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 279 | Ashbury Crossing | Map DB48 SU245877 | SRS diagram D215 |
| S 327 | Bremell Sidings | Map CX48 SU111876 | SRS diagram P105 |
| S 308 | Brinkworth | Map CU47 SU011843 | SRS diagram X66 |
| S 324 | Calne | Map CU44 ST995707 | SRS diagram S288 |
| S 276 | Challow | Map DD49 SU353905 | SRS diagram P33 (1914, 1944) |
| S 356 | Chiseldon | Map CY45 SU188798 | SRS diagram B108 |
| S 275 | Circourt | Map DE49 SU380909 | SRS diagram P33 |
| S 337 | Coates | Map CT50 ST980990 | SRS diagram P211 |
| S 351 | Cricklade | Map CW49 SU097934 | SRS diagram D88 |
| Faringdon | Map DB50 SU288950 | SRS diagram not available | |
| S 304 | Hay Lane | Map CX47 SU112826 | SRS diagram S825 |
| S 293 | Highworth Station | Map CZ49 SU196925 | SRS diagram D358 |
| S 332 | Kemble | Map CT50 ST985975 | SRS diagram P2 |
| S 289 | Kingsdown Road | Map CZ48 SU175887 | SRS diagram D358 |
| S 278 | Knighton Crossing | Map DB48 SU276890 | SRS diagram D215 |
| S 213 | Lambourn | Map DC46 SU327785 | SRS diagram D470 (1938) |
| S 309 | Little Somerford | Map CT47 ST967841 | SRS diagram X66 also L238 (1933) |
| Marlborough | Map CY43 SU192686 | SRS diagram not available | |
| S 358 | Marlborough Low Level (M.S.W.) | Map CZ43 SU194686 | SRS diagram P141 also L218 (1929) |
| S 281 | Marston Crossing East | Map CZ48 SU202872 | SRS diagram D72 also P261 (old box) |
| S 282 | Marston Crossing West | Map CZ48 SU196870 | SRS diagram D72 |
| S 330 | Minety and Ashton Keynes | Map CV49 SU034906 | SRS diagram P213 |
| S 357 | Ogbourne | Map CY44 SU202745 | SRS diagram P141 |
| S 329 | Purton | Map CW48 SU094884 | SRS diagram P213 |
| S 300 | Rodbourne Lane | Map CY47 SU139845 | SRS diagram P126 |
| S 353 | Rushey Platt | Map CY47 SU133838 | SRS diagram B237 |
| S 303 | Rushey Platt Junction | Map CY47 SU134840 | SRS diagram P126 |
| S 280 | Shrivenham | Map DA48 SU236876 | SRS diagram P261 |
| S 350 | South Cerney | Map CV50 SU057971 | SRS diagram D88 |
| Studley | Map CW47 SU090820 | SRS diagram P179 | |
| S 284 | Swindon Goods Yard | Map CY48 SU156855 | SRS diagram S911 |
| S 283 | Swindon Highworth Junction | Map CY48 SU163858 | SRS diagram L204 |
| S 326 | Swindon Loco Yard | Map CY48 SU143852 | SRS diagram P105 |
| S 296 | Swindon Station East | Map CY47 SU151853 | SRS diagram L48 |
| S 298 | Swindon Station West | Map CY47 SU148851 | SRS diagram L141 (1932) L142 (1942) |
| S 354 | Swindon Town A | Map CY46 SU156835 | SRS diagram D294 (1905, 1950) |
| S 355 | Swindon Town B | Map CY46 SU159832 | SRS diagram P46 (1905, 1942) |
| S 277 | Uffington | Map DC49 SU312904 | SRS diagram P270 (1947, 196x) |
| S 274 | Wantage Road | Map DE49 SU412914 | SRS diagram P63 (old box, 1934) |
| S 209 | Welford Park | Map DD44 SU408735 | SRS diagram D470 (1954) |
| 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. | |||