| Technical drawing numbers | |
| S1221/1 | Record of amendments |
| S1221/2 | Locking sketch |
| S1221/3 | Mechanical locking table |
| S1221/4 | Detection table |
| S1221/5 | Electrical control table |
| S1221/6 | Dog chart |
| S1221/7 | Lever leads |
| S1221/12 | Signal box diagram |
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| Bishton Crossing | —— This box —— | Llanwern |
No SRS diagram is available.
This page last updated on 8th October 2010.