Horizontal curvature for ELR HLD is based on the digitised notional centre-line, calculated in 100 metre sections. The average radius computation is weighted, however this should be treated as indicative only. The computed minimum and maximum radii are shown for completeness, and often report a much tighter radius than the physical railway. Radii calculations are influenced by the digitisation quality, and often produce inaccurate values at the extremities of the ELR, areas of tracks divergence, and locations of very tight curvature.
| Mileage | Schematic | Average Radius | Radius Range | Features |
|---|---|---|---|---|
| 72M 0433y - 72M 0440y | ⚪-⚪⚪⚪-⚪ | Straight | ||
| 72M 0440y - 72M 0550y | ⭕-🟠🟠🟠-🟢 | Moderately Tight (565 m) | 144 m → 16,857 m | |
| 72M 0550y - 72M 0660y | ⭕-🟣🟣🟣-⚫ | Moderate (1,485 m) | 156 m → 43,872 m | |
| 72M 0660y - 72M 0770y | 🟢-🟢🟢🟢-🟢 | Very Flat (12,079 m) | ||
| 72M 0770y - 72M 0880y | ⭕-🟠🟠🟠-🔵 | Tight (366 m) | 219 m → 2,096 m | |
| 72M 0880y - 72M 0990y | ⭕-⭕⭕⭕-🔴 | Extremely Tight (194 m) | 123 m → 288 m | |
| 72M 0990y - 72M 1100y | ⭕-⭕⭕⭕-🟠 | Extremely Tight (197 m) | <100 m → 488 m | |
| 72M 1100y - 72M 1210y | ⭕-🔴🔴🔴-⚪ | Very Tight (319 m) | 186 m → Straight | |
| 72M 1210y - 72M 1320y | 🟠-🟡🟡🟡-⚪ | Moderate (957 m) | 716 m → Straight | |
| 72M 1320y - 72M 1430y | ⚪-⚪⚪⚪-⚪ | Straight | ||
| 72M 1430y - 72M 1540y | 🟡-🟡🟡🟡-🟡 | Moderate (1,114 m) | ||
| 72M 1540y - 72M 1650y | ⭕-🟠🟠🟠-⚪ | Tight (442 m) | <100 m → Straight | |
| 72M 1650y - 73M 0000y | ⚪-⚪⚪⚪-⚪ | Straight | ||
| 73M 0000y - 73M 0075y | ⚪-⚪⚪⚪-⚪ | Straight |