Last update 5 August 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.
0.00 Denham West Junction with NAJ2 (3.76) 0.28 Denham South Junction with Denham East Curve (0.27) 2.03 UXBRIDGE HIGH STREET (3.02) junction with UXB (15.34) Note that the link 2.03-3.02 was never completed