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 Penarth Junction with SWM2 (170.46) 0.10 Cardiff West Junction with SWM2 (170.56) 0.21 junction with CCS 0.26 Radyr Branch Junction with RAD 0.48 Penarth Curve South Junction with CPL (0.00) 0.73 GRANGETOWN (CARDIFF) formerly G. GLAM; G. SOUTH GLAM 0.74 Penarth Harbour Junction with PHB ≈1.45 Afon Elái [1] viaduct 1.46 Afon Elái [2] viaduct 2.10 LLANDOUGH 2.25 Penarth Dock Junction with PDK 2.28 Cogan Junction with PTH (0.00) 2.41 COGAN 3.40 EASTBROOK 4.18 DINAS POWYS ≈5.56 TY FYSTON 5.58 Biglis Junction with PTH (5.66) 5.74 Barry Docks Line Junction with BDL 6.05 Cadoxton Junction with CTD (0.00) 6.10 CADOXTON 6.78 BARRY DOCKS 7.40 GLADSTONE BRIDGE preservation station 7.73 WOODHAM preservation station 8.12 BARRY 8.16 Barry Junction with VOG (0.00) 8.49 start of Barry Island viaduct 8.56 end of Barry Island viaduct 8.70 BARRY ISLAND preservation station 8.77 BARRY ISLAND 9.01 PLYMOUTH ROAD preservation station 9.34 BARRY PIER 9.35 end of line