M40 J1 traffic
No incidents reported at M40 J1 right now.
Updated 03:28 UK time · at J1 and the stretches either side
Right now
Nothing reported at M40 J1 at the moment.
Roadworks now
- Southbound J11 of 2 lanes closedA40 Eastbound Denham entry slip road lane 1 closure
- Southbound J11 of 2 lanes closedA40 Eastbound Denham entry slip road lane 1 closure
Closures tonight
No closures planned at J1 tonight.
The last 90 days
Incidents
2
Collisions
2
Road closed
1time
Typical time to clear
4 h 31 minmedian of 2
Recent incidents
Junctions either side
Common questions
Is the M40 closed at junction 1 right now?
No incidents have closed it right now.
Is M40 J1 closed tonight?
No closures are planned at J1 tonight.
How many crashes have there been at M40 J1?
2 collisions reported at or either side of J1 in the last 90 days, the latest on 25 Sept 2026 at 07:26.
Includes incidents at J1 and on the stretches either side of it. Sources: National Highways, TomTom, TfL and Traffic Wales. Times are UK time.