Route | Heathrow Airport Link Line |
Section | Airport Jn to Heathrow Tunnel Jn |
Remarks | Refer to HLL1 / HLL2 beyond 12M 0672y |
Maps | HLL • Google • Airport Jn , Heathrow Airport |
Details | Track Curvature • Elevation Profile • Geology |
Extent | 11M 0031y to 16M 1339y • 5.743 miles • 9.243 km |
Measured | 9.279 km (+36m, relative to reported extent) |
Grouping | HLL , HLL1 , HLL2 |
Neighbours | HLL1 , HLL2 , MLN1 |
TRACKmaps | 🟠 Western & Wales |
NR Region | 🟧 Wales & Western |
LOR | 🟠 Heathrow Airport Jn to Heathrow Terminals 4 and 5 GW180 |
Administrative Area
Mileage | Country | Administrative Area |
---|---|---|
11M 0031y to 16M 1339y | England | Hillingdon |
Nearest Place and District
Mileage | Nearest Place | District / County | Distance |
---|---|---|---|
11M 0031y to 11M 1682y | Hayes | Greater London - Hillingdon | 501m - 1684m |
11M 1683y to 12M 1044y | West Drayton | Greater London - Hillingdon | 1125m - 1674m |
12M 1045y to 13M 1638y | Sipson | Greater London - Hillingdon | 340m - 1189m |
13M 1639y to 14M 0560y | Harlington | Greater London - Hillingdon | 1206m - 1712m |
14M 0561y to 14M 1242y | Sipson | Greater London - Hillingdon | 1727m - 2063m |
14M 1243y to 15M 0230y | West Bedfont | Surrey - Spelthorne | 1556m - 2072m |
15M 0231y to 15M 0274y | Stanwell | Surrey - Spelthorne | 1519m - 1537m |
15M 0275y to 16M 0406y | West Bedfont | Surrey - Spelthorne | 647m - 1500m |
16M 0407y to 16M 1339y | East Bedfont | Greater London - Hounslow | 1046m - 1463m |
Positional Accuracy Statistics
Property | Count | Min | Max | Mean | Median | Std Dev |
---|---|---|---|---|---|---|
Linear Accuracy | 10 | -0m | 33m | 4m | 0m | 10m |
Normalised Quarter Miles | 10 | 440y | 452y | 441y | 440y | 4y |
Calibration Segment Length | 10 | 409y | 1760y | 1011y | 880y | 628y |