Serious Renault Megane and Vauxhall Corsa and Mercedes B Class crash on the M4 in Slough - 21 Jan 2023
Accident reference 2023430031108
Accident summary
On Saturday 21 January 2023 at 11:21 a serious collision occurred near M4, Slough involving 4 vehicles and 5 casualties (4 slight, 1 serious) Weather at the time was recorded as fine no high winds. Road surface conditions were frost or ice. Lighting was described as daylight. A police officer attended the scene.
Key details
- Posted speed limit: 70 mph
- Road type: Dual carriageway
- Setting: Rural
Location
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Basic Information
| Accident Reference | 2023430031108 |
| Police Reference | 430031108 |
| Date & Time |
Saturday
|
| Severity | Serious |
| Vehicles Involved | 4 |
| Casualties | 5 |
| Police Force | Thames Valley |
| Police Officer Attended | Yes |
Road & Location Details
| Area Type | Rural |
| First Road | M4 |
| Second Road | Unclassified road |
| Road Type | Dual carriageway |
| Speed Limit | 70 mph |
| Trunk Road | Yes |
| Highway Authority | E06000039 |
| LSOA Code | E01016481 |
Environmental Conditions
| Light Conditions | Daylight |
| Weather Conditions | Fine no high winds |
| Road Surface Conditions | Frost or ice |
| Special Conditions | None |
| Carriageway Hazards | Previous accident |
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SlightVehicles (4)
Vehicle 1
Vehicle Information
| Type | Goods 7.5 tonnes mgw and over |
| Left Hand Drive | Yes |
| Manoeuvre | Changing lane to right |
Driver Information
| Sex | Male |
| Journey Purpose | Journey as part of work |
Vehicle 2
Vehicle Information
| Type | Car |
| Make/Model | RENAULT MEGANE |
| Vehicle Age | 13 years |
| Engine Capacity | 1598cc |
| Fuel Type | Petrol |
| Left Hand Drive | Yes |
| Manoeuvre | Going ahead other |
Driver Information
| Age | 28 |
| Sex | Female |
| Journey Purpose | Not known |
| Home Area Type | Urban |
| IMD Decile | 10 (1=most deprived, 10=least deprived) |
Vehicle 3
Vehicle Information
| Type | Car |
| Make/Model | VAUXHALL CORSA |
| Vehicle Age | 5 years |
| Engine Capacity | 1398cc |
| Fuel Type | Petrol |
| Left Hand Drive | Yes |
| Manoeuvre | Changing lane to right |
Driver Information
| Age | 53 |
| Sex | Male |
| Journey Purpose | Not known |
| Home Area Type | Rural |
| IMD Decile | 5 (1=most deprived, 10=least deprived) |
Vehicle 4
Vehicle Information
| Type | Car |
| Make/Model | MERCEDES B CLASS |
| Vehicle Age | 10 years |
| Engine Capacity | 1796cc |
| Fuel Type | Heavy oil |
| Left Hand Drive | Yes |
| Manoeuvre | Going ahead other |
Driver Information
| Age | 91 |
| Sex | Male |
| Journey Purpose | Not known |
| Home Area Type | Unknown |
| IMD Decile | 8 (1=most deprived, 10=least deprived) |
Casualties (5)
Casualty 2
Basic Information
| Class | Driver or rider |
| Severity | Slight |
| Type | Car occupant |
| Age | 53 |
| Sex | Male |
| Associated Vehicle | Vehicle 3 |
Additional Details
| Home Area Type | Rural |
| IMD Decile | 5 (1=most deprived, 10=least deprived) |
Casualty 3
Basic Information
| Class | Passenger |
| Severity | Slight |
| Type | Car occupant |
| Age | 42 |
| Sex | Female |
| Associated Vehicle | Vehicle 3 |
Additional Details
| Car Passenger | Front seat passenger |
| Home Area Type | Rural |
| IMD Decile | 5 (1=most deprived, 10=least deprived) |
Casualty 4
Basic Information
| Class | Passenger |
| Severity | Slight |
| Type | Car occupant |
| Age | 77 |
| Sex | Female |
| Associated Vehicle | Vehicle 3 |
Additional Details
| Car Passenger | Rear seat passenger |
| Home Area Type | Rural |
| IMD Decile | 5 (1=most deprived, 10=least deprived) |
Casualty 5
Basic Information
| Class | Passenger |
| Severity | Slight |
| Type | Car occupant |
| Age | 76 |
| Sex | Female |
| Associated Vehicle | Vehicle 3 |
Additional Details
| Car Passenger | Rear seat passenger |
| Home Area Type | Rural |
| IMD Decile | 5 (1=most deprived, 10=least deprived) |
Casualty 1
Basic Information
| Class | Driver or rider |
| Severity | Serious |
| Type | Car occupant |
| Age | 91 |
| Sex | Male |
| Associated Vehicle | Vehicle 4 |
Additional Details
| Home Area Type | Unknown |
| IMD Decile | 8 (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.