Engineer's Line References (ELRs)

Mileages

Last update 9 November 2025

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 unless stated otherwise. 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.

TRL St Pancras to Cheriton (Channel Tunnel Rail Link)

TRL3 Dagenham Junction to Eurotunnel boundary

 21.264km	junction with TRL2
 21.699km	Dagenham Junction with TRL4 (up line)
 35.555km	North Kent Line Connection Junction with TRL5
 35.953km	intersection bridge under HDR (21m 37ch)
 36.550km	EBBSFLEET INTERNATIONAL
 40.150km	Southfleet Junction with FJS (206.012km)
 42.690km	Singlewell Junction with SNG1 (0.000km)
 88.315km	Ashford West Junction (CTRL) with TRL6 (0.000km)
 90.977km	intersection bridge over ACR (56m 47ch)
 92.723km	Ashford East Junction (CTRL) with TRL7 (4.455km)
105.557km	Dollands Moor West Junction with TRL8 (0.000km) up line
105.674km	Dollands Moor West Junction with TRL8 (0.000km) down line
107.382km	intersection bridge over XTD (66m 56ch)
108.582km	convergence of TML (67m 32ch) and Channel Tunnel datum (7.000km)
109.952km	junction with FTC (8.380km)