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CrashStats

Serious A31 crash in Winchester on 1 September 2025 at 08:14 involving a Mazda 3

A Mazda 3 crashed on the A31 in Winchester at 08:14 on Monday 1 September 2025. The 37-year-old female driver was seriously injured.

It happened in daylight in fine weather on a wet dual carriageway with a 70 mph limit, away from any junction.

Severity
Serious
Date
1 Sep 2025
Monday, 08:14
Vehicles
1
Mazda 3
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.05414, longitude -1.29415, in the SO21 postcode district and within the built-up area of Winchester. It is one of the crashes that make up the St Michael, Winchester, SO23 8RD area accident hotspot.

Map of where the crash happened in Winchester

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025440394797
Council area
Winchester
Police force
Hampshire
Police attended the scene
Yes
Highway authority
Hampshire

Road and location details

First road class
A
First road number
31
Road type
Dual carriageway
Speed limit
70 mph
Urban or rural
Rural
Trunk road
Non-trunk road

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
Wet or damp

Enhanced collision data

Serious injury band
Less serious
How severity was recorded
From injuries recorded by police (CRASH system)
Estimated chance it was serious
100%
Estimated chance it was slight
0%

The 6 nearest recorded crashes

The nearest, 66 metres away, was a slight injury crash on 6 August 2012.

Vehicles involved (1)

  • Vehicle 1: Mazda 3

    Car

    Manoeuvre
    Overtaking moving vehicle on its offside
    Travelling from
    North
    Travelling to
    South
    Position at junction
    Not at or within 20 metres of junction
    Skidding and overturning
    Skidded
    Leaving the carriageway
    Nearside
    Hit object off carriageway
    Entered ditch
    First point of impact
    Offside
    Left-hand drive
    No
    Driver sex
    Female
    Driver age
    37 years
    Engine capacity
    1,598 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    10 to 20% least deprived
    Distance from driver's home
    20 to 100 km

Casualties (1)

  • Casualty 1: Driver

    Serious

    Female, aged 37, car occupant, in vehicle 1 (Mazda 3)

    Serious injury band
    Less serious
    Home area deprivation
    10 to 20% least deprived
    Distance from home
    20 to 100 km

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 2025440394797 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Winchester road accident statistics for 2025.