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
S3293 Blaenau Festiniog Map BM89
SH701460
SRS diagram D242
S3234 Penrhyndeudraeth Map BJ87
SH613388
SRS diagram not available
S3238 Portmadoc Map BI86
SH565392
SRS diagram not available
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