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
S3243 Afon Wen Map BF86
SH445371
SRS diagram P316 (1916, c. 1950)
S3293 Blaenau Festiniog Map BM89
SH701460
SRS diagram D242
S3242 Criccieth Map BG86
SH496380
SRS diagram not available
S3276 Drws-y-Nant Map BO83
SH818229
SRS diagram D163
S3227 Dyffryn-on-Sea Map BK83
SH582233
SRS diagram not available
S3290 Festiniog Map BN88
SH704419
SRS diagram D242
S3230 Harlech Map BK85
SH580314
SRS diagram D266
S3229 Llanbedr and Pensarn Map BK84
SH578280
SRS diagram D266
S3234 Penrhyndeudraeth Map BJ87
SH613388
SRS diagram not available
S3238 Portmadoc Map BI86
SH565392
SRS diagram not available
S3246 Pwllheli East Map BD86
SH386355
SRS diagram not yet available
S3247 Pwllheli West Map BD85
SH375350
SRS diagram D531 (1909, c. 1950)
S3287 Trawsfynydd Map BO87
SH714360
SRS diagram P124
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