Serious M4 crash in Slough on 20 March 1986 at 17:00 involving a car
Twenty cars and a van were involved in a crash on the M4 in Slough at 17:00 on Thursday 20 March 1986. The 44-year-old male driver of vehicle 1 was seriously injured and the 29-year-old male driver of the van and the 41-year-old male driver of vehicle 7 were slightly injured.
It happened in daylight in the rain on a wet dual carriageway with a 70 mph limit, away from any junction.
- Severity
- Serious
- Date
- 20 Mar 1986
- Thursday, 17:00
- Vehicles
- 21
- Car and 20 others
- Casualties
- 3
- 1 seriously injured, 2 slightly injured
Location of the crash
Police recorded the crash at latitude 51.51101, longitude -0.65277, in the SL1 postcode district and within the built-up area of Slough.
Map of where the crash happened in Slough
Use the arrow keys to move the map and the plus and minus keys to zoom.
- 1 crash
- Serious
Collision details
Basic information
- Reference
- 198643C085036
- Council area
- Slough
- Police force
- Thames Valley
Road and location details
- First road class
- Motorway
- First road number
- 4
- Road type
- Dual carriageway
- Speed limit
- 70 mph
Junction information
- Junction type
- Not at junction or within 20 metres
Pedestrian crossing information
- Crossing facilities
- No physical crossing facility within 50 m
Environmental conditions
- Light conditions
- Daylight
- Weather
- Raining, no high winds
- Road surface
- Wet or damp
The 6 nearest recorded crashes
The nearest, at the same spot, was a slight injury crash on 10 March 1989.
Slight
Car crash on the M4 in Slough, 10 March 1989
At the same spotRef 198943C037039
Slight
Mercedes C Class crash on the M4 in Slough, 10 March 2019
6 m awayRef 2019430076495
Slight
Car crash on the M4 in Slough, 14 April 1985
10 m awayRef 198543C047045
Slight
Mercedes SL Class crash on the M4 in Slough, 2 March 2000
10 m awayRef 200043N073030
Slight
Car crash on the M4 in Slough, 20 March 1986
10 m awayRef 198643C078036
Slight
Car crash on the M4 in Slough, 12 February 1999
10 m awayRef 199943R146029
Vehicles involved (21)
Vehicle 1: Car
- Manoeuvre
- Slowing or stopping
- Travelling from
- East
- Travelling to
- West
- Skidding and overturning
- Skidded
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 44 years
Vehicle 2: Van
Van or goods vehicle up to 3.5 tonnes
- Manoeuvre
- Going ahead
- Travelling from
- West
- Travelling to
- East
- First point of impact
- Offside
- Driver sex
- Male
- Driver age
- 29 years
Vehicle 3: Car
- Manoeuvre
- Going ahead
- Travelling from
- West
- Travelling to
- East
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 35 years
Vehicle 4: Car
- Manoeuvre
- Going ahead
- Travelling from
- West
- Travelling to
- East
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 32 years
Vehicle 5: Car
- Manoeuvre
- Going ahead
- Travelling from
- West
- Travelling to
- East
- First point of impact
- Back
- Driver sex
- Male
Vehicle 6: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Back
- Driver sex
- Male
- Driver age
- 41 years
Vehicle 7: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 41 years
Vehicle 8: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 19 years
Vehicle 9: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Female
- Driver age
- 25 years
Vehicle 10: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Female
- Driver age
- 38 years
Vehicle 11: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- Driver sex
- Male
Vehicle 12: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 23 years
Vehicle 13: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 59 years
Vehicle 14: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Back
- Driver sex
- Male
- Driver age
- 57 years
Vehicle 15: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 56 years
Vehicle 16: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 50 years
Vehicle 17: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
Vehicle 18: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 32 years
Vehicle 19: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 72 years
Vehicle 20: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
Vehicle 21: Car
- Manoeuvre
- Going ahead
- Travelling from
- East
- Travelling to
- West
- First point of impact
- Front
- Driver sex
- Male
- Driver age
- 24 years
Casualties (3)
Casualty 1: Driver
SeriousMale, aged 44, car occupant, in vehicle 1 (Car)
Casualty 2: Driver
SlightMale, aged 29, van occupant, in vehicle 2 (Van)
Casualty 3: Driver
SlightMale, aged 41, car occupant, in vehicle 7 (Car)
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 198643C085036 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Slough road accident statistics for 1986.