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 |
| S2089 | Bryn Teify | Map BF61 SN453391 | SRS diagram D99 |
| S2094 | Derry Ormond | Map BH65 SN598516 | SRS diagram D58 |
| S2103 | Felin Fach | Map BG66 SN527562 | SRS diagram D9 |
| S2093 | Lampeter | Map BH64 SN581483 | SRS diagram B233 |
| S2218 | Llandovery North | Map BN60 SN764346 | SRS diagram B142 (No. 1) |
| S2217 | Llandovery South | Map BN60 SN761342 | SRS diagram S429 (No. 2) |
| S2086 | Llandyssul | Map BD61 SN412400 | SRS diagram not available |
| S2136 | Llangadock | Map BM59 SN714310 | SRS diagram P139 |
| S2083 | Llanpumpsaint | Map BE59 SN415296 | SRS diagram D51 |
| S2216 | Llanwrda | Map BN60 SN740326 | SRS diagram S801 |
| S2092 | Llanybyther | Map BG63 SN521441 | SRS diagram D100 (1895, 1950) |
| S2090 | Maesycrugiau | Map BF62 SN474406 | SRS diagram D99 |
| S2084 | Pencader | Map BF60 SN444360 | SRS diagram P250 |
| S2096 | Pont-Llanio | Map BI66 SN654570 | SRS diagram D58 |
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