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
S3135 Abermule Map BX76
SO162945
SRS diagram not available
S3134 Montgomery Map BY77
SO204980
SRS diagram S938
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