Signal box prefix codes

A (hopefully) comprehensive listing

'Boxes beginning J

Last update 1 December 2020

Additional information is always gratefully received, whether entirely new records (particularly historical records) or information to fill in gaps or correct errors, via the contact link under the Miscellaneous entry in the navigation bar above. Thank you.

Please select a starting letter from the links below:

Code	Signal Box	Note	ELR	Mileage	Opened	Closed	Control to

JS	James Street		MIR1 MIR1	0m 51ch 2m 3ch	1 May 1977	18 September 1994	Merseyrail (ML)
JC	Jetty Ground Frame	Frame extended 24 October 1971	RLY		by 1971		Upminster [new] (UR)
	Joan Croft Junction	Gate box: line controlled by Doncaster (D)	ECM2	160m 49ch	?
J	Jumble Lane		PED2	6m 59ch	29 October 1900	11 April 1998	Barnsley (BY)
JR	Junction Road Junction		GOJ TAH1	0m 58ch 2m 42ch	26 November 1882	10 November 1985	Upper Holloway (UH)
J	Jurgens Crossing	Stop boards	TLL	17m 9ch	27 May 1996