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)
S3242 Criccieth Map BG86
SH496380
SRS diagram not available
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
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