Shopping
Bicester Village
Bicester, Oxfordshire🛣️ M40 junction: J9
✅ No M40 incidents reported within 3 miles
Outlet village with about 150 boutiques, 3 miles from M40 J9
🚨 Live M40 Incidents & Roadworks
Updates every 5 min
No live incidents on the M40 right now — checking National Highways every 5 minutes, 24/7. Closures are listed below.
🌙 M40 closures tonight and the next 3 days 8
From National Highways' closure report, in their words. Times can change - check before you set off.
- Full closureNorthbound M40 Northbound Jct 8a to Jct 9 carriageway closureTomorrow night · 22:15–06:00Diversion: diversion route for maintenance works. Diversion via National Highways network and local authority roads.
- Full closureNorthbound M40 Northbound, Jct 11 to Jct 12 carriageway closureTue 20 Oct · 22:15–06:00Diversion: diversion route for maintenance work Diversion via National Highways network and local authority road
- Partial closureNorthbound M40 northbound, Jct 3 exit slip road closureTomorrow night · 22:15–06:00Diversion: diversion route for maintenance work Diversion via National Highways network and local authority road
- Partial closureNorthbound M40 northbound, Jct 6 entry slip road closureTomorrow night · 22:15–06:00Diversion: diversion route for communication works. Diversion via National Highways network.
- Partial closureNorthbound M40 Northbound Jct 8a entry slip road closureTomorrow night · 22:15–06:00Diversion: diversion route for maintenance works. Diversion via National Highways network and local authority roads.
- Partial closureNorthbound M40 Northbound Jct 9 exit slip road closureTomorrow night · 22:15–06:00Diversion: diversion route for maintenance works. Diversion via National Highways network and local authority roads.
Show all 8 closures
- Partial closureNorthbound M40 Northbound, Jct 11 Entry slip road closureTue 20 Oct · 22:15–06:00Diversion: diversion route for maintenance work Diversion via National Highways network and local authority road
- Partial closureNorthbound M40 Northbound, Jct 12 exit slip road closureTue 20 Oct · 22:15–06:00Diversion: diversion route for maintenance work Diversion via National Highways network and local authority road
Spotted something on the M40?
Warn other drivers in real time — thousands check these pages every day
💥 Crash⚠️ Hazard⛔ Closure🐌 Queue
📹 Latest M40 videos
🗺️ M40 Traffic Map — Where It's Happening
Tap a pin for full incident detail. Live positions from National Highways.
🔢 M40 Junction Status
Tap a junction for its pageJ1Denham & Uxbridge31 crashes
J6Watlington & Lewknor28 crashes
J8Oxford & Wheatley14 crashes
J10Ardley & Stoke Lyne32 crashes
J12Gaydon & Kineton20 crashes
J14Leamington Spa & Warwick57 crashes
J15Warwick & Longbridge35 crashes
🟢 Clear · 🟡 Delays nearby · 🔴 Severe/Crash · Status labels: 💥 CRASH · ❌ CLOSED · 🐌 SLOW · 🚧 WORKS · ⚠️ HAZARD
A red or orange junction border marks a STATS19 collision blackspot. Tap any junction for its own page — live incidents and full collision history. Tap the funnel to filter the list above.
📊 How busy is the M40?
The M40 carries up to 136,403 vehicles a day at its busiest stretch (J1A–J2), including 8,242 HGVs — the 14th busiest motorway in Britain. Official Department for Transport counts, 2025.
