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
S3189 Llanfyllin Map BW81
SJ146192
SRS diagram D413
S3185 Llangynog Map BT83
SJ054262
SRS diagram not available
S3183 Llanrhaiadr Mochnant Map BW83
SJ133249
SRS diagram not available
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