Engineer's Line References (ELRs)

Mileages

Last update 24 May 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.

CPY Caerphilly Branch

   5.03	Machen Junction with BJR
   5.14	divergence with CPZ
   5.37	WHITE HART
   5.50	start of River Rhymney viaduct
   5.55	end of River Rhymney viaduct
   6.18	WATERLOO
   7.13	Gwaunybara Junction with CPZ
   7.29	GWERNYDOMEN
   8.72	Caerphilly East Junction with CAR (8.14)

Note that the section between 5.14 and 7.13 had an up direction service only (the down line being CPZ)