| Route | Pontardawe Branch |
| Section | Felin Fran Jn to Clydach |
| Remarks | Understood to be disused |
| ELR Maps | Atlas , Interactive |
| Area Maps | Llansamlet |
| Extent | 0M 0123y to 1M 0405y • 1.160 miles • 1.867 km |
| Measured | 1.950 km (Δ +83m) ℹ️ Variation between reported and measured extents |
| Neighbours | SDI2 |
| NR Region | Wales & Western |
 | TRACKmaps Book 3 — Western & Wales |
🏢 Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 0M 0123y to 1M 0405y | Wales | Swansea |
📍 Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 0M 0123y to 0M 1220y | Tregof Village | Swansea | 197m - 1144m |
| 0M 1221y to 1M 0340y | Ynystawe | Swansea | 874m - 1132m |
| 1M 0341y to 1M 0362y | Cae-mawr | Swansea | 875m - 875m |
| 1M 0363y to 1M 0405y | Aber-Clydach | Swansea | 829m - 857m |
🏷️ Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 5 | -10m | 70m | 17m | -3m | 35m |
| Normalised Quarter Miles | 5 | 424y | 479y | 447y | 429y | 29y |
| Calibration Segment Length | 5 | 89y | 880y | 408y | 405y | 299y |