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HomeTrafficAccident Archive

M40 — UK Road Accident Archive

Motorway and A-road collisions from National Highways. Instant evidence reports from 99p — or £199 Expedited Service for serious cases£199 PREMIUM PLUS

15
Today
319
This Week
4,035
Severe Total
4,035
Total Collisions
319 collisions logged in the last 7 days — could one have affected you?
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30 serious collisions in this view. Premium Plus £199 includes a Premium Report, human review of your data within 4 working hours, and a panel solicitor calling you within 24h. Pick the relevant incident below to start.

83 incidents found on M40
M40 3 related
Severe Accident
M40 J9 northbound access | Northbound | Accident
Location : The M40 northbound entry slip at junction J9 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The e
📅 2 Jun 2026, 09:21 📍 Oxford, Kidlington
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Related segments — same incident

Severe M40 southbound between J7 and J6 | Southbound | Accident Cleared 09:40 View → Severe M40 southbound between J7 and J6 | Southbound | Congestion Cleared 10:30 View →
M40
Severe Accident
M40 J2 southbound exit | Southbound | Accident
Location : The M40 southbound exit slip at junction J2 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The ev
📅 2 Jun 2026, 00:24 📍 High Wycombe, Marlow
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M40
Severe Accident
M40 southbound within J1 | Southbound | Accident
Location : The M40 southbound at junction J1 . Lane Closures : Lane three is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear betw
📅 29 May 2026, 18:43 📍 High Wycombe, Beaconsfield
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M40
Severe Accident
M40 northbound between J9 and J10 | Northbound | Accident
Location : The M40 northbound between junctions J9 and J10 . Lane Closures : Lanes 2 and 3 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is exp
📅 29 May 2026, 15:28 📍 Kidlington, Oxford
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M40
Severe Accident
M40 northbound between J6 and J7 | Northbound | Accident
Location : The M40 northbound between junctions J6 and J8A . Lane Closures : Lane three is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expecte
📅 29 May 2026, 02:34 📍 Thame, Princes Risborough
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M40 2 related
Severe Accident
M40 northbound between J1A and J2 | Northbound | Congestion
Location : The M40 northbound between junctions J1A and J2 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 28
📅 28 May 2026, 15:29 📍 High Wycombe, Marlow
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Related segments — same incident

Severe M40 northbound between J1A and J2 | Northbound | Overturned Vehicle Cleared 18:15 View →
M40 3 related
Severe Accident
M40 northbound between J10 and J11 | Northbound | Accident
Location : The M40 northbound between junctions J10 and J11 . Lane Closures : Lanes 2 and 3 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is ex
📅 25 May 2026, 19:01 📍 Bicester, Woodstock
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Related segments — same incident

Severe M40 southbound within J10 | Southbound | Accident Cleared 01:00 View → Severe M40 southbound between J10 and J9 | Southbound | Congestion Cleared 20:05 View →
M40 2 related
Severe Accident
M40 northbound between J15 and J16 | Northbound | Congestion
Location : The M40 northbound between junctions J15 and J16 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 12:15 and 12:30 on 2
📅 24 May 2026, 11:58 📍 Leamington Spa, Kenilworth
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Related segments — same incident

Severe M40 northbound between J16 and M42 | Northbound | Accident Cleared 13:25 View →
M40
Severe Accident
M40 southbound between J10 and J9 | Southbound | Accident
Location : The M40 southbound between junctions J10 and J9 . Lane Closures : Lanes 2 and 3 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is exp
📅 23 May 2026, 11:28 📍 Kidlington, Oxford
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M40 2 related
Severe Accident
M40 southbound between J5 and J4 | Southbound | Accident
Location : The M40 southbound between junctions J5 and J4 . Reason : Road traffic collision. Status : Cleared.
📅 22 May 2026, 18:49 📍 High Wycombe, Princes Risborough
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Related segments — same incident

Severe M40 southbound between J5 and J4 | Southbound | Congestion Cleared 20:20 View →
M40 2 related
Severe Accident
M40 northbound between J2 and J3 | Northbound | Congestion
Location : The M40 northbound between junctions J2 and J4 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 13:45 and 14:00 on 20
📅 20 May 2026, 13:14 📍 High Wycombe, Marlow
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Related segments — same incident

Severe M40 northbound between J2 and J3 | Northbound | Accident Cleared 14:45 View →
M40
Severe Accident
M40 J3 northbound exit | Northbound | Accident
Location : The M40 northbound exit slip at junction J3 . Lane Closures : Lane two is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to cl
📅 17 May 2026, 18:09 📍 High Wycombe, Marlow
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M40 2 related
Severe Accident
M40 northbound within J1A before M25 J16 anti-clockwise access | Northbound | Accident
Location : The M40 northbound at junction J1A . Lane Closures : Lane three is closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear bet
📅 15 May 2026, 08:34 📍 High Wycombe, Beaconsfield
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Related segments — same incident

Severe M40 northbound between J1A and J2 | Northbound | Accident Cleared 10:05 View →
M40 3 related
Severe Accident
M40 | Warwickshire | Lane Restrictions | Severe Delays
The M40 northbound in Warwickshire is experiencing severe delays following a collision involving a single vehicle. Two of three lanes are closed between J11 (Banbury) and J12 (Gaydon).
📅 14 May 2026, 17:51 📍 Banbury, Brackley
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Related segments — same incident

Severe M40 J11 northbound access | Northbound | Accident Cleared 18:50 View → Severe M40 northbound between J11 and J12 | Northbound | RoadOrCarriagewayOrLaneManagem Cleared 23:20 View →
M40
Severe Accident
M40 northbound between J3 and J4 | Northbound | Accident
Location : The M40 northbound between junctions J3 and J4 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : Th
📅 12 May 2026, 08:54 📍 High Wycombe, Marlow
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M40 4 related
Severe Accident
M40 southbound between J8A and J8 | Southbound | Congestion
Location : The M40 southbound between junctions J8A and J8 . Reason : Congestion. Status : Currently Active. Return To Normal : Normal traffic conditions are expected between 20:00 and 20:15 on 1
📅 1 May 2026, 18:24 📍 Thame, Oxford
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Related segments — same incident

Severe M40 J7 southbound access | Southbound | Accident Cleared 19:00 View → Severe M40 J8 southbound access | Southbound | Accident Cleared 19:00 View → Severe M40 J8A southbound access | Southbound | Accident Cleared 19:00 View →
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🛣️ M40 3 Jun 2026 Moderate

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UK Road Accident Data — National Highways

UK Traffic Updates archives every collision, overturned vehicle incident, and vehicle fire recorded by National Highways across England's motorway and strategic road network. Records include timestamps, road closures, duration, severity, and location data.

If you were involved in an accident on a UK motorway or A-road, this archive can help you find the incident record. Our instant evidence reports come in five tiers: 99p Micro Certificate (instant timestamp proof), £5.99 Delay Certificate (HR or insurance proof of delay), £14.99 Standard Report (full incident details with weather and road context), £49.99 Premium Court-Ready Report (complete evidence pack with full timeline, traffic impact analysis, emergency services detection, blackspot history, and meteorological conditions), and the £59.99 Crash Day Pack (Premium Report + Delay Certificate + Risk Report bundled — saves £3.98 vs buying separately). Reports generate within seconds, not months.

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Our partner solicitors specialise in motorway and A-road accident claims across England, working on a No Win, No Fee basis. The Premium Report is designed specifically for legal proceedings and insurance disputes — with section references, legal citations under the Road Traffic Act 1988, and admissible evidence formatting.

Data from National Highways under the Open Government Licence v3.0. © 2026 UK Traffic Updates.

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