atlas of Great Britain and Ireland: From Pre-Grouping to the Present Day (1st ed.). Sparkford: Patrick Stephens Ltd. ISBN978-1-85260-086-0. OCLC22311137.
The Railway Clearing House (1969) [1915], The Railway Clearing House Official Railway Junction Diagrams 1915 (1969 D&C Reprint ed.), Newton Abbot: David & Charles Reprints, ISBN0-7153-4347-5