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
S 401 Blatchbridge Junction Map CO37
ST781458
SRS diagram X23 (1951) B17 (1970)
S 403 Brewham Map CM35
ST725389
SRS diagram S816
S 405 Bruton Map CL34
ST688348
SRS diagram P243
S 410 Cranmore Map CN36
ST667430
SRS diagram D287
S 413 Shepton Mallet Map CN36
ST617432
SRS diagram D287
S 402 Witham Map CN36
ST743408
SRS diagram P187 (1943, 1972)
  Woodlands Map CN36
ST771428
SRS diagram S133
  Wyke Map CL34
ST661338
SRS diagram not available
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