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
S3277 Bontnewydd Map BN82
SH770201
SRS diagram D163
S3276 Drws-y-Nant Map BO83
SH818229
SRS diagram D163
S3283 Frongoch Map BR85
SH903391
SRS diagram D241
S3275 Garneddwyn Loop Map BP83
SH850270
SRS diagram not available
S3272 Llanuwchllyn Map BQ83
SH882301
SRS diagram S832
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