Name
Denham Hunton Bridge
Current route
Start point
Junction number at start: 16
Denham
End point
Junction number at end: 19
Chandlers Cross
Original route
The section from J17 Maple Cross to J19 Chandlers Cross had been open as A405 since the 1970s.
Road scheme and chronology data is courtesy SABRE (where much of it was gathered by member Ross Spur), with additional data from the UK Motorway Archive, the Scottish Roads Archive and the Northern Ireland Roads Site.
