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CrashStats

Serious A40 crash in Buckinghamshire on 16 December 2025 at 07:44 involving a Honda SH 125 motorcycle

A Honda SH 125 motorcycle and a Volkswagen Golf were involved in a crash on the A40 in Buckinghamshire at 07:44 on Tuesday 16 December 2025. The 61-year-old male rider of the Honda SH 125 motorcycle was seriously injured.

It happened after dark under street lighting in fine weather on a wet single carriageway with a 40 mph limit, at a T or staggered junction.

Severity
Serious
Date
16 Dec 2025
Tuesday, 07:44
Vehicles
2
Honda SH 125 and Volkswagen Golf
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.59945, longitude -0.66588, in the HP9 postcode district. It is one of the crashes that make up the Beaconsfield, Buckinghamshire, HP9 1TZ area accident hotspot. The location was in the former South Bucks district.

Map of where the crash happened in Buckinghamshire

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025430637284
Council area
Buckinghamshire
Police force
Thames Valley
Police attended the scene
Yes

Road and location details

First road class
A
First road number
40
Road type
Single carriageway
Speed limit
40 mph
Urban or rural
Rural
Trunk road
Non-trunk road

Junction information

Junction type
T or staggered junction
Junction control
Give way or uncontrolled
Second road class
Unclassified

Pedestrian crossing information

Crossing facilities
No physical crossing facility within 50 m

Environmental conditions

Light conditions
Dark, street lights lit
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, 1 metre away, was a slight injury crash on 22 April 1983.

Vehicles involved (2)

  • Vehicle 1: Honda SH 125

    Motorcycle 125cc to 500cc

    Manoeuvre
    Going ahead
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Mid-junction, on roundabout or on main road
    Skidding and overturning
    Skidded
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Male
    Driver age
    61 years
    Engine capacity
    125 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    10 to 20 km

  • Vehicle 2: Volkswagen Golf

    Car

    Manoeuvre
    Waiting to turn right
    Travelling from
    South
    Travelling to
    East
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Offside
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Female
    Driver age
    55 years
    Engine capacity
    1,896 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    10% least deprived
    Distance from driver's home
    Within 5 km

Casualties (1)

  • Casualty 1: Rider

    Serious

    Male, aged 61, motorcyclist (125cc to 500cc), on vehicle 1 (Honda SH 125)

    Serious injury band
    Less serious
    Home area deprivation
    20 to 30% most deprived
    Distance from home
    10 to 20 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 2025430637284 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.