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CrashStats

A40 crash in Buckinghamshire on 2 August 2025 at 17:25 involving a Vauxhall Astra

A motorcycle and a Vauxhall Astra were involved in a crash on the A40 in Buckinghamshire at 17:25 on Saturday 2 August 2025. The 23-year-old male rider of the motorcycle was slightly injured.

It happened in daylight in fine weather on a dry roundabout with a 60 mph limit.

Severity
Slight
Date
2 Aug 2025
Saturday, 17:25
Vehicles
2
Motorcycle and Vauxhall Astra
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.5626, longitude -0.49773, in the UB9 postcode district. It is one of the crashes that make up the Gerrards Cross & Denham, Buckinghamshire, UB9 4DW area accident hotspot. The location was in the former South Bucks district.

Map of where the crash happened in Buckinghamshire

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025430397707
Council area
Buckinghamshire
Police force
Thames Valley
Police attended the scene
No, reported using a self completion form

Road and location details

First road class
A
First road number
40
Road type
Roundabout
Speed limit
60 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
40

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
1%
Estimated chance it was slight
99%

The 6 nearest recorded crashes

The nearest, 3 metres away, was a slight injury crash on 18 July 1979.

Vehicles involved (2)

  • Vehicle 1: Motorcycle

    Motorcycle 125cc and under

    Manoeuvre
    Waiting to go ahead
    Travelling from
    South West
    Travelling to
    North East
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Back
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    23 years
    Driver home area deprivation
    30 to 40% most deprived
    Distance from driver's home
    5 to 10 km

  • Vehicle 2: Vauxhall Astra

    Car

    Manoeuvre
    Going ahead
    Travelling from
    South West
    Travelling to
    North East
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Male
    Engine capacity
    1,364 cc
    Fuel or propulsion
    Petrol

Casualties (1)

  • Casualty 1: Rider

    Slight

    Male, aged 23, motorcyclist (125cc and under), on vehicle 1 (Motorcycle)

    Home area deprivation
    30 to 40% most deprived
    Distance from home
    5 to 10 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 2025430397707 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 2025.