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CrashStats

A420 crash in Oxford on 1 December 2025 at 08:35 involving a car

A car and a bicycle were involved in a crash on the A420 in Oxford at 08:35 on Monday 1 December 2025. The 34-year-old female cyclist was slightly injured.

It happened in daylight in the rain on a wet roundabout with a 20 mph limit.

Severity
Slight
Date
1 Dec 2025
Monday, 08:35
Vehicles
2
Car and bicycle
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.74992, longitude -1.24418, in the OX4 postcode district and within the built-up area of Oxford. It is one of the crashes that make up the St Mary's, Oxford, OX4 1JH area accident hotspot.

Map of where the crash happened in Oxford

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025430611301
Council area
Oxford
Police force
Thames Valley
Police attended the scene
No, reported using a self completion form
Highway authority
Oxfordshire

Road and location details

First road class
A
First road number
420
Road type
Roundabout
Speed limit
20 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
4158

Pedestrian crossing information

Crossing facilities
Central refuge, no other controls

Environmental conditions

Light conditions
Daylight
Weather
Raining, no high winds
Road surface
Wet or damp

Enhanced collision data

How severity was recorded
Judged by the reporting police officer
Estimated chance it was serious
1%
Estimated chance it was slight
99%

The 6 nearest recorded crashes

The nearest, 1 metre away, was a serious injury crash on 28 June 2019.

Vehicles involved (2)

  • Vehicle 1: Car

    Manoeuvre
    Going ahead
    Travelling from
    South East
    Travelling to
    North West
    Position at junction
    Entering roundabout
    First point of impact
    Front
    Left-hand drive
    Yes
    Driver sex
    Female

  • Vehicle 2: Bicycle

    Pedal cycle

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    North West
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Commuting to or from work
    Driver sex
    Female
    Driver age
    34 years
    Driver home area deprivation
    40 to 50% most deprived
    Distance from driver's home
    Within 5 km

Casualties (1)

  • Casualty 1: Cyclist

    Slight

    Female, aged 34, on vehicle 2 (Bicycle)

    Home area deprivation
    40 to 50% most deprived
    Distance from home
    Within 5 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 2025430611301 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Oxford road accident statistics for 2025.