| Technical drawing numbers | |
| S3146/1 | Record of amendments | 
| S3146/2 | Locking sketch | 
| S3146/3 | Mechanical locking table | 
| S3146/4 | Detection table | 
| S3146/5 | Electrical control table | 
| S3146/6 | Dog chart | 
| S3146/7 | Lever leads | 
| S3146/12 | Signal box diagram | 
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| Carno (North) | —— This box —— | Llanbrynmair | 
No SRS diagram is available.
This page last updated on 12th October 2010.