| Route | Sudbrook Branch |
| Section | COM to Sudbrook |
| Remarks | Understood to be disused |
| ELR Maps | Atlas , Interactive |
| Area Maps | Severn Tunnel |
| Extent | 0M -211y to 1M 0161y • 1.211 miles • 1.950 km |
| Measured | 2.024 km (Δ +75m) ℹ️ Variation between reported and measured extents |
| Grouping | SBK1 , SBK2 |
| Neighbours | BSW , CWT , SBK1 , SWM2 |
| NR Region | Wales & Western |
 | TRACKmaps Book 3 — Western & Wales |
🏢 Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 0M -211y to 1M 0161y | Wales | Monmouthshire |
📍 Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 0M -211y to 0M 0802y | Portskewett | Monmouthshire | 494m - 1064m |
| 0M 0803y to 1M 0161y | Sudbrook | Monmouthshire | 6m - 507m |
🏷️ Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 3 | 7m | 57m | 25m | 11m | 28m |
| Normalised Quarter Miles | 3 | 456y | 457y | 457y | 457y | 0y |
| Calibration Segment Length | 3 | 211y | 1605y | 711y | 316y | 776y |