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CrashStats

M40 crash in South Oxfordshire on 13 September 2025 at 13:25 involving a Mercedes C Class

Two Mercedes C Class cars and a Ford S-Max were involved in a crash on the M40 in South Oxfordshire at 13:25 on Saturday 13 September 2025. The 19-year-old female driver of vehicle 1 was slightly injured.

It happened in daylight in the rain on a wet dual carriageway with a 70 mph limit, away from any junction.

Severity
Slight
Date
13 Sep 2025
Saturday, 13:25
Vehicles
3
Mercedes C Class and 2 others
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.72093, longitude -1.03976, in the OX9 postcode district. It is one of the crashes that make up the Haseley Brook, South Oxfordshire, OX9 7AZ area accident hotspot.

Map of where the crash happened in South Oxfordshire

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025430469494
Council area
South Oxfordshire
Police force
Thames Valley
Police attended the scene
Yes
Highway authority
Oxfordshire

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
Raining, no high winds
Road surface
Wet or damp

Enhanced collision data

How severity was recorded
Judged by the reporting police officer
Estimated chance it was serious
2%
Estimated chance it was slight
98%

The 6 nearest recorded crashes

The nearest, 32 metres away, was a slight injury crash on 14 April 1984.

Vehicles involved (3)

  • Vehicle 1: Mercedes C Class

    Car

    Manoeuvre
    Going ahead
    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Female
    Driver age
    19 years
    Engine capacity
    1,991 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    10 to 20% least deprived
    Distance from driver's home
    20 to 100 km

  • Vehicle 2: Ford S-Max

    Car

    Manoeuvre
    Going ahead
    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    47 years
    Engine capacity
    1,997 cc
    Fuel or propulsion
    Diesel

  • Vehicle 3: Mercedes C Class

    Car

    Manoeuvre
    Going ahead
    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Not at or within 20 metres of junction
    First point of impact
    Back
    Left-hand drive
    No
    Driver sex
    Female
    Driver age
    23 years
    Engine capacity
    1,497 cc
    Fuel or propulsion
    Hybrid electric

Casualties (1)

  • Casualty 1: Driver

    Slight

    Female, aged 19, car occupant, in vehicle 1 (Mercedes C Class)

    Home area deprivation
    10 to 20% least 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 2025430469494 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the South Oxfordshire road accident statistics for 2025.