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CrashStats

Serious A27 crash in Portsmouth on 29 July 2025 at 21:33 involving a Triumph Street Triple motorcycle

A Triumph Street Triple motorcycle and a car were involved in a crash on the A27 in Portsmouth at 21:33 on Tuesday 29 July 2025. The 25-year-old male rider of the Triumph Street Triple motorcycle was seriously injured.

It happened after dark under street lighting in fine weather on a dry single carriageway with a 50 mph limit, away from any junction.

Severity
Serious
Date
29 Jul 2025
Tuesday, 21:33
Vehicles
2
Triumph Street Triple and car
Casualties
1
1 seriously injured

Location of the crash

Police recorded the crash at latitude 50.83773, longitude -1.07162, in the PO6 postcode district. It is one of the crashes that make up the Cosham, Portsmouth, PO6 3FZ area accident hotspot.

Map of where the crash happened in Portsmouth

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  • 1 crash
  • Serious

Collision details

Basic information

Reference
2025440340645
Council area
Portsmouth
Police force
Hampshire
Police attended the scene
Yes

Road and location details

First road class
A
First road number
27
Road type
Single carriageway
Speed limit
50 mph
Urban or rural
Rural
Trunk road
Trunk road (National Highways)

Junction information

Junction type
Not at junction or within 20 metres
Junction control
Give way or uncontrolled
Second road class
A
Second road number
27

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

How severity was recorded
Judged by the reporting police officer
Estimated chance it was serious
95%
Estimated chance it was slight
5%

The 6 nearest recorded crashes

The nearest, 4 metres away, was a slight injury crash on 13 September 2022.

Vehicles involved (2)

  • Vehicle 1: Triumph Street Triple

    Motorcycle over 500cc

    Manoeuvre
    Turning left
    Travelling from
    South
    Travelling to
    North
    Position at junction
    Mid-junction, on roundabout or on main road
    Skidding and overturning
    Skidded
    Hit object off carriageway
    Road sign or traffic signal
    First point of impact
    Front
    Left-hand drive
    No
    Driver sex
    Male
    Driver age
    25 years
    Engine capacity
    765 cc
    Fuel or propulsion
    Petrol

  • Vehicle 2: Car

    Manoeuvre
    Going ahead
    Travelling from
    South
    Travelling to
    East
    Position at junction
    Mid-junction, on roundabout or on main road
    Leaving the carriageway
    Nearside
    First point of impact
    Did not impact
    Left-hand drive
    No

Casualties (1)

  • Casualty 1: Rider

    Serious

    Male, aged 25, motorcyclist (over 500cc), on vehicle 1 (Triumph Street Triple)

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 2025440340645 in the data published on GOV.UK under the Open Government Licence v3.0, and one of the crashes counted in the Portsmouth road accident statistics for 2025.