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
  Cowbridge Junction Map DD177
ST000747
SRS diagram not available
S1567 Drope Junction Map DN178
ST112757
SRS diagram not available
S1780 Griegeau Map DL182
ST083814
SRS diagram D497
S1510 Miskin Crossing Map DG182
ST056797
SRS diagram D350
S1447 Pentyrch Map DN182
ST116810
SRS diagram not available
S1507 Peterston East Map DK179
ST090766
SRS diagram P106
S1508 Peterston West Map DI180
ST082763
SRS diagram P106
S1509 Pontsarn Crossing Map DI181
ST066780
SRS diagram D350
S1505 St. Fagans Map DN179
ST120770
SRS diagram D243
  Tynycaeau Junction Map DM179
ST107772
SRS diagram not available (formerly Tynycaeau Junction North)
S1568 Tynycaeau South Map DM178
ST110767
SRS diagram not available
S1566 Wenvoe Map DO175
ST128732
SRS diagram not available
Prices are shown here.