Last update 31 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.
73.73 Kettering North Junction with SPC3 later junction 74.46 Glendon South Junction with SPC3 original junction 75.22 Glendon viaduct 77.04 GEDDINGTON 77.38 start of Harpers Brook viaduct 77.50 end of Harpers Brook viaduct 79.32 Corby North Junction with BSC (0.00) 79.40 CORBY [3] 79.42 CORBY [1] formerly C. & COTTINGHAM; WELDON; WELDON & C.; C. & WELDON 79.45 CORBY [2] 83.01 GRETTON 83.05 Gretton viaduct 84.76 HARRINGWORTH 85.18 start of Harringworth viaduct 85.76 end of Harringworth viaduct 86.22 Seaton viaduct 89.65 Wing viaduct 90.11 MANTON 90.23 Manton Junction with GSM2 (90.23) and PMJ (0.00)