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. 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.
ABL Abercanaid Loop/Merthyr Tunnel Loop
5.50 junction with QYZ
5.72 junction with MER (5.02)