Last update 2 November 2023
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.
58.34 mileage junction with SPC2 59.00 Wymington (or Sharnbrook) tunnel portal 60.05 Wymington (or Sharnbrook) tunnel portal 62.07 mileage junction with SPC2 (62.02)