🚨 Emergency? Call 999 · Motorway breakdown? 0300 123 5000
LIVE
Loading incidents...

Start typing to search

Find traffic updates, service providers, tools & more

📢 Seen an incident on this road? Report it in 30 seconds Report ›
Live from National Highways

A40 Roadworks

Lane closures, overnight works and planned schemes on the A40, straight from the National Highways feed.

2Running now
0Severe delay
2Starting soon
Home › Traffic › Roads › A40 › Roadworks
Serious
[A40] WESTERN AVENUE (UB6 ) (Ealing)
🔨 Roadworks
✅ Expected to clear by 2026-10-14 23:59:00
Minor
[A40] OXFORD STREET (W1B ,W1C ,W1D ,W1F ,W1G ,W1S ,W1T ,W1W ) (Westminster)
🔨 Roadworks
✅ Expected to clear by 2026-10-16 18:00:00
Severe Eastbound Starting soon 🌙 tonight
A40 Eastbound Denham to Swakeleys carriageway closure
Overall Scheme Details: A40 Westbound Denham to Swakeleys Carriageway closure for routine maintenance works
Diversion: Diversion via Local Authorities Network
✅ until 05:30 Thu 15 Oct
Moderate Westbound Starting soon 🌙 tonight
A40 Westbound Denham Roundabout entry slip road closure
Overall Scheme Details: A40 Westbound Denham to Swakeleys Carriageway closure for routine maintenance works
Diversion: Diversion via Local Authorities Network
✅ until 05:30 Thu 15 Oct

❓ A40 roadworks — Frequently Asked Questions

Are there roadworks on the A40 right now?

Yes — National Highways is reporting 2 sets of roadworks running on the A40.

Is the A40 closed tonight?

2 closures are scheduled on the A40 in the next 72 hours. Each one is listed above with its window and diversion.

When are A40 roadworks usually carried out?

Most National Highways lane closures on the A40 run overnight and are lifted before the morning peak (07:00–09:00). Full carriageway closures are usually weekend nights, with a signed diversion.

🛣️ Data from National Highways · All UK roadworks · Overnight closures · A40 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.

🚗 A40 pages

A40 live traffic →

A40 Trunk Road · 260 miles. Live incidents, junction status and collision history.

🚛 Car recovery along the A40

Broken down on the A40? Pick the nearest town and call a local firm direct:

On a motorway? If you can, get onto the hard shoulder or into an emergency area, leave by the left-hand doors and wait behind the barrier. Stuck in a live lane: stay in the car with your seatbelt on and hazard lights on, and call 999.