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CrashStats

Serious M40 crash in Buckinghamshire on 11 December 2025 at 08:26 involving a Renault Trucks lorry

Four vehicles, including a Renault Trucks lorry and a Vauxhall Corsa, were involved in a crash on the M40 in Buckinghamshire at 08:26 on Thursday 11 December 2025. The 29-year-old female driver of the Vauxhall Corsa was seriously injured.

It happened in daylight in fine weather on a dry dual carriageway with a 70 mph limit, away from any junction.

Severity
Serious
Date
11 Dec 2025
Thursday, 08:26
Vehicles
4
Renault Trucks and 3 others
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.59766, longitude -0.66537, in the HP9 postcode district. It is one of the crashes that make up the Beaconsfield, Buckinghamshire, HP9 1TZ area accident hotspot. The location was in the former South Bucks district.

Map of where the crash happened in Buckinghamshire

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025430628802
Council area
Buckinghamshire
Police force
Thames Valley
Police attended the scene
Yes

Road and location details

First road class
Motorway
First road number
40
Road type
Dual carriageway
Speed limit
70 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Junction type
Not at junction or within 20 metres

Pedestrian crossing information

Crossing facilities
No physical crossing facility within 50 m

Environmental conditions

Light conditions
Daylight
Weather
Fine, no high winds
Road surface
Dry

Enhanced collision data

Serious injury band
Moderately serious
How severity was recorded
From injuries recorded by police (CRASH system)
Estimated chance it was serious
100%
Estimated chance it was slight
0%

The 6 nearest recorded crashes

The nearest, 9 metres away, was a slight injury crash on 8 July 2001.

Vehicles involved (4)

  • Vehicle 1: Renault Trucks

    Goods vehicle 7.5 tonnes and over

    Towing and articulation
    Articulated vehicle
    Manoeuvre
    Changing lane to left
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Male
    Driver age
    44 years
    Engine capacity
    12,777 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    10 to 20% most deprived
    Distance from driver's home
    20 to 100 km

  • Vehicle 2: Vauxhall Corsa

    Car

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Not at or within 20 metres of junction
    Leaving the carriageway
    Offside onto central reservation
    Hit object off carriageway
    Central crash barrier
    First point of impact
    Offside
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Female
    Driver age
    29 years
    Engine capacity
    1,398 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    40 to 50% most deprived
    Distance from driver's home
    20 to 100 km

  • Vehicle 3: Volvo XC40

    Car

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Female
    Driver age
    43 years
    Engine capacity
    1,969 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    20 to 30% least deprived
    Distance from driver's home
    Over 100 km

  • Vehicle 4: Mercedes CLK Class

    Car

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Female
    Driver age
    24 years
    Engine capacity
    1,796 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    10 to 20% most deprived
    Distance from driver's home
    20 to 100 km

Casualties (1)

  • Casualty 1: Driver

    Serious

    Female, aged 29, car occupant, in vehicle 2 (Vauxhall Corsa)

    Serious injury band
    Moderately serious
    Home area deprivation
    40 to 50% most deprived
    Distance from home
    20 to 100 km

Data source

This record comes from the Department for Transport’s road safety data (STATS19), in which police forces in Great Britain record every road crash reported to them where someone was injured. It is reference 2025430628802 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Buckinghamshire road accident statistics for 2025.