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 425 Axbridge Map CG40
ST432547
SRS diagram D492 (c. 1950)
S 702 Claverham Map CF42
ST444673
SRS diagram D171
S 492 Clutton Map CK40
ST626592
SRS diagram D473
S 428 Congresbury Map CF42
ST432638
SRS diagram D285
S 493 Hallatrow Map CK40
ST632572
SRS diagram D473 (1922)
  Nailsea and Backwell West Map CF42
ST472689
SRS diagram D82
S 490 Pensford Map CK42
ST617640
SRS diagram D244
S 491 Pensford and Bromley Collieries Map CK41
ST619628
SRS diagram D244
S 427 Sandford and Banwell Map CF41
ST416595
SRS diagram D285
S 703 Yatton East Map CF42
ST428663
SRS diagram D171
S 704 Yatton West Map CF42
ST422659
SRS diagram P118
Prices are shown here.