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CrashStats

A4251 crash in Dacorum on 12 May 2025 at 17:45 involving a Kia Niro

A Kia Niro and a Yamaha R motorcycle were involved in a crash on the A4251 in Dacorum at 17:45 on Monday 12 May 2025. The 40-year-old male rider of the Yamaha R motorcycle was slightly injured.

It happened in daylight in the rain on a wet single carriageway with a 30 mph limit, at a T or staggered junction.

Severity
Slight
Date
12 May 2025
Monday, 17:45
Vehicles
2
Kia Niro and Yamaha R
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.73815, longitude -0.47056, in the HP3 postcode district and within the built-up area of Hemel Hempstead. It is one of the crashes that make up the Apsley and Corner Hall, Dacorum, HP3 9YT area accident hotspot.

Map of where the crash happened in Dacorum

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025411613057
Council area
Dacorum
Police force
Hertfordshire
Police attended the scene
Yes
Highway authority
Hertfordshire

Road and location details

First road class
A
First road number
4251
Road type
Single carriageway
Speed limit
30 mph
Urban or rural
Urban
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
Daylight
Weather
Raining, no high winds
Road surface
Wet or damp

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, 2 metres away, was a slight injury crash on 24 February 2017.

Vehicles involved (2)

  • Vehicle 1: Kia Niro

    Car

    Manoeuvre
    Moving off
    Travelling from
    East
    Travelling to
    West
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Education and educational escort
    Driver sex
    Female
    Driver age
    45 years
    Engine capacity
    1,580 cc
    Fuel or propulsion
    Hybrid electric
    Driver home area deprivation
    10% least deprived
    Distance from driver's home
    Within 5 km

  • Vehicle 2: Yamaha R

    Motorcycle 125cc to 500cc

    Manoeuvre
    Going ahead
    Travelling from
    North
    Travelling to
    South
    Lane or location
    Footway (pavement)
    Position at junction
    Approaching junction or waiting or parked at junction approach
    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
    40 years
    Engine capacity
    125 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    30 to 40% most deprived
    Distance from driver's home
    10 to 20 km

Casualties (1)

  • Casualty 1: Rider

    Slight

    Male, aged 40, motorcyclist (125cc to 500cc), on vehicle 2 (Yamaha R)

    Home area deprivation
    30 to 40% 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 2025411613057 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Dacorum road accident statistics for 2025.