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 492 Clutton Map CK40
ST626592
SRS diagram D473
S 493 Hallatrow Map CK40
ST632572
SRS diagram D473 (1922)
S 490 Pensford Map CK42
ST617640
SRS diagram D244
S 491 Pensford and Bromley Collieries Map CK41
ST619628
SRS diagram D244
S 577 Saltford Map CL42
ST687667
SRS diagram W10/06
S 576 Twerton Tunnel Map CM42
ST716653
SRS diagram D359 (c.1920, 1925)
Prices are shown here.