136,403
🚗 vehicles a day · J1A–J2
8,242
🚛 lorries a day
2025
📅 DfT count year
share of traffic on the busiest stretch
Busiest stretch of each motorway — vehicles a day
M25
212,636
M6
187,521
M56
179,634
M1
162,446
M8
158,065
M4
156,491
M40
136,403
View as table
| Road | Busiest stretch | Vehicles/day | HGVs/day | HGV share |
|---|---|---|---|---|
| M25 | near J14 | 212,636 | 14,853 | 7% |
| M6 | J20–J21 | 187,521 | 23,492 | 12.5% |
| M56 | J3–J4 | 179,634 | 7,547 | 4.2% |
| M1 | near J9 | 162,446 | 19,151 | 11.8% |
| M8 | J16–J17 | 158,065 | 7,214 | 4.6% |
| M4 | near J4 | 156,491 | 6,249 | 4% |
| M40 ◀ | J1A–J2 | 136,403 | 8,242 | 6% |
Source: Department for Transport road traffic statistics, average annual daily flows 2025. Official counts, updated yearly.
📈 M40 Journey Pulse — when incidents actually happen
Measured from 80 incidents recorded on the M40 since February 2026: the riskiest window is 12:00–15:00, when 25% of incidents start. Right now (20:00) you're outside the peak window.
00
04
08
12
16
20
📈 Busiest 12:00–15:00
😌 Quietest 01:00–04:00
🕒 Typically clears in ~69 min ⏱ Typical delay ~10 min 📅 Weekdays see ~1.9× the weekend rate
View as table
| Hour | Incidents | Share |
|---|---|---|
| 00:00–01:00 | 5 | 6.3% |
| 01:00–02:00 | 0 | 0% |
| 02:00–03:00 | 1 | 1.3% |
| 03:00–04:00 | 0 | 0% |
| 04:00–05:00 | 0 | 0% |
| 05:00–06:00 | 1 | 1.3% |
| 06:00–07:00 | 4 | 5% |
| 07:00–08:00 | 6 | 7.5% |
| 08:00–09:00 | 5 | 6.3% |
| 09:00–10:00 | 1 | 1.3% |
| 10:00–11:00 | 6 | 7.5% |
| 11:00–12:00 | 3 | 3.8% |
| 12:00–13:00 ◀ peak | 7 | 8.8% |
| 13:00–14:00 ◀ peak | 7 | 8.8% |
| 14:00–15:00 ◀ peak | 6 | 7.5% |
| 15:00–16:00 | 3 | 3.8% |
| 16:00–17:00 | 5 | 6.3% |
| 17:00–18:00 | 2 | 2.5% |
| 18:00–19:00 | 7 | 8.8% |
| 19:00–20:00 | 1 | 1.3% |
| 20:00–21:00 | 5 | 6.3% |
| 21:00–22:00 | 3 | 3.8% |
| 22:00–23:00 | 1 | 1.3% |
| 23:00–00:00 | 1 | 1.3% |
Measured from 80 incidents recorded by this site since February 2026 (planned roadworks excluded). Recomputed nightly from our incident archive.
🧭 Along the M40
🔀 Major interchanges — where the M40 meets other roads
🛍️J9
Bicester Village
Designer outlet — exit J9 onto the A41
🦅J5–J6
Stokenchurch Gap
47m chalk cutting famous for red kites
🎓J8
Oxford
Spur at J8 continues as the A40 into Oxford
🏰J15
Warwick Castle
Well signposted, under two miles from J15
📍 Heading to… off the M40
The places people drive to most, the M40 junction for each, and live M40 incidents nearby at 20:05.
Heritage
Blenheim Palace
Woodstock, Oxfordshire🛣️ M40 junction: J9
✅ No M40 incidents reported within 3 miles
Palace and park on the A44, eight miles north-west of Oxford
Attraction
British Motor Museum
Gaydon, Warwickshire🛣️ M40 junction: J12
✅ No M40 incidents reported within 3 miles
Motor museum at Gaydon, five minutes from M40 junction 12 on the B4100
Events venue
NAEC Stoneleigh (Stoneleigh Park)
Stoneleigh, Warwickshire🛣️ M40 junction: J15
✅ No M40 incidents reported within 3 miles
Event showground (Race Retro and more); signed via B4113 off the A46
Heritage
Warwick Castle
Warwick, Warwickshire🛣️ M40 junction: J15
✅ No M40 incidents reported within 3 miles
Castle in Warwick town, under 2 miles from M40 junction 15
Town centre
Oxford
Oxford, Oxfordshire🛣️ Via the M40
✅ No M40 incidents reported within 3 miles
City centre with bus gates and traffic filters; large park and ride network
Motorsport
Silverstone Circuit
Silverstone, Northamptonshire🛣️ Via the M40
✅ No M40 incidents reported within 3 miles
Capacity 175,000; A43 roadworks Towcester–Silverstone may add time
⚠️ Most Dangerous M40 Junctions
Based on DfT STATS19 police collision records. The M40 has 470 recorded collisions at 23 collision hotspots, involving 729 casualties (23 fatal). Take extra care here. Ranked by fatal, then serious collisions, then casualties - not by the number of collisions alone.
