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RailRef Line Codes SL

Signal Fact 15

E A Cowper invented the railway detonator in 1841. Used to protect trains that had come to a stand unexpectedly.

First adopted by the Great Western Railway, the other companies soon followed suit.

Detonators are still used today.

South Wales Mineral Railway

This page should be regarded as “Work in Progress”. The webmaster will welcome additional information for this page.

In the list below the information is set out in tabular form, spread over four columns. The column entries are -

RailRef The Line Code used in RailRef system.
Line Detail The principal locations included within the Line Code. They are arranged in 'down' direction order. Locations shown are primarily stations and junctions to allow easy cross check against published atlases. Signal box names appear in italics where these are 'intermediate' to stations or have been shown to facilitate links from other pages on this web site. The inclusion of a station or junction name does not imply that there was always a signal box of that same name!
SBR The section reference used in the relevant Signal Box Register published by the Society.
ELR The corresponding Engineer's Line Reference(s). This will be blank for railways that never came within British Railways terms of reference. It will also be blank where British Railways had no surviving responsibility for infrastructure at the time the ELR system came into use.

RailRef Line Detail SBR ELR
SL001 Glyncorrwg - Briton Ferry
datum Waterloo Dock Junction
13m03c colliery/SWMR boundary
12m67c North Rhondda Colliery Halt
12m50c Glyncorrwg South Pit Halt
11m54c Glyncorrwg
11m50c Glycorrrwg Junction
10m38c Nantewlaeth Colliery Halt
9m45c Cymmer (1)
9m40c Cymmer Junction GW570
8m66c Abercregan Siding
8m51c Corrwg Vale Siding SL002
6m70c South Wales Mineral Branch Junction RS004
5m51c Tonmawr East Junction PT002c
5m41c Tonmawr
5m31c Tonmawr West Junction
5m19c Tonmawr Junction PT003
5m14c Blaenavon Junction SL003
4m74c Blaenavon Loop Junction SL004
4m66c Tonygregos Quarry
4m40c Aber Rhondda Colliery
3m13c Bwlch Colliery
2m44c Ynysdavid
2m51c Crythan Platform
(Ynysmaerdy incline)
0m55c Neath Harbour Junction SL005 RS022c
(1) Cymmer (Corrwg) from 1926

SMI: throughout
SWJ: Tonmawr East Junction - Tonmawr Junction
Q5 SMI
SWJ
SL002 Afan Vale Quarrys Branch
datum
Corrwg Vale end of line
Corrwg Vale Siding SL001
   
SL003 Blaenavon Branch
datum
Blaenavon Junction
Blaenavon Colliery
closed by 1890.
   
SL004 Blaenavon Loop
datum
0m19c Blaenavon Loop Junction PT004
0m00c Blaenavon Loop Junction SL001
  BOZ
SL005 Briton Ferry Goods Lines
0m00c junction from Port Wallaroo Dock Line
0m55c Neath Harbour Junction SL001 RS022c
0m65c end of line
  PTZ

 





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