Last update 25 May 2026
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.
0.00 original Heath Junction with CAR (3.17) 0.15 relocated Heath Junction with CAR (3.32) 0.29 HEATH LOW LEVEL formerly H. 1.20 TY GLAS 1.37 BIRCHGROVE 1.75 RHIWBINA 2.25 WHITCHURCH (CARDIFF) formerly W.; W. GLAMORGAN; W. SOUTH GLAMORGAN; W. 2.57 CORYTON 2.60 later end of line 3.28 Tongwynlais viaduct ≈3.33 M4 PARK & RIDE proposed 3.65 TONGWYNLAIS 5.24 junction with NAN (0.39) 5.43 GLANYLLYN 6.28 NANTGARW LOW LEVEL formerly N. 7.20 later end of line as part of NAN (2.35) 7.61 UPPER BOAT 8.55 RHYDYFELIN LOW LEVEL formerly R. 9.21 TREFOREST built but never opened 9.23 Rhydyfelin viaduct 9.28 junction with CAM (11.62) Note that 5.24-7.20 is now in NAN