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CrashStats

B440 crash in Buckinghamshire on 9 September 2025 at 00:07 involving a motorcycle

A motorcycle crashed on the B440 in Buckinghamshire at 00:07 on Tuesday 9 September 2025. The 18-year-old female rider was slightly injured.

It happened after dark with no street lighting in fine weather on a dry single carriageway with a 60 mph limit, away from any junction.

Severity
Slight
Date
9 Sep 2025
Tuesday, 00:07
Vehicles
1
Motorcycle
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.83301, longitude -0.55806, in the HP4 postcode district. The location was in the former Aylesbury Vale district.

Map of where the crash happened in Buckinghamshire

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025430460863
Council area
Buckinghamshire
Police force
Thames Valley
Police attended the scene
Yes

Road and location details

First road class
B
First road number
440
Road type
Single carriageway
Speed limit
60 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
Dark, no street lighting
Weather
Fine, no high winds
Road surface
Dry
Carriageway hazards
Any animal in carriageway (except ridden horse)

Enhanced collision data

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

The 6 nearest recorded crashes

The nearest, 15 metres away, was a serious injury crash on 31 January 1987.

Vehicles involved (1)

  • Vehicle 1: Motorcycle

    Motorcycle 125cc and under

    Travelling from
    South East
    Travelling to
    North West
    Position at junction
    Not at or within 20 metres of junction
    Skidding and overturning
    Skidded
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Commuting to or from work
    Driver sex
    Female
    Driver age
    18 years
    Engine capacity
    125 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    10 to 20% least deprived
    Distance from driver's home
    10 to 20 km

Casualties (1)

  • Casualty 1: Rider

    Slight

    Female, aged 18, motorcyclist (125cc and under), on vehicle 1 (Motorcycle)

    Home area deprivation
    10 to 20% least 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 2025430460863 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.