RISC OSMap of G.W. SignalboxesRISC OS
http://www.svrsig.org/gwmap/GWMap.htm
Sxxxx numberSignal Box nameView on map squareOther information including SRS diagram number
  Abercanaid Map DH202
SO052019
SRS diagram not available
  Abercanaid Crossing Map DH202
SO056040
SRS diagram not available
S1775 Bedlinog Colliery Junction Map DL201
SO090017
SRS diagram not available
S1774 Bedlinog Station Map DL200
SO094012
SRS diagram not available
S1685 Brandy Bridge Map DH203
SO054048
SRS diagram P155
S2312 Brithdir Map DP200
SO153017
SRS diagram P291
S1379 Colliers Arms Map DR201
ST183992
SRS diagram D354
S1776 Cwm Bargoed Station Map DL203
SO086061
SRS diagram not available
  Dare Junction Map DH202
SO011031
SRS diagram not available
S2327 Deri Junction Map DN200
SO126022
SRS diagram not available
S2333 Dowlais (Central) No. 1 Junction Map DI205
SO065085
SRS diagram not available
S2334 Dowlais (Central) No. 2 Junction Map DI205
SO065083
SRS diagram not available
S1777 Dowlais Junction Map DJ204
SO067069
SRS diagram not available
S1778 Dowlais Station Map DJ204
SO073078
SRS diagram not available
S2331 Dowlais Top Station Map DJ205
SO079083
SRS diagram D301
S1341 Duffryn Sidings Map DS205
SO174076
SRS diagram B8
S1343 Ebbw Vale Station Map DR206
SO168100
SRS diagram D202
S1342 Ebbw Vale Siding South Map DS205
SO173088
SRS diagram D202
S2329 Fochriw Station Map DL203
SO104055
SRS diagram D301
S2326 Groesfaen Colliery North Map DO200
SO130013
SRS diagram not available (formerly Darran)
S2325 Groesfaen South Map DP199
SO138003
SRS diagram not available
S1768 Merthyr Station (G.W.) Map DH204
SO051057
SRS diagram P155
S1753 Middle Duffryn Map DH199
SO030002
SRS diagram S826
S2319 New Tredegar (B. & M.) Map DP202
SO142033
SRS diagram P314
  Oakdale Map DS199
ST181982
SRS diagram not available
  Plymouth Siding Map DI201
SO068027
SRS diagram not available
S2315 Pontlottyn Map DN204
SO118061
SRS diagram P276 (pre-1939, c. 1945)
S1378 Rhiw-Syr-Dafydd Map DS200
ST182985
SRS diagram D354
S1767 Rhydycar Junction Map DH203
SO051051
SRS diagram D530
S2316 Rhymney Map DN205
SO111075
SRS diagram P276
S2313 Tir Phil Map DO201
SO139034
SRS diagram P291
S1684 Troedyrhiw Map DI200
SO070023
SRS diagram not available
S1340 Waun Llwyd North Map DS204
SO175069
SRS diagram D200
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