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 105 Colnbrook Map DJ116
TQ036767
SRS diagram D102
S 28 Dawley Map DM120
TQ086795
SRS diagram P296
S 25 Hayes Map DN120
TQ098794
SRS diagram P296 (Hayes and Harlington)
S 32 Iver Map DI119
TQ037799
SRS diagram L215
S 20 Southall East Station Map DQ120
TQ128798
SRS diagram not yet available
S 19 Southall East Junction Map DQ121
TQ134800
SRS diagram B254
S 21 Southall West Station Map DP120
TQ125798
SRS diagram D101
S 23 Southall West Junction Map DP120
TQ117795
SRS diagram D101
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.