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CrashStats

Serious A40 crash in Buckinghamshire on 4 October 1979 at 23:00 involving a car

Three cars and a motorcycle were involved in a crash on the A40 in Buckinghamshire at 23:00 on Thursday 4 October 1979. The 27-year-old male rider of the motorcycle was seriously injured and the 22-year-old female driver of vehicle 2 and the 47-year-old female driver of vehicle 3 were slightly injured.

It happened after dark under street lighting in fine weather on a dry dual carriageway with a 70 mph limit, at a junction.

Severity
Serious
Date
4 Oct 1979
Thursday, 23:00
Vehicles
4
Car and 3 others
Casualties
3
1 seriously injured, 2 slightly injured

Location of the crash

Police recorded the crash at latitude 51.56736, longitude -0.50235, in the UB9 postcode district and within the built-up area of Denham. The location was in the former South Bucks district.

Map of where the crash happened in Buckinghamshire

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
197943B005109
Council area
Buckinghamshire
Police force
Thames Valley

Road and location details

First road class
A
First road number
40
Road type
Dual carriageway
Speed limit
70 mph

Junction information

Junction type
Other junction
Junction control
Stop sign
Second road class
Unclassified

Pedestrian crossing information

Crossing facilities
No physical crossing facility within 50 m

Environmental conditions

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

The 6 nearest recorded crashes

The nearest, at the same spot, was a slight injury crash on 21 May 1983.

Vehicles involved (4)

  • Vehicle 1: Car

    Manoeuvre
    Changing lane to right
    Travelling from
    South East
    Travelling to
    North West
    First point of impact
    Did not impact

  • Vehicle 2: Car

    Manoeuvre
    Waiting to turn right
    Travelling from
    South East
    Travelling to
    North
    First point of impact
    Back
    Driver sex
    Female
    Driver age
    22 years

  • Vehicle 3: Car

    Manoeuvre
    Going ahead
    Travelling from
    North West
    Travelling to
    South East
    First point of impact
    Front
    Driver sex
    Female
    Driver age
    47 years

  • Vehicle 4: Motorcycle

    Manoeuvre
    Going ahead
    Travelling from
    South East
    Travelling to
    North West
    First point of impact
    Front
    Driver sex
    Male
    Driver age
    27 years

Casualties (3)

  • Casualty 1: Driver

    Slight

    Female, aged 22, car occupant, in vehicle 2 (Car)

  • Casualty 2: Driver

    Slight

    Female, aged 47, car occupant, in vehicle 3 (Car)

  • Casualty 3: Rider

    Serious

    Male, aged 27, motorcyclist, on vehicle 4 (Motorcycle)

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 197943B005109 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Buckinghamshire road accident statistics for 1979.