Skip to main content
CrashStats

M4 crash in Windsor and Maidenhead on 28 November 2025 at 09:08 involving a Mercedes A Class

A car and a Mercedes A Class were involved in a crash on the M4 in Windsor and Maidenhead at 09:08 on Friday 28 November 2025. The 38-year-old male driver of the Mercedes A Class and a 37-year-old female passenger in the Mercedes A Class were slightly injured.

It happened in daylight in fine weather on a dry roundabout with a 60 mph limit, at a junction.

Severity
Slight
Date
28 Nov 2025
Friday, 09:08
Vehicles
2
Car and Mercedes A Class
Casualties
2
2 slightly injured

Location of the crash

Police recorded the crash at latitude 51.49916, longitude -0.72519, in the SL6 postcode district. It is one of the crashes that make up the Bray, Windsor and Maidenhead, SL6 2QS area accident hotspot.

Map of where the crash happened in Windsor and Maidenhead

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

  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025430606386
Council area
Windsor and Maidenhead
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
4
Road type
Roundabout
Speed limit
60 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Junction type
Other junction
Junction control
Auto traffic signal
Second road class
A(M)
Second road number
404

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

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, 7 metres away, was a slight injury crash on 29 May 1993.

Vehicles involved (2)

  • Vehicle 1: Car

    Manoeuvre
    Going ahead
    Travelling from
    South West
    Travelling to
    North East
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Front
    Left-hand drive
    No

  • Vehicle 2: Mercedes A Class

    Car

    Manoeuvre
    Waiting to go ahead
    Travelling from
    South West
    Travelling to
    North 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
    38 years
    Engine capacity
    2,143 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    30 to 40% most deprived
    Distance from driver's home
    5 to 10 km

Casualties (2)

  • Casualty 1: Driver

    Slight

    Male, aged 38, car occupant, in vehicle 2 (Mercedes A Class)

    Home area deprivation
    30 to 40% most deprived
    Distance from home
    5 to 10 km

  • Casualty 2: Passenger

    Slight

    Female, aged 37, car occupant, in vehicle 2 (Mercedes A Class)

    Car passenger
    Rear seat passenger
    Home area deprivation
    30 to 40% most deprived
    Distance from home
    5 to 10 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 2025430606386 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Windsor and Maidenhead road accident statistics for 2025.