Last update 23 December 2025
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 Flyover Junction with OXD (0.62) 0.53 intersection bridge over LEC1 (46.38) 0.68 BLETCHLEY high level platforms under construction and original Flyover Junction (Summit) with DHF 0.75 later Flyover Junction (Summit) with DHF 1.24 Flyover Single junction 1.48 original Fenny Stratford Flyover Junction with BBM (0.76) 1.60 relocated Fenny Stratford Junction with BBM (0.76) Note that the revised junction mileage with BBM is as given in official documents. However, the 12 chain difference on rebuilding the high level line does not look realistic within the lengths concerned.