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CrashStats

M25 crash in Buckinghamshire on 25 November 2025 at 16:00 involving a Toyota BZ4X

A Toyota BZ4X and a BMW 4 Series were involved in a crash on the M25 in Buckinghamshire at 16:00 on Tuesday 25 November 2025. The 32-year-old female driver of the Toyota BZ4X and a 30-year-old female passenger in the Toyota BZ4X were slightly injured.

It happened after dark under street lighting in fine weather on a dry slip road with a 70 mph limit.

Severity
Slight
Date
25 Nov 2025
Tuesday, 16:00
Vehicles
2
Toyota BZ4X and BMW 4 Series
Casualties
2
2 slightly injured

Location of the crash

Police recorded the crash at latitude 51.50045, longitude -0.49554, in the SL0 postcode district. It is one of the crashes that make up the Iver, Buckinghamshire, SL0 9AQ 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
  • Slight

Collision details

Basic information

Reference
2025430602299
Council area
Buckinghamshire
Police force
Thames Valley
Police attended the scene
No, reported using a self completion form

Road and location details

First road class
Motorway
First road number
25
Road type
Slip road
Speed limit
70 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Second road class
Motorway
Second road number
25

Pedestrian crossing information

Crossing facilities
No physical crossing facility within 50 m

Environmental conditions

Light conditions
Dark, street lights lit
Weather
Fine, no high winds
Road surface
Dry

Enhanced collision data

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

The 6 nearest recorded crashes

The nearest, 2 metres away, was a slight injury crash on 3 August 2018.

Vehicles involved (2)

  • Vehicle 1: Toyota BZ4X

    Car

    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Offside
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Female
    Driver age
    32 years
    Fuel or propulsion
    Electric
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    20 to 100 km

  • Vehicle 2: BMW 4 Series

    Car

    Manoeuvre
    Changing lane to left
    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Back
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    48 years
    Engine capacity
    2,979 cc
    Fuel or propulsion
    Petrol

Casualties (2)

  • Casualty 1: Driver

    Slight

    Female, aged 32, car occupant, in vehicle 1 (Toyota BZ4X)

    Home area deprivation
    20 to 30% most deprived
    Distance from home
    20 to 100 km

  • Casualty 2: Passenger

    Slight

    Female, aged 30, car occupant, in vehicle 1 (Toyota BZ4X)

    Car passenger
    Front seat passenger
    Home area deprivation
    20 to 30% 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 2025430602299 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.