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
  Biglis Junction Map DP173
ST138691
SRS diagram D532 (1914)
S1541 Cadoxton South Map DP172
ST133689
SRS diagram L202
S1540 Dinas Powis Map DQ174
ST154710
SRS diagram D532
S1563 Lavernock Map DS172
ST178686
SRS diagram not available
S1562 Penarth Cement Works Map DS173
ST183693
SRS diagram D498
S1561 Penarth Town Map DT174
ST185714
SRS diagram D498
S1564 Sully Map DQ172
ST151684
SRS diagram not available
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