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
S2812 Ardley Map DI57
SP538269
SRS diagram P49
S2808 Ashendon Junction Map DL55
SP695130
SRS diagram P123 (1950, 1959)
  Aylesbury South Map DP54
SP819133
SRS diagram not available
S2811 Bicester Map DI57
SP585231
SRS diagram P49 also X8 shows dog chart HT 3-bar
S2810 Blackthorn Map DI57
SP623203
SRS diagram P100
S 121 Bledlow Level Crossing Map DO52
SP776038
SRS diagram not available
S2732 Bletchington Map DH57
SP482182
SRS diagram B19
S2731 Bletchington Cement Sidings Map DH57
SP483172
SRS diagram S918
S2809 Brill and Lugershall Map DK56
SP659169
SRS diagram P100
S2807 Haddenham Map DM54
SP735081
SRS diagram not yet available
S 232 Kidlington Map DH56
SP483150
SRS diagram not yet available
S 75 Princes Risborough North Map DP52
SP799030
SRS diagram L129 (1930) B158 (later Princes Risborough 1968)
S2733 Tackley Map DH58
SP484205
SRS diagram not available
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