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
S3267 Llandrillo Map BU85
SJ027377
SRS diagram D187
S3183 Llanrhaiadr Mochnant Map BW83
SJ133249
SRS diagram not available
S3187 Llansantffraid Map BZ82
SJ223202
SRS diagram D413
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