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CrashStats

Serious M4 crash in Cardiff on 20 April 2015 at 10:20 involving a car

Two cars were involved in a crash on the M4 in Cardiff at 10:20 on Monday 20 April 2015. The 36-year-old female driver of vehicle 2 was seriously injured.

It happened in daylight in fine weather on a dry slip road with a 50 mph limit.

Severity
Serious
Date
20 Apr 2015
Monday, 10:20
Vehicles
2
Car and another
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.54061, longitude -3.1284, in the CF23 postcode district. It is one of the crashes that make up the Pontprennau and Old St Mellons, Cardiff, CF23 8FN area accident hotspot.

Map of where the crash happened in Cardiff

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2015621500690
Council area
Cardiff
Police force
South Wales
Police attended the scene
Yes

Road and location details

First road class
Motorway
First road number
4
Road type
Slip road
Speed limit
50 mph
Urban or rural
Rural

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
4232

Pedestrian crossing information

Crossing facilities
No physical crossing facility within 50 m

Environmental conditions

Light conditions
Daylight
Weather
Fine, no high winds
Road surface
Dry

Enhanced collision data

How severity was recorded
Judged by the reporting police officer
Estimated chance it was serious
100%
Estimated chance it was slight
0%

The 6 nearest recorded crashes

The nearest, 12 metres away, was a slight injury crash on 8 May 2006.

Vehicles involved (2)

  • Vehicle 1: Car

    Manoeuvre
    Turning right
    Travelling from
    North
    Travelling to
    South West
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Female
    Driver age
    47 years

  • Vehicle 2: Car

    Manoeuvre
    Turning left
    Travelling from
    North
    Travelling to
    South East
    Position at junction
    Leaving roundabout
    Skidding and overturning
    Skidded
    Leaving the carriageway
    Nearside and rebounded
    Hit object off carriageway
    Nearside or offside crash barrier
    First point of impact
    Back
    Left-hand drive
    No
    Journey purpose
    Commuting to or from work
    Driver sex
    Female
    Driver age
    36 years

Casualties (1)

  • Casualty 2: Driver

    Serious

    Female, aged 36, car occupant, in vehicle 2 (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 2015621500690 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Cardiff road accident statistics for 2015.