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
S3282 Bala Map BS84
SH930362 		SRS diagram D241
S3270 Bala Junction Map BS84
SH937355 		SRS diagram D182
S3283 Frongoch Map BR85
SH903391 		SRS diagram D241
S3268 Llandderfel Map BT85
SH985365 		SRS diagram D182
S3267 Llandrillo Map BU85
SJ027377 		SRS diagram D187
S3185 Llangynog Map BT83
SJ054262 		SRS diagram not available
S3183 Llanrhaiadr Mochnant Map BW83
SJ133249 		SRS diagram not available
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