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
S 581 East Depot Main Line Map BA122
ST616723 		SRS diagram P247 (old and new box)
S 583 East Depot Down Yard Map AZ122
ST613724 		SRS diagram S907
S 580 Fox's Wood Map BB121
ST638704 		SRS diagram W10/09
S 578 Keynsham East Map BC120
ST663686 		SRS diagram B287 (old box) new box not available
S 579 Keynsham West Map BC120
ST658688 		SRS diagram C46
S 588 Marsh Junction Map AY122
ST610722 		SRS diagram J59 (old box) J60 (1962)
S 589 St. Philip's Marsh Map AX122
ST605721 		SRS diagram S906
Prices are shown here.