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CrashStats

M48 crash in Monmouthshire on 25 September 2025 at 15:30 involving a Triumph Bonneville motorcycle

A Triumph Bonneville motorcycle and a Ford Transit Custom van were involved in a crash on the M48 in Monmouthshire at 15:30 on Thursday 25 September 2025. The 61-year-old male rider of the Triumph Bonneville motorcycle was slightly injured.

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

Severity
Slight
Date
25 Sep 2025
Thursday, 15:30
Vehicles
2
Triumph Bonneville and Ford Transit Custom
Casualties
1
1 slightly injured

Location of the crash

Police recorded the crash at latitude 51.62022, longitude -2.67216, in the NP16 postcode district. It is one of the crashes that make up the Bulwark and Thornwell, Monmouthshire, NP16 5RT area accident hotspot.

Map of where the crash happened in Monmouthshire

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  • 1 crash
  • Slight

Collision details

Basic information

Reference
2025610040825
Council area
Monmouthshire
Police force
Gwent
Police attended the scene
Yes

Road and location details

First road class
Motorway
First road number
48
Road type
Roundabout
Speed limit
40 mph
Urban or rural
Rural

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
466

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
Judged by the reporting police officer
Estimated chance it was serious
10%
Estimated chance it was slight
90%

The 6 nearest recorded crashes

The nearest, 2 metres away, was a slight injury crash on 17 May 2010.

Vehicles involved (2)

  • Vehicle 1: Triumph Bonneville

    Motorcycle over 500cc

    Manoeuvre
    Waiting to go ahead
    Travelling from
    North East
    Travelling to
    South West
    Position at junction
    Entering roundabout
    First point of impact
    Back
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    61 years
    Engine capacity
    1,200 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: Ford Transit Custom

    Van or goods vehicle up to 3.5 tonnes

    Manoeuvre
    Waiting to go ahead
    Travelling from
    North East
    Travelling to
    South West
    Position at junction
    Approaching junction or waiting or parked at junction approach
    First point of impact
    Front
    Left-hand drive
    No
    Journey purpose
    Journey as part of work
    Driver sex
    Male
    Driver age
    36 years
    Engine capacity
    1,996 cc
    Fuel or propulsion
    Diesel
    Driver home area deprivation
    30 to 40% most deprived
    Distance from driver's home
    20 to 100 km

Casualties (1)

  • Casualty 1: Rider

    Slight

    Male, aged 61, motorcyclist (over 500cc), on vehicle 1 (Triumph Bonneville)

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 2025610040825 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Monmouthshire road accident statistics for 2025.