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CrashStats

Serious A405 crash in Three Rivers on 19 October 2017 at 05:20 involving a Mercedes C Class

A Mercedes C Class crashed on the A405 in Three Rivers at 05:20 on Thursday 19 October 2017. A 34-year-old male passenger was seriously injured.

It happened after dark under street lighting in fine weather on a dry roundabout with a 40 mph limit.

Severity
Serious
Date
19 Oct 2017
Thursday, 05:20
Vehicles
1
Mercedes C Class
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.63001, longitude -0.50356, in the WD3 postcode district. It is one of the crashes that make up the Chorleywood South & Maple Cross, Three Rivers, WD3 5DP area accident hotspot.

Map of where the crash happened in Three Rivers

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2017410238662
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
405
Road type
Roundabout
Speed limit
40 mph
Urban or rural
Rural
Trunk road
Non-trunk road

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
412

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
Dry

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, 19 metres away, was a slight injury crash on 21 December 1998.

Vehicles involved (1)

  • Vehicle 1: Mercedes C Class

    Car

    Manoeuvre
    Turning left
    Travelling from
    North West
    Travelling to
    North East
    Position at junction
    Entering roundabout
    Skidding and overturning
    Overturned
    Leaving the carriageway
    Nearside
    Hit object off carriageway
    Lamp post
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Male
    Engine capacity
    1,595 cc
    Fuel or propulsion
    Petrol
    Vehicle age
    4 years

Casualties (1)

  • Casualty 1: Passenger

    Serious

    Male, aged 34, car occupant, in vehicle 1 (Mercedes C Class)

    Car passenger
    Front seat passenger
    Serious injury band
    Less serious
    Home area deprivation
    20 to 30% most deprived

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 2017410238662 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 2017.