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CrashStats

M1 crash in Three Rivers on 16 August 2025 at 19:30 involving a Mercedes C Class

A Mercedes C Class and a BMW M1 were involved in a crash on the M1 in Three Rivers at 19:30 on Saturday 16 August 2025. The 72-year-old male driver of the Mercedes C Class and a 73-year-old female passenger in the Mercedes C Class were slightly injured.

It happened in daylight in fine weather on a dry dual carriageway with a 70 mph limit, at a junction.

Severity
Slight
Date
16 Aug 2025
Saturday, 19:30
Vehicles
2
Mercedes C Class and BMW M1
Casualties
2
2 slightly injured

Location of the crash

Police recorded the crash at latitude 51.705, longitude -0.3814, in the AL2 postcode district. It is one of the crashes that make up the Leavesden, Three Rivers, WD25 0PR area accident hotspot.

Map of where the crash happened in Three Rivers

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025411630795
Council area
Three Rivers
Police force
Hertfordshire
Police attended the scene
No, reported using a self completion form
Highway authority
Hertfordshire

Road and location details

First road class
Motorway
First road number
1
Road type
Dual carriageway
Speed limit
70 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Junction type
Other junction
Junction control
Give way or uncontrolled
Second road class
Motorway
Second road number
1

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
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, 5 metres away, was a slight injury crash on 13 January 2016.

Vehicles involved (2)

  • Vehicle 1: Mercedes C Class

    Car

    First point of impact
    Back
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    72 years
    Engine capacity
    1,796 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    20 to 30% most deprived
    Distance from driver's home
    20 to 100 km

  • Vehicle 2: BMW M1

    Car

    Driver sex
    Male
    Driver age
    23 years
    Engine capacity
    2,979 cc
    Fuel or propulsion
    Petrol
    Driver home area deprivation
    40 to 50% most deprived
    Distance from driver's home
    10 to 20 km

Casualties (2)

  • Casualty 1: Driver

    Slight

    Male, aged 72, car occupant, in vehicle 1 (Mercedes C Class)

    Home area deprivation
    20 to 30% most deprived
    Distance from home
    20 to 100 km

  • Casualty 2: Passenger

    Slight

    Female, aged 73, car occupant, in vehicle 1 (Mercedes C Class)

    Car passenger
    Front seat passenger
    Home area deprivation
    20 to 30% most deprived
    Distance from home
    20 to 100 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 2025411630795 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.