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 324 Calne Map CU44
ST995707
SRS diagram S288
S 356 Chiseldon Map CY45
SU188798
SRS diagram B108
  Marlborough Map CY43
SU192686
SRS diagram not available
S 357 Ogbourne Map CY44
SU202745
SRS diagram P141
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