| Route | Markham Main Colliery Branch |
| Remarks | Understood to be disused |
| ELR Maps | Atlas , Interactive |
| Area Maps | Bessacarr , Kirk Sandall |
| Extent | 0M -2349y to 1M 0315y • 2.514 miles • 4.045 km |
| Measured | 1.811 km (Δ -2235m) ⚠️ Very large variation between reported and measured extents |
| Neighbours | BKS |
| NR Region | Eastern |
 | TRACKmaps Book 2 — Eastern |
🏢 Administrative Area
| Mileage | Country | Administrative Area |
|---|---|---|
| 0M -2349y to 1M 0315y | England | South Yorkshire |
📍 Nearest Place and District
| Mileage | Nearest Place | District / County | Distance |
|---|---|---|---|
| 0M -2349y to 0M -1178y | Intake | Doncaster | 1676m - 1842m |
| 0M -1177y to 1M 0315y | Armthorpe | Doncaster | 564m - 1833m |
🏷️ Positional Accuracy Statistics
| Property | Count | Min | Max | Mean | Median | Std Dev |
|---|---|---|---|---|---|---|
| Linear Accuracy | 3 | -1187m | -370m | -745m | -678m | 412m |
| Normalised Quarter Miles | 3 | 197y | 197y | 197y | 197y | 0y |
| Calibration Segment Length | 3 | 733y | 2349y | 1475y | 1342y | 816y |