| Signal Boxes | Opened | Closed |
| Swindon Loco Yard I. | 1877 | 27.1.24 |
| Swindon Loco Yard 2 | 27.1.24. | 7.7.68 |
| Bremell Sidings | 7.11.43 | 23.6.68 |
| Purton I | By 1884 | c1901 |
| Purton 2 | 1900 | 16.8.65 |
| Minety & Ashton Keynes I | By 1884 | c 1904 |
| Minety & Ashton Keynes 2 | 1905 | 16.6.68 |
| Kemble (East) | By 1884 | 1928 |
| Kemble (West) | 1928 | |
| Kemble | 1928 | 29.6.68 |
| Coates I (Tetbury Rd until I May 1908) | By 1884 | 1.2.23 |
| Coates 2 | 1 2.23 | 3.3.66 |
| Sapperton Tunnel | By 1884 | c1901 |
| Sapperton Sidings | 5.1900 | 5.10.70 |
| Frampton Crossing I | By 1884 | |
| Frampton Crossing 2 | 7.9.65 | |
| Chalford | 13.6.65 | |
| St Mary's Crossing | 5.10.70 | |
| Brimscombe | By 1884 | |
| Brimscombe East | 1898 | 5.10.70 |
| Brimscombe West | 7.1896 | 17.5.64 |
| Stroud B (later East) | By 1884 | 10.8.05 |
| Stroud East | l0.8.05 | 5.10.70 |
| Stroud A (later West) | 25.11.17 | |
| Beard's Lane Crossing | By 1884 | 23.11.58 |
| Jefferies Siding | 26.7.1898 | 1936 |
| Stonehouse I | By 1884 | 1922 |
| Stonehouse 2 | 1229 | 5.10.70 |
| Standish Junction1 | 8.7.1844 | 19.5.1854 |
| Standish Junction2 | 21.4.1873 | 1887 |
| Standish Junction 3 | 25.7.08 | 14.10.68 |
| Haresfield | 15.9.68 | |
| Naas Crossing | 15.9.68 | |
| Tuffley Junction I | 7.12.41 | |
| Tuffley Junction | 27.12.41 | 10.8.68 |
| Gloucester No. I | By 1884 | 11.11.01 |
| Gloucester South Jc | 11.11.01 | 25.5.68 |
| Gloucester No. 2 | By 1884 | 1901 |
| Gloucester North 4 | 1901 | 25.5.68 |
| Gloucester East I | 31.7.31 | |
| GloucesterEast2 | 31.7.31 | 2.3.68 |
| Gloucester Middle | 31.7.31 | |
| Gloucester West | 1892 | 25.5.68 |
| Churchdown | rebuilt 28.6.42 |