#1
Severe Blackspot
J14
57 collisions · 85 casualties · 5 fatal · 13 serious
#2
Severe Blackspot
J1
31 collisions · 52 casualties · 3 fatal · 10 serious
#3
Severe Blackspot
J15
35 collisions · 58 casualties · 2 fatal · 5 serious
#4
Severe Blackspot
nr Warwick
20 collisions · 28 casualties · 2 fatal · 1 serious
#5
Blackspot
nr Thame
12 collisions · 20 casualties · 2 fatal · 1 serious
#6
Severe Blackspot
nr Bicester
42 collisions · 64 casualties · 1 fatal · 10 serious
🛒 Journey Essentials
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❓ M40 Traffic — Frequently Asked Questions
Is the M40 closed today?
Any M40 closure appears in the live feed above within minutes of National Highways reporting it, including tonight's overnight roadworks closures.
Is there traffic on the M40 today?
The live feed above shows every incident, delay, roadwork and overnight closure on the M40, updated every 5 minutes, 24 hours a day, from National Highways.
What is the worst time to use the M40?
The M40 is typically busiest during morning rush hour (07:00–09:30) and evening rush hour (16:30–19:30) on weekdays.
Are there roadworks on the M40 right now?
Roadworks and overnight closures on the M40 are listed above and at /traffic/m40/roadworks/, taken from the National Highways daily closure report.
What roads connect to the M40?
The M40 connects to: M25, A40, M42.
Is there an accident on the M40 northbound or southbound today?
Each side has its own live page: the M40 northbound (towards Birmingham) and the M40 southbound (towards High Wycombe) each list every accident, breakdown, closure and roadworks on that carriageway, updated every 5 minutes, 24 hours a day, from National Highways. The panel at the top of this page shows both sides at a glance.
How many vehicles use the M40 every day?
Official Department for Transport counts (2025) record 136,403 vehicles a day on the M40's busiest stretch (J1A–J2), 8,242 of them HGVs. The full breakdown and comparison chart are in the traffic statistics section above.
How busy is the M40 compared with other motorways?
The M40 has the 14th busiest motorway stretch in Britain at 136,403 vehicles a day (DfT 2025), behind the M25's 212,636 a day at the top.
What time of day is the M40 worst for incidents?
Measured from 80 incidents recorded on the M40 since February 2026, the riskiest window is 12:00–15:00, when 25% of incidents start. The quietest is 01:00–04:00. Incidents on the M40 typically clear in about 69 minutes.
📊 M40 Status Summary
0
Active incidents
0
Severe/serious
0
Roadworks
20:05
Last updated
🆘 Broken down on the M40?
One free request reaches local recovery firms
ℹ️ M40 Road Details
- Length
- 87 miles
- Junctions
- J1–J16
- From
- London (M25 J16)
- To
- Birmingham (M42)
- Type
- Motorway
- AM Rush
- 07:00–09:30
- PM Rush
- 16:30–19:30
📍 Key M40 Locations
High Wycombe
Oxford
Banbury
Warwick
Coventry
Birmingham
🔗 Roads Connecting to the M40
🛣️ M40 Services & Motorway Stops
🔗 Related Tools
📱 Follow M40 Updates
Daily M40 incidents, posted across all four channels.
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