Horizontal curvature for ELR SJM1 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.

MileageSchematicAverage RadiusRadius RangeFeatures
166M 1121y - 166M 1210y ⚪-⚪⚪⚪-⚪ Straight
166M 1210y - 166M 1320y ⚪-⚪⚪⚪-⚪ StraightSwinton Jn South
166M 1320y - 166M 1430y ⚪-⚪⚪⚪-⚪ Straight
166M 1430y - 166M 1540y ⚪-⚪⚪⚪-⚪ Straight
166M 1540y - 166M 1650y ⚪-⚪⚪⚪-⚪ StraightSWINTON
166M 1650y - 167M 0000y ⚪-⚪⚪⚪-⚪ StraightSWINTON
167M 0000y - 167M 0110y ⚪-⚪⚪⚪-⚪ StraightSwinton Jn North
167M 0110y - 167M 0220y 🟠-🟣🟣🟣-⚫ Moderate (1,272 m)617 m → 38,854 m
167M 0220y - 167M 0330y ⭕-🟠🟠🟠-🟢 Tight (469 m)109 m → 11,706 mformer Swinton Jn
167M 0330y - 167M 0379y ⭕-🔴🔴🔴-🟠 Very Tight (268 m)165 m → 509 m