Last update 24 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.
115.33 relocated Castle Cary Junction with WEY (129.50) 115.38 original Castle Cary Junction with WEY (129.56) 117.35 ALFORD 120.17 KEINTON MANDEVILLE 122.30 CHARLTON MACKRELL 125.15 start of Somerton viaduct 125.20 end of Somerton viaduct 125.56 SOMERTON 127.70 LONG SUTTON & PITNEY 129.73 LANGPORT EAST 130.15 start of Langport viaduct 130.24 end of Langport viaduct 130.30 River Parrett viaduct 130.78 Curry Rivel Junction with YEO (155.03) 134.74 ATHELNEY 135.02 Athelney Junction with DUR 137.60 intersection bridge over MLN1 (158.04) 137.69 original Cogload Junction with MLN1 (158.09) 138.03 Cogload Junction with MLN1 (158.23) up line 138.30 Cogload Junction with MLN1 (158.50) down line