M4 crash in Carmarthenshire on 6 April 2015 at 10:58 involving a car
Four cars were involved in a crash on the M4 in Carmarthenshire at 10:58 on Monday 6 April 2015. A 38-year-old male passenger in vehicle 4 and a 23-year-old female passenger in vehicle 3 were slightly injured.
It happened in daylight in fine weather on a dry dual carriageway with a 70 mph limit, away from any junction.
- Severity
- Slight
- Date
- 6 Apr 2015
- Monday, 10:58
- Vehicles
- 4
- Car and 3 others
- Casualties
- 2
- 2 slightly injured
Location of the crash
Police recorded the crash at latitude 51.74397, longitude -4.066, in the SA4 postcode district. It is one of the crashes that make up the Llannon, Carmarthenshire, SA4 0FU area accident hotspot.
Map of where the crash happened in Carmarthenshire
Use the arrow keys to move the map and the plus and minus keys to zoom.
- 1 crash
- Slight
Collision details
Basic information
- Reference
- 201563AC16815
- Council area
- Carmarthenshire
- Police force
- Dyfed-Powys
- Police attended the scene
- Yes
Road and location details
- First road class
- Motorway
- First road number
- 4
- Road type
- Dual carriageway
- Speed limit
- 70 mph
- Urban or rural
- Rural
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
- 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
- 2%
- Estimated chance it was slight
- 98%
The 6 nearest recorded crashes
The nearest, 32 metres away, was a slight injury crash on 14 February 2020.
Slight
Renault Clio crash on the M4 in Carmarthenshire, 14 February 2020
32 m awayRef 202063A013620
Slight
Suzuki Grand Vitara crash on the M4 in Carmarthenshire, 27 March 2025
39 m awayRef 2025631570346
Slight
BMW 3 Series crash on the M4 in Carmarthenshire, 29 March 2025
45 m awayRef 2025631571201
Serious
Toyota Hilux crash on the M4 in Carmarthenshire, 8 October 2025
52 m awayRef 2025631651952
Serious
Volkswagen Polo crash on the A48 in Carmarthenshire, 17 July 2025
60 m awayRef 2025631617164
Slight
Car crash on the M4 in Carmarthenshire, 7 April 1982
64 m awayRef 19826382A0105
Vehicles involved (4)
Vehicle 1: Car
- Manoeuvre
- Going ahead
- Travelling from
- South West
- Travelling to
- North East
- Position at junction
- Not at or within 20 metres of junction
- First point of impact
- Front
- Left-hand drive
- No
- Driver sex
- Female
- Driver age
- 70 years
Vehicle 2: Car
- Manoeuvre
- Slowing or stopping
- Travelling from
- South West
- Travelling to
- North East
- Position at junction
- Not at or within 20 metres of junction
- First point of impact
- Back
- Left-hand drive
- No
- Driver sex
- Male
- Driver age
- 34 years
Vehicle 3: Car
- Manoeuvre
- Slowing or stopping
- Travelling from
- South West
- Travelling to
- North East
- Position at junction
- Not at or within 20 metres of junction
- First point of impact
- Back
- Left-hand drive
- No
- Driver sex
- Male
- Driver age
- 22 years
Vehicle 4: Car
- Manoeuvre
- Slowing or stopping
- Travelling from
- South West
- Travelling to
- North East
- Position at junction
- Not at or within 20 metres of junction
- First point of impact
- Back
- Left-hand drive
- No
- Driver sex
- Female
- Driver age
- 22 years
Casualties (2)
Casualty 1: Passenger
SlightMale, aged 38, car occupant, in vehicle 4 (Car)
- Car passenger
- Front seat passenger
Casualty 2: Passenger
SlightFemale, aged 23, car occupant, in vehicle 3 (Car)
- Car passenger
- Front seat passenger
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 201563AC16815 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Carmarthenshire road accident statistics for 2015.