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 28 Dawley Map DM120
TQ086795
SRS diagram P296
S 65 Denham East Map DI125
TQ052875
SRS diagram D159 (formerly West Loop)
S 66 Denham Station Map DH125
TQ042877
SRS diagram D159
S 67 Gerrards Cross Map DE125
SU998889
SRS diagram B230 (1924)
S 25 Hayes Map DN120
TQ098794
SRS diagram P296 (Hayes and Harlington)
S 32 Iver Map DI119
TQ037799
SRS diagram L215
S 61 Northolt Junction East Map DN124
TQ113853
SRS diagram P229 (1948)
S 62 Northolt Junction West Map DN124
TQ108856
SRS diagram P229
S 63 Ruislip and Ickenham Map DL124
TQ085867
SRS diagram not yet available
S 112 Uxbridge (High Street) Map DJ122
TQ053846
SRS diagram not available
S 111 Uxbridge (Vine Street) Map DJ122
TQ055838
SRS diagram S231
S 29 West Drayton East Map DK119
TQ062801
SRS diagram D551 (1920, 1953)
  West Drayton Loop Map DK119
TQ052802
SRS diagram S135
S 30 West Drayton West Map DK119
TQ058801
SRS diagram B137 (1960) not available (old box)
S 103 West Drayton Coal Yard Map DJ119
TQ051795
SRS diagram not available
Prices are shown here.