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CrashStats

M275 accidents: crash map and statistics

Police recorded 564 collisions on the M275 from 1979 to 2025, with 836 casualties. Of those crashes, 14 were fatal and 86 serious, and 14 people were killed.

In 2025 there were 4 collisions on the M275, down 20% from 5 in 2024, with 8 casualties.

Live M275 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
564
1,789th highest of 4,923 roads
Casualties
836
1.48 per collision
Fatal collisions
14
14 people killed
Serious collisions
86
103 seriously injured
Collisions in 2025
4
Down 20% on 2024
Casualties in 2025
8
Up 33% on 2024

Crash severity on the M275

On the M275, 2.5% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal142.5%
  • Serious8615%
  • Slight46482%

Where the M275 ranks among 4,923 roads

Most collisions
1,789th
Most casualties
1,661st
Most fatal collisions
1,329th
Most serious collisions
2,157th

M275 accidents by year

Collisions on the M275 peaked at 32 in 2000 and were down to 4 in 2025.

Collisions and casualties on the M275, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202548
202456
20231423
2022812
202125
20201016
20191621
2018611
2017913
20161621
20151214
20141116
2013811
2012711
20111329
201078
200967
20081724
200778
20061117
20052126
20042432
20032441
20022936
20012329
20003243
19992941
19981829
19971331
19961520
19952138
19941118
19931015
1992912
19911120
19901527
1989910
1988814
1987610
1986912
1985712
1984811
19831114
198245
198133
198022
197934

When crashes happen on the M275

Friday has the most collisions on the M275 (93), and 3pm to 6pm is the busiest time of day (135).

Collisions by day of the week

  • Monday75 (13%)
  • Tuesday83 (15%)
  • Wednesday83 (15%)
  • Thursday77 (14%)
  • Friday93 (16%)
  • Saturday86 (15%)
  • Sunday67 (12%)

Collisions by time of day

  • Midnight to 3am25 (4.4%)
  • 3am to 6am10 (1.8%)
  • 6am to 9am85 (15%)
  • 9am to noon80 (14%)
  • Noon to 3pm115 (20%)
  • 3pm to 6pm135 (24%)
  • 6pm to 9pm63 (11%)
  • 9pm to midnight51 (9%)

Collisions by month

  • January49 (8.7%)
  • February34 (6%)
  • March47 (8.3%)
  • April46 (8.2%)
  • May47 (8.3%)
  • June45 (8%)
  • July46 (8.2%)
  • August39 (6.9%)
  • September40 (7.1%)
  • October59 (10%)
  • November59 (10%)
  • December53 (9.4%)

Light conditions at the time

  • Daylight407 (72%)
  • Dark, street lights lit141 (25%)
  • Dark, lighting unknown11 (2%)
  • Dark, no street lighting4 (0.7%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in M275 crashes

On the M275, 68% of collisions happened where the speed limit was 70 mph and 70% on a dry road surface.

Speed limit at the scene

  • 30 mph22 (3.9%)
  • 40 mph39 (6.9%)
  • 50 mph42 (7.4%)
  • 60 mph77 (14%)
  • 70 mph383 (68%)
  • Not recorded1 (0.2%)

Weather at the time

  • Fine, no high winds444 (79%)
  • Raining, no high winds62 (11%)
  • Raining with high winds20 (3.5%)
  • Fine with high winds17 (3%)
  • Other19