Last update 17 January 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.
Original count 0.00 Bicester South Junction with NAJ3 (8.26) 0.52 Gavray Junction with OXD (19.00) Later count from 2025 8.23 Bicester South Junction with NAJ3 8.79 Gavray Junction with OXD (19.00) Note too that this line is sometimes referred to as WEJ, possibly in error or as an interim before full design had taken place, thus: 8.45 junction with NAJ3 8.76 junction with OXD (18.79)