Serious Toyota Corolla and Volkswagen Polo and Mercedes Cls Class crash on the A4 in Hounslow - 18 Oct 2025
Accident reference 2025010604322
Accident summary
On Saturday 18 October 2025 at 02:10 a serious collision occurred near A4, Hounslow involving 3 vehicles (mercedes cls class, toyota corolla, volkswagen polo) and 3 casualties (1 slight, 2 serious) Weather at the time was recorded as fine no high winds. Road surface conditions were dry. Lighting was described as darkness - lights lit. A police officer attended the scene.
Key details
- Posted speed limit: 40 mph
- Road type: Dual carriageway
- Junction: Crossroads
- Setting: Urban
Location
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Basic Information
| Accident Reference | 2025010604322 |
| Police Reference | 010604322 |
| Date & Time |
Saturday
|
| Severity | Serious |
| Vehicles Involved | 3 |
| Casualties | 3 |
| Police Force | Metropolitan Police |
| Police Officer Attended | Yes |
Road & Location Details
| Area Type | Urban |
| First Road | A4 |
| Second Road | Unclassified road |
| Road Type | Dual carriageway |
| Speed Limit | 40 mph |
| Trunk Road | Yes |
| Highway Authority | E09000018 |
| Current Highway Authority | E09000018 |
| LSOA Code | E01002680 |
Junction Information
| Junction Detail | Crossroads |
| Junction Control | Auto traffic signal |
Pedestrian Crossing Information
| Pedestrian Crossing | Pedestrian phase at traffic signal |
Environmental Conditions
| Light Conditions | Darkness - lights lit |
| Weather Conditions | Fine no high winds |
| Road Surface Conditions | Dry |
| Carriageway Hazards | None |
Enhanced Collision Data
| Injury Based Classification | Yes |
| Adjusted Serious Casualties | 1 |
| Adjusted Slight Casualties | 0 |
Nearby or similar collisions
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SlightVehicles (3)
Vehicle 3
Vehicle Information
| Type | Car |
| Make/Model | MERCEDES CLS CLASS |
| Engine Capacity | 2987cc |
| Fuel Type | Heavy oil |
| Left Hand Drive | Yes |
| Manoeuvre | Parked |
Driver Information
| Journey Purpose | Not known |
Vehicle 1
Vehicle Information
| Type | Car |
| Make/Model | TOYOTA COROLLA |
| Engine Capacity | 1987cc |
| Fuel Type | Hybrid electric |
| Left Hand Drive | Yes |
| Manoeuvre | Waiting to go - held up |
Driver Information
| Age | 20 |
| Sex | Male |
| Journey Purpose | Journey as part of work |
| IMD Decile | 3 (1=most deprived, 10=least deprived) |
Vehicle 2
Vehicle Information
| Type | Car |
| Make/Model | VOLKSWAGEN POLO |
| Engine Capacity | 1198cc |
| Fuel Type | Petrol |
| Left Hand Drive | Yes |
| Manoeuvre | Going ahead |
Driver Information
| Age | 24 |
| Sex | Male |
| Journey Purpose | Personal business or leisure |
Casualties (3)
Casualty 1
Basic Information
| Class | Driver or rider |
| Severity | Slight |
| Type | Car occupant |
| Age | 20 |
| Sex | Male |
| Associated Vehicle | Vehicle 1 |
Additional Details
| IMD Decile | 3 (1=most deprived, 10=least deprived) |
Casualty 3
Basic Information
| Class | Driver or rider |
| Severity | Serious |
| Type | Car occupant |
| Age | 24 |
| Sex | Male |
| Associated Vehicle | Vehicle 2 |
Additional Details
Casualty 2
Basic Information
| Class | Passenger |
| Severity | Serious |
| Type | Car occupant |
| Age | 19 |
| Sex | Male |
| Associated Vehicle | Vehicle 1 |
Additional Details
| Car Passenger | Front seat passenger |
| IMD Decile | 3 (1=most deprived, 10=least deprived) |
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Data Source
This data is from the UK Department for Transport's STATS19 road safety dataset, available under the Open Government Licence v3.0.