Last update 9 June 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.
0.02 junction with GCT (132.05) 3.12 WALFORD 4.10 KERNE BRIDGE 4.30 start of Kerne Bridge viaduct 4.37 end of Kerne Bridge viaduct 5.15 start of Lydbrook River Bridge viaduct 5.20 end of Lydbrook River Bridge viaduct 5.40 LYDBROOK JUNCTION formerly L. 5.49 Lydbrook Junction with SLB (20.69) 7.50 SYMONDS YAT 8.41 Slaughter siding 9.60 junction with Hadnock colliery lines 9.72 junction with Hadnock colliery lines 10.59 HADNOCK 11.09 Hadnock siding 12.19 May Hill siding 12.30 MONMOUTH MAY HILL 12.62 Monmouth River Bridge viaduct 13.07 junction with WYE (13.66) 13.09 MONMOUTH TROY formerly M. 16.42 DINGESTOW 18.66 ELMS BRIDGE 19.44 RAGLAN 19.53 RAGLAN FOOTPATH 20.71 RAGLAN ROAD CROSSING formerly R. R. 21.62 LLANDENNY 22.76 CEFN TILLA 24.59 Davies siding 25.14 USK 25.21 River Usk Bridge viaduct WERN HIR possibly at 27.10, though unlikely 26.66 GLASCOED EAST ACCESS ROAD 27.38 GLASCOED CROSSING 27.52 junction with GRF 27.58 GLASCOED [2] 27.60 GLASCOED [1] 29.17 later start of line 29.22 LITTLE MILL JUNCTION formerly L. M. 29.30 Little Mill Junction with HNL1 (30.56)