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
S1231 Alexandra Dock Junction Map ED186
ST302864
SRS diagram L44
S1840 Briton Ferry Road Map EE186
SS713938
SRS diagram not available
S1232 Ebbw Junction Map EC186
ST303860
SRS diagram L45 (c. 1960) also P307 (1955)
S1311 Pillgwenlly Map EH186
ST317865
SRS diagram not available
S1233 St. Brides Map EB184
ST290835
SRS diagram P271
S1361 West Mendalgief Map EE186
ST304863
SRS diagram S839
Prices are shown here.