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CrashStats

Serious A4 crash in Hounslow on 18 October 2025 at 02:10 involving a Toyota Corolla

A Toyota Corolla, a Volkswagen Polo and a Mercedes CLS Class were involved in a crash on the A4 in Hounslow at 02:10 on Saturday 18 October 2025. A 19-year-old male passenger in the Toyota Corolla and the 24-year-old male driver of the Volkswagen Polo were seriously injured and the 20-year-old male driver of the Toyota Corolla was slightly injured.

It happened after dark under street lighting in fine weather on a dry dual carriageway with a 40 mph limit, at a crossroads.

Severity
Serious
Date
18 Oct 2025
Saturday, 02:10
Vehicles
3
Toyota Corolla and 2 others
Casualties
3
2 seriously injured, 1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.48183, longitude -0.34649, in the TW7 postcode district and within the built-up area of Hounslow. It is one of the crashes that make up the Osterley & Spring Grove, Hounslow, TW7 4BG area accident hotspot.

Map of where the crash happened in Hounslow

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025010604322
Council area
Hounslow
Police force
Metropolitan Police
Police attended the scene
Yes

Road and location details

First road class
A
First road number
4
Road type
Dual carriageway
Speed limit
40 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

Junction type
Crossroads
Junction control
Auto traffic signal
Second road class
Unclassified

Pedestrian crossing information

Crossing facilities
Pedestrian phase at traffic signal

Environmental conditions

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

Enhanced collision data

Serious injury band
Less 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, 6 metres away, was a slight injury crash on 24 December 2021.

Vehicles involved (3)

  • Vehicle 1: Toyota Corolla

    Car

    Manoeuvre
    Waiting to go ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Back
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Male
    Driver age
    20 years
    Engine capacity
    1,987 cc
    Fuel or propulsion
    Hybrid electric
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    5 to 10 km

  • Vehicle 2: Volkswagen Polo

    Car

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Approaching junction or waiting or parked at junction approach
    Hit object in carriageway
    Parked vehicle
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Personal business or leisure
    Driver sex
    Male
    Driver age
    24 years
    Engine capacity
    1,198 cc
    Fuel or propulsion
    Petrol

  • Vehicle 3: Mercedes CLS Class

    Car

    Manoeuvre
    Parked
    Travelling from
    Parked
    Travelling to
    Parked
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Did not impact
    Left-hand drive
    No
    Engine capacity
    2,987 cc
    Fuel or propulsion
    Diesel

Casualties (3)

  • Casualty 1: Driver

    Slight

    Male, aged 20, car occupant, in vehicle 1 (Toyota Corolla)

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

  • Casualty 2: Passenger

    Serious

    Male, aged 19, car occupant, in vehicle 1 (Toyota Corolla)

    Car passenger
    Front seat passenger
    Serious injury band
    Less serious
    Home area deprivation
    20 to 30% most deprived
    Distance from home
    5 to 10 km

  • Casualty 3: Driver

    Serious

    Male, aged 24, car occupant, in vehicle 2 (Volkswagen Polo)

    Serious injury band
    Less serious

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 2025010604322 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Hounslow road accident statistics for 2025.