Last update 2 October 2023
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.
20.27 start of line near Ebbw Vale 22.72 end of line near Trevil (on MTA) Note that very few details are known for this route. It would appear that the line was allocated mileages based on those for EBW, though it appears that there was no physical connection between RAZ and EBW