Horizontal curvature for ELR HOU 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 Range
7M 0224y - 7M 0330y 🟡-🟣🟣🟣-⚪ Moderate (1,982 m)Moderate (1,070 m) to Straight
7M 0330y - 7M 0440y 🔴-🟠🟠🟠-🟠 Tight (387 m)Very Tight (247 m) to Moderately Tight (505 m)
7M 0440y - 7M 0550y 🟠-🟠🟠🟠-🟠 Moderately Tight (692 m)Moderately Tight (692 m)
7M 0550y - 7M 0660y 🟠-🟠🟠🟠-🟠 Moderately Tight (618 m)Moderately Tight (581 m to 643 m)
7M 0660y - 7M 0770y 🔵-🔵🔵🔵-🔵 Moderately Flat (2,131 m)Moderately Flat (2,131 m)
7M 0770y - 7M 0880y ⚪-⚪⚪⚪-⚪ StraightStraight
7M 0880y - 7M 0990y ⚪-⚪⚪⚪-⚪ StraightStraight
7M 0990y - 7M 1100y 🟡-🟡🟡🟡-🟡 Moderate (897 m)Moderate (897 m)
7M 1100y - 7M 1210y ⚪-⚪⚪⚪-⚪ StraightStraight
7M 1210y - 7M 1320y 🟡-🟡🟡🟡-🟡 Moderate (1,066 m)Moderate (1,066 m)
7M 1320y - 7M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
7M 1430y - 7M 1540y 🟡-🟡🟡🟡-🟡 Moderate (1,186 m)Moderate (1,186 m)
7M 1540y - 7M 1650y 🔵-🔵🔵🔵-🔵 Moderately Flat (2,870 m)Moderately Flat (2,870 m)
7M 1650y - 8M 0000y 🔵-🔵🔵🔵-🔵 Moderately Flat (2,298 m)Moderately Flat (2,298 m)
8M 0000y - 8M 0110y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0110y - 8M 0220y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0220y - 8M 0330y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0330y - 8M 0440y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0440y - 8M 0550y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0550y - 8M 0660y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0660y - 8M 0770y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0770y - 8M 0880y ⚫-⚫⚫⚫-⚫ Extremely Flat (36,894 m)Extremely Flat (36,894 m)
8M 0880y - 8M 0990y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 0990y - 8M 1100y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 1100y - 8M 1210y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 1210y - 8M 1320y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 1320y - 8M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 1430y - 8M 1540y ⚪-⚪⚪⚪-⚪ StraightStraight
8M 1540y - 8M 1650y 🟢-🟢🟢🟢-🟢 Very Flat (7,626 m)Very Flat (7,626 m)
8M 1650y - 9M 0000y ⚪-⚪⚪⚪-⚪ StraightStraight
9M 0000y - 9M 0110y ⚪-⚪⚪⚪-⚪ StraightStraight
9M 0110y - 9M 0220y 🟡-🟡🟡🟡-🟡 Moderate (939 m)Moderate (939 m)
9M 0220y - 9M 0330y 🟡-🟡🟡🟡-🟡 Moderate (810 m)Moderate (810 m)
9M 0330y - 9M 0440y 🟡-🟡🟡🟡-🟣 Moderate (1,184 m)Moderate (1,130 m to 1,311 m)
9M 0440y - 9M 0550y 🟡-🟣🟣🟣-🔵 Moderate (1,512 m)Moderate (1,098 m) to Moderately Flat (2,557 m)
9M 0550y - 9M 0660y 🟡-🟣🟣🟣-🟢 Moderate (1,283 m)Moderate (881 m) to Very Flat (17,098 m)
9M 0660y - 9M 0770y 🟣-🟣🟣🟣-🟣 Moderate (1,524 m)Moderate (1,524 m)
9M 0770y - 9M 0880y 🟣-🟣🟣🟣-🟣 Moderate (1,949 m)Moderate (1,949 m)
9M 0880y - 9M 0990y 🟡-🟡🟡🟡-🟣 Moderate (1,242 m)Moderate (992 m to 1,607 m)
9M 0990y - 9M 1100y 🟡-🟣🟣🟣-🟣 Moderate (1,286 m)Moderate (1,179 m to 1,385 m)
9M 1100y - 9M 1210y 🟡-🟡🟡🟡-🟡 Moderate (1,095 m)Moderate (1,095 m)
9M 1210y - 9M 1320y 🟡-🟡🟡🟡-🟡 Moderate (908 m)Moderate (908 m)
9M 1320y - 9M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
9M 1430y - 9M 1540y 🟡-🟡🟡🟡-🟡 Moderate (857 m)Moderate (857 m)
9M 1540y - 9M 1650y 🟡-🟡🟡🟡-🟡 Moderate (795 m)Moderate (795 m)
9M 1650y - 10M 0000y 🟠-🟣🟣🟣-⚪ Moderate (1,272 m)Moderately Tight (576 m) to Straight
10M 0000y - 10M 0110y 🟠-🟡🟡🟡-⚪ Moderate (1,219 m)Moderately Tight (502 m) to Straight
10M 0110y - 10M 0220y 🟡-🟡🟡🟡-🟡 Moderate (1,207 m)Moderate (1,207 m)
10M 0220y - 10M 0330y 🟣-🟣🟣🟣-🟣 Moderate (1,599 m)Moderate (1,599 m)
10M 0330y - 10M 0440y 🟠-🟡🟡🟡-🟣 Moderate (984 m)Moderately Tight (738 m) to Moderate (1,576 m)
10M 0440y - 10M 0550y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 0550y - 10M 0660y 🟡-🟡🟡🟡-🟡 Moderate (990 m)Moderate (990 m)
10M 0660y - 10M 0770y 🟡-🟡🟡🟡-🟡 Moderate (1,047 m)Moderate (1,013 m to 1,087 m)
10M 0770y - 10M 0880y 🟡-🟡🟡🟡-🟡 Moderate (1,048 m)Moderate (1,048 m)
10M 0880y - 10M 0990y 🟡-🟡🟡🟡-🟡 Moderate (953 m)Moderate (953 m)
10M 0990y - 10M 1100y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1100y - 10M 1210y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1210y - 10M 1320y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1320y - 10M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1430y - 10M 1540y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1540y - 10M 1650y ⚪-⚪⚪⚪-⚪ StraightStraight
10M 1650y - 11M 0000y ⚫-⚫⚫⚫-⚫ Extremely Flat (35,164 m)Extremely Flat (35,164 m)
11M 0000y - 11M 0110y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 0110y - 11M 0220y 🟣-🟣🟣🟣-🟣 Moderate (1,614 m)Moderate (1,614 m)
11M 0220y - 11M 0330y 🟡-🟡🟡🟡-🟡 Moderate (992 m)Moderate (992 m)
11M 0330y - 11M 0440y 🟡-🟡🟡🟡-🟡 Moderate (930 m)Moderate (930 m)
11M 0440y - 11M 0550y 🟡-🟡🟡🟡-🟡 Moderate (1,168 m)Moderate (1,112 m to 1,237 m)
11M 0550y - 11M 0660y 🟡-🟡🟡🟡-🟡 Moderate (1,145 m)Moderate (1,145 m)
11M 0660y - 11M 0770y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 0770y - 11M 0880y 🟢-🟢🟢🟢-🟢 Very Flat (5,999 m)Very Flat (5,999 m)
11M 0880y - 11M 0990y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 0990y - 11M 1100y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 1100y - 11M 1210y 🟢-🟢🟢🟢-🟢 Very Flat (18,368 m)Very Flat (18,368 m)
11M 1210y - 11M 1320y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 1320y - 11M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 1430y - 11M 1540y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 1540y - 11M 1650y ⚪-⚪⚪⚪-⚪ StraightStraight
11M 1650y - 12M 0000y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0000y - 12M 0110y 🟢-🟢🟢🟢-🟢 Very Flat (9,010 m)Very Flat (9,010 m)
12M 0110y - 12M 0220y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0220y - 12M 0330y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0330y - 12M 0440y 🟡-🟡🟡🟡-🟡 Moderate (958 m)Moderate (958 m)
12M 0440y - 12M 0550y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0550y - 12M 0660y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0660y - 12M 0770y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0770y - 12M 0880y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0880y - 12M 0990y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 0990y - 12M 1100y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 1100y - 12M 1210y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 1210y - 12M 1320y 🟢-🟢🟢🟢-🟢 Very Flat (6,852 m)Very Flat (6,852 m)
12M 1320y - 12M 1430y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 1430y - 12M 1540y 🔵-🔵🔵🔵-🔵 Flat (4,030 m)Flat (4,030 m)
12M 1540y - 12M 1650y ⚪-⚪⚪⚪-⚪ StraightStraight
12M 1650y - 13M 0000y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0000y - 13M 0110y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0110y - 13M 0220y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0220y - 13M 0330y 🟢-🟢🟢🟢-🟢 Very Flat (11,030 m)Very Flat (11,030 m)
13M 0330y - 13M 0440y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0440y - 13M 0550y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0550y - 13M 0660y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0660y - 13M 0770y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0770y - 13M 0880y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0880y - 13M 0990y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 0990y - 13M 1100y ⚪-⚪⚪⚪-⚪ StraightStraight
13M 1100y - 13M 1210y 🟡-🟡🟡🟡-🟡 Moderate (843 m)Moderate (843 m)
13M 1210y - 13M 1320y 🟡-🟡🟡🟡-🟡 Moderate (1,030 m)Moderate (1,030 m)
13M 1320y - 13M 1430y 🟠-🟠🟠🟠-🟡 Moderately Tight (743 m)Moderately Tight (655 m) to Moderate (812 m)
13M 1430y - 13M 1540y 🟡-🟡🟡🟡-🟡 Moderate (1,050 m)Moderate (1,050 m)
13M 1540y - 13M 1650y 🟣-🟣🟣🟣-🟣 Moderate (1,306 m)Moderate (1,306 m)
13M 1650y - 14M 0000y ⚪-⚪⚪⚪-⚪ StraightStraight
14M 0000y - 14M 0110y ⚪-⚪⚪⚪-⚪ StraightStraight
14M 0110y - 14M 0220y ⚪-⚪⚪⚪-⚪ StraightStraight
14M 0220y - 14M 0330y ⚪-⚪⚪⚪-⚪ StraightStraight
14M 0330y - 14M 0440y ⚪-⚪⚪⚪-⚪ StraightStraight
14M 0440y - 14M 0550y ⭕-🟠🟠🟠-🔵 Tight (423 m)Extremely Tight (134 m) to Flat (3,571 m)
14M 0550y - 14M 0660y ⭕-🔴🔴🔴-🟢 Very Tight (266 m)Extremely Tight (124 m) to Very Flat (18,707 m)
14M 0660y - 14M 0770y ⭕-🔴🔴🔴-🔵 Very Tight (328 m)Extremely Tight (163 m) to Moderately Flat (2,466 m)
14M 0770y - 14M 0852y ⭕-🔴🔴🔴-⚪ Very Tight (272 m)Extremely Tight (151 m) to Straight