Horizontal curvature for ELR MIS 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 |
|---|---|---|---|
| 79M 1489y - 79M 1540y |  🔴-🔴🔴🔴-🔴 | Very Tight (228 m) | Very Tight (228 m) |
| 79M 1540y - 79M 1650y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 79M 1650y - 80M 0000y |  🟠-🟡🟡🟡-⚪ | Moderate (1,176 m) | Tight (366 m) to Straight |
| 80M 0000y - 80M 0110y |  🟡-🟡🟡🟡-⚪ | Moderate (1,225 m) | Moderate (818 m) to Straight |
| 80M 0110y - 80M 0220y |  🔵-🔵🔵🔵-🔵 | Moderately Flat (2,107 m) | Moderately Flat (2,107 m) |
| 80M 0220y - 80M 0330y |  🟡-🟡🟡🟡-🟡 | Moderate (856 m) | Moderate (856 m) |
| 80M 0330y - 80M 0440y |  🟠-🟠🟠🟠-🟠 | Tight (442 m) | Tight (396 m to 488 m) |
| 80M 0440y - 80M 0550y |  🟠-🟠🟠🟠-🟠 | Moderately Tight (500 m) | Moderately Tight (500 m) |
| 80M 0550y - 80M 0660y | Â â•-â•â•â•-â•Â | Extremely Tight (138 m) | Extremely Tight (<100 m to 167 m) |
| 80M 0660y - 80M 0770y |  â•-â•â•â•-🔴 | Extremely Tight (155 m) | Extremely Tight (<100 m) to Very Tight (259 m) |
| 80M 0770y - 80M 0880y |  🔴-🔴🔴🔴-🔴 | Very Tight (256 m) | Very Tight (254 m to 257 m) |
| 80M 0880y - 80M 0990y |  â•-â•â•â•-🔴 | Extremely Tight (150 m) | Extremely Tight (<100 m) to Very Tight (266 m) |
| 80M 0990y - 80M 1100y |  â•-â•â•â•-🟠 | Extremely Tight (165 m) | Extremely Tight (<100 m) to Moderately Tight (522 m) |
| 80M 1100y - 80M 1210y |  🔴-🟠🟠🟠-🟡 | Tight (480 m) | Very Tight (268 m) to Moderate (1,186 m) |
| 80M 1210y - 80M 1320y |  🟢-🟢🟢🟢-🟢 | Very Flat (7,846 m) | Very Flat (7,846 m) |
| 80M 1320y - 80M 1430y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 80M 1430y - 80M 1540y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 80M 1540y - 80M 1650y |  🟢-🟢🟢🟢-🟢 | Very Flat (5,278 m) | Very Flat (5,278 m) |
| 80M 1650y - 81M 0000y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0000y - 81M 0110y |  🟢-🟢🟢🟢-🟢 | Very Flat (6,196 m) | Very Flat (6,196 m) |
| 81M 0110y - 81M 0220y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0220y - 81M 0330y |  🟢-🟢🟢🟢-🟢 | Very Flat (17,332 m) | Very Flat (17,332 m) |
| 81M 0330y - 81M 0440y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0440y - 81M 0550y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0550y - 81M 0660y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0660y - 81M 0770y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0770y - 81M 0880y | Â â•-â•â•â•-â•Â | Extremely Tight (196 m) | Extremely Tight (196 m) |
| 81M 0880y - 81M 0990y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |
| 81M 0990y - 81M 1095y |  ⚪-⚪⚪⚪-⚪ | Straight | Straight |