Engineer's Line References (ELRs)

Mileages

Last update 17 June 2026

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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.

TML Trans Manche Link (Continental Junction to Eurotunnel Boundary)

  66.32	Saltwood West Junction with XTD
  66.36	Saltwood Central Junction with XTD
  66.40	Saltwood East Junction with XTD and Dollands Moor East Junction with TRL8 (1.447km)
  67.01	Continental Junction with XTD
  67.32	convergence of TRL3 (108.582km) and Channel Tunnel datum (7.000km)
  67.32	start of M20/A20 viaduct
  67.34	concession boundary (NR/Eurotunnel)
  67.45	ownership boundary (NR/CTRL) and end of M20/A20 viaduct [down line]
  67.46	end of M20/A20 viaduct [up line]
  68.15	signalling boundary (NR/Eurotunnel)
  68.64	junction with Channel Tunnel system
 (68.68)	maintenance boundary (NR/Eurotunnel)