Skip to main content
CrashStats

Serious A4145 crash in Three Rivers on 17 July 2025 at 20:00 involving a Mitsubishi

A Mitsubishi and a BMW iX3 were involved in a crash on the A4145 in Three Rivers at 20:00 on Thursday 17 July 2025. There were four casualties: one person was seriously injured and three were slightly injured.

It happened in daylight in fine weather on a dry roundabout with a 40 mph limit.

Severity
Serious
Date
17 Jul 2025
Thursday, 20:00
Vehicles
2
Mitsubishi and BMW iX3
Casualties
4
1 seriously injured, 3 slightly injured

Location of the crash

Police recorded the crash at latitude 51.63996, longitude -0.42767, in the WD18 postcode district.

Map of where the crash happened in Three Rivers

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

  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025411623347
Council area
Three Rivers
Police force
Hertfordshire
Police attended the scene
Yes
Highway authority
Hertfordshire

Road and location details

First road class
A
First road number
4145
Road type
Roundabout
Speed limit
40 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

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
Fine, no high winds
Road surface
Dry

Enhanced collision data

Serious injury band
Very 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, 12 metres away, was a slight injury crash on 7 October 1994.

Vehicles involved (2)

  • Vehicle 1: Mitsubishi

    Car

    Manoeuvre
    Going ahead
    Travelling from
    South West
    Travelling to
    South
    Position at junction
    Entering roundabout
    Skidding and overturning
    Skidded
    First point of impact
    Front
    Driver sex
    Male
    Driver age
    30 years
    Engine capacity
    1,997 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    10 to 20% least deprived
    Distance from driver's home
    5 to 10 km

  • Vehicle 2: BMW iX3

    Car

    Manoeuvre
    Going ahead
    Travelling from
    South
    Travelling to
    North East
    Position at junction
    Entering roundabout
    First point of impact
    Offside
    Driver sex
    Female
    Driver age
    54 years
    Fuel or propulsion
    Electric
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    Within 5 km

Casualties (4)

  • Casualty 1: Driver

    Serious

    Male, aged 30, car occupant, in vehicle 1 (Mitsubishi)

    Serious injury band
    Very serious
    Home area deprivation
    10 to 20% least deprived
    Distance from home
    5 to 10 km

  • Casualty 2: Driver

    Slight

    Female, aged 54, car occupant, in vehicle 2 (BMW iX3)

    Home area deprivation
    20 to 30% most deprived
    Distance from home
    Within 5 km

  • Casualty 3: Passenger

    Slight

    Male, aged 27, car occupant, in vehicle 1 (Mitsubishi)

    Car passenger
    Front seat passenger
    Home area deprivation
    10% least deprived
    Distance from home
    5 to 10 km

  • Casualty 4: Passenger

    Slight

    Male, aged 26, car occupant, in vehicle 1 (Mitsubishi)

    Car passenger
    Rear seat passenger
    Home area deprivation
    20 to 30% least 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 2025411623347 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Three Rivers road accident statistics for 2025.