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
S1756 Aberdare High Level Yard Map DE201
SO003030
SRS diagram B115
S1696 Aberdare North Map DD199
SO004026
SRS diagram not available
S1695 Aberdare South Map DD199
SO005023
SRS diagram W80/19
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
S2311 Cefn Coed Map DG206
SO030079
SRS diagram W75/11
S1776 Cwm Bargoed Station Map DL203
SO086061
SRS diagram not available
S1755 Cwmbach Siding Map DF200
SO017018
SRS diagram D481
S1754 Cwmbach and Lletty Shenkin Crossing Map DG200
SO025010
SRS diagram D481
  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
S2329 Fochriw Station Map DL203
SO104055
SRS diagram D301
S1757 Gladlys Junction Map DE201
SO000033
SRS diagram D520
S2326 Groesfaen Colliery North Map DO200
SO130013
SRS diagram not available (formerly Darran)
S1768 Merthyr Station (G.W.) Map DH204
SO051057
SRS diagram P155
S1753 Middle Duffryn Map DH199
SO030002
SRS diagram S826
  Plymouth Siding Map DI201
SO068027
SRS diagram not available
S2315 Pontlottyn Map DN204
SO118061
SRS diagram P276 (pre-1939, c. 1945)
S1767 Rhydycar Junction Map DH203
SO051051
SRS diagram D530
S2316 Rhymney Map DN205
SO111075
SRS diagram P276
S1758 Robertstown Crossing Map DE201
SN998035
SRS diagram D520
S2313 Tir Phil Map DO201
SO139034
SRS diagram P291
S1684 Troedyrhiw Map DI200
SO070023
SRS diagram not available
S1765 Werfa Loop Map DF201
SO022028
SRS diagram D530
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