Engineer's Line References (ELRs)

Mileages

Last update 19 June 2026

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.

NAJ Neasden South to Aynho Junction

NAJ3 Ashendon and Aynho Line

   0.00	Ashendon Junction with NAJ2 (33.69)
   0.27	Ashendon Junction with GUA (164.75) down line
   1.18	DORTON
   3.31	BRILL & LUDGERSHALL
   6.32	BLACKTHORN
   8.23	Bicester South Junction with BSG
   8.26	Bicester South Junction with BSG (0.00)
   8.45	junction with WEJ
   8.61	intersection bridge over OXD (18.61)
   9.27	BICESTER NORTH formerly B.; B. N.; B.
  13.12	ARDLEY
  16.32	start of Souldern No 1 viaduct
  16.47	end of Souldern No 1 viaduct
  17.05	start of Souldern No 2 viaduct
  17.25	end of Souldern No 2 viaduct
  17.39	AYNHO PARK
  17.44	Aynho Park Junction divergence of up and down lines
  17.67	Aynho Flyover viaduct and intersection bridge over DCL (80.49)
  18.26	Aynho Junction with DCL (81.10) up line
  18.29	Aynho Junction with DCL (81.12) down line

Note that Ashendon Junction up line junction is on NAJ2