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CrashStats

Serious A4 crash in Windsor and Maidenhead on 31 July 2025 at 13:20 involving a bicycle

A bicycle and a car were involved in a crash on the A4 in Windsor and Maidenhead at 13:20 on Thursday 31 July 2025. The 78-year-old female cyclist was seriously injured.

It happened in daylight in fine weather on a dry roundabout with a 30 mph limit, at a junction.

Severity
Serious
Date
31 Jul 2025
Thursday, 13:20
Vehicles
2
Bicycle and car
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 51.52279, longitude -0.72417, in the SL6 postcode district and within the built-up area of Maidenhead. It is one of the crashes that make up the St Mary's, Windsor and Maidenhead, SL6 1LD area accident hotspot.

Map of where the crash happened in Windsor and Maidenhead

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025430397708
Council area
Windsor and Maidenhead
Police force
Thames Valley
Police attended the scene
No, reported using a self completion form

Road and location details

First road class
A
First road number
4
Road type
Roundabout
Speed limit
30 mph
Urban or rural
Urban
Trunk road
Non-trunk road

Junction information

Junction type
Other junction
Junction control
Give way or uncontrolled
Second road class
A
Second road number
308

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
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, 3 metres away, was a slight injury crash on 27 April 2005.

Vehicles involved (2)

  • Vehicle 1: Bicycle

    Pedal cycle

    Manoeuvre
    Going ahead
    Travelling from
    North West
    Travelling to
    South East
    Position at junction
    Mid-junction, on roundabout or on main road
    First point of impact
    Nearside
    Journey purpose
    Personal business or leisure
    Driver sex
    Female
    Driver age
    78 years
    Driver home area deprivation
    10% least deprived
    Distance from driver's home
    Within 5 km

  • Vehicle 2: Car

    Manoeuvre
    Going ahead
    Travelling from
    North East
    Travelling to
    South West
    Position at junction
    Entering roundabout
    First point of impact
    Front

Casualties (1)

  • Casualty 1: Cyclist

    Serious

    Female, aged 78, on vehicle 1 (Bicycle)

    Serious injury band
    Less serious
    Home area deprivation
    10% least deprived
    Distance from home
    Within 5 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 2025430397708 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Windsor and Maidenhead road accident statistics for 2025.