Additional information is always gratefully received, whether entirely new records (particularly historical records) or information to fill in gaps or correct errors, via the contact link under the Miscellaneous entry in the navigation bar above. Thank you.
Mileages are given in the form miles.chains. Figures prefixed with ≈ are approximate, those in parentheses are not on this route but are given for reference. Reference to 'start'/'end' of an asset are as read down the page.
HLL Heathrow Link Line
HLL Network Rail portion
11.04 Heathrow Airport Junction with MLN1
11.15 Heathrow Airport Junction with MLN1 [later position of down main line junction]
12.25 HEATHROW INTERCHANGE
12.30/19.908km Heathrow tunnel portal end-on junction with HLL1 and ownership boundary (NR/BAA)
Note that this was part of the original HLL
