Ford Ka and Mercedes S Class crash on the A404 - 6 Nov 2025
Accident reference 2025411666060
Accident summary
On Thursday 6 November 2025 at 10:10 a slight collision occurred near A404, M25 involving 2 vehicles (ford ka, mercedes s class) and 1 casualty (1 slight) Weather at the time was recorded as fine no high winds. Road surface conditions were wet or damp. Lighting was described as daylight. A police officer attended the scene.
Key details
- Posted speed limit: 40 mph
- Road type: Dual carriageway
- Junction: Other junction
- Setting: Urban
Location
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Basic Information
| Accident Reference | 2025411666060 |
| Police Reference | 411666060 |
| Date & Time |
Thursday
|
| Severity | Slight |
| Vehicles Involved | 2 |
| Casualties | 1 |
| Police Force | Hertfordshire |
| Police Officer Attended | Yes |
Road & Location Details
Junction Information
| Junction Detail | Other junction |
| Junction Control | Auto traffic signal |
Environmental Conditions
| Light Conditions | Daylight |
| Weather Conditions | Fine no high winds |
| Road Surface Conditions | Wet or damp |
| Carriageway Hazards | None |
Enhanced Collision Data
| Injury Based Classification | Yes |
| Adjusted Serious Casualties | 0 |
| Adjusted Slight Casualties | 1 |
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SlightVehicles (2)
Vehicle 1
Vehicle Information
| Type | Car |
| Make/Model | FORD KA |
| Engine Capacity | 1242cc |
| Fuel Type | Petrol |
| Left Hand Drive | Yes |
| Manoeuvre | Waiting to go - held up |
Driver Information
| Age | 20 |
| Sex | Female |
| Journey Purpose | Not known |
| IMD Decile | 9 (1=most deprived, 10=least deprived) |
Vehicle 2
Vehicle Information
| Type | Car |
| Make/Model | MERCEDES S CLASS |
| Engine Capacity | 2987cc |
| Fuel Type | Heavy oil |
| Left Hand Drive | Yes |
| Manoeuvre | Waiting to go - held up |
Driver Information
| Sex | Unknown |
| Journey Purpose | Not known |
Casualties (1)
Casualty 1
Basic Information
| Class | Driver or rider |
| Severity | Slight |
| Type | Car occupant |
| Age | 20 |
| Sex | Female |
| Associated Vehicle | Vehicle 1 |
Additional Details
| IMD Decile | 9 (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.