1 - 99 | Main aspect signals on the Main Lines. Evens on the down, odds on the up. |
1xx | Main aspect signals on the Badminton and Kemble Lines. Evens on the down, odds on the up. (Except SN125 & SN125R at Box) |
20x | Position light signals at Thingley Jn. |
21x | Position light signals at Highworth. |
22x | Position light signals at Highworth and Swindon West. |
23x | Position light signals at Swindon Down Goods and Swindon West. |
24x | Position light signals at Swindon East. |
25x | Position light signals at Swindon East. |
26x | Position light signals at Swindon Down Goods and Swindon West. |
27x | Position light signals at Wootton Bassett Stone Terminal. |
28x | Position light signals at Thingley Jn and Wootton Bassett. |
29x | Position light signals at Kemble. |
30x | Reversible crossovers at Uffington and Bourton. |
31x | Points at South Marston Euroterminal. |
32x | Points at Highworth Junction and Loop. |
33x - 34x | Points at Swindon East. |
35x - 36x | Points at Swindon West / Swindon Jn. (368 at Loco Yard) |
37x | (Former points at Rodbourne GFs, etc?) |
38x | Points at Rushey Platt. |
40x | Points at Wootton Bassett East |
41x | Reversible crossovers at Wootton Bassett (Main Line). (Except 419 at Chippenham) |
42x | Reversible crossover at Chippenham and Thingley Junction poitns. |
44x | Points at Kemble. |
45x | Reversible crossovers at Wootton Bassett West. |
46x | Points at Hullavington. |
6xx | Reversible Main aspect signals on the Main Lines. Evens on the down, odds on the up. Reversible signals are gernerally number 600 higher than the main line equivalent. |
7xx | Reversible Main aspect signals on the Badminton Lines. Evens on the down, odds on the up. Reversible signals are gernerally number 600 higher than the main line equivalent.
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89x | Main aspect signals at South Marston Euroterminal. |
DBxx | Main aspect signals on the Down Badminton. |
DMxx | Main aspect signals on the Down Main. |
MXx | Minety Crossing Signals. |
UBxx | Main aspect signals on the Up Badminton. |
UMxx | Main aspect signals on the Up Main. |