Map of G.W. Signalboxeshttp://www.svrsig.org/gwmap/GWMap.htm
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| Sxxxx number | Signal Box name | View on map square | Other information including SRS diagram number |
| S 308 | Brinkworth | Map CU47 SU011843 | SRS diagram X66 |
| S 324 | Calne | Map CU44 ST995707 | SRS diagram S288 |
| S 318 | Chippenham East | Map CS45 ST924740 | SRS diagram L241 |
| S 319 | Chippenham West | Map CS45 ST919737 | SRS diagram L241 |
| S 316 | Dauntsey | Map CS45 ST992802 | SRS diagram P178 |
| S 313 | Hullavington | Map CR47 ST900828 | SRS diagram P53 also L238 (1937) |
| S 322 | Lacock | Map CR44 ST902703 | SRS diagram P120 |
| S 317 | Langley Crossing | Map CS45 ST936751 | SRS diagram P178 |
| S 309 | Little Somerford | Map CT47 ST967841 | SRS diagram X66 also L238 (1933) |
| Studley | Map CW47 SU090820 | SRS diagram P179 | |
| S 320 | Thingley Junction | Map CR44 ST902709 | SRS diagram P136 also S866 (1935) |
| S 306 | Wootton Bassett East | Map CW47 SU070818 | SRS diagram P179 |
| S 307 | Wootton Bassett West | Map CW47 SU063819 | SRS diagram L35 |
| Wootton Bassett Incline | Map CU46 SU032813 | SRS diagram S928 (old box) | |
| Prices are shown here. | |||