| Technical drawing numbers | |
| S3139/1 | Record of amendments | 
| S3139/2 | Locking sketch | 
| S3139/3 | Mechanical locking table | 
| S3139/4 | Detection table | 
| S3139/5 | Electrical control table | 
| S3139/6 | Dog chart | 
| S3139/7 | Lever leads | 
| S3139/12 | Signal box diagram | 
| ‹‹UP Click below to move to adjacent box DOWN›› | ||
| Newtown (South) | —— This box —— | Moat Lane West Llanidloes (North)  | 
No SRS diagram is available.
This page last updated on 12th October 2010.