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 780 Barnstaple Map BI34
SS569327
SRS diagram D226
S 779 Barnstaple East Loop Junction Map BI34
SS575325
SRS diagram D134
S 781 Barnstaple South Loop Junction Map BI34
SS570323
SRS diagram D226
S 778 Swimbridge Map BK34
SS623304
SRS diagram D134
Prices are shown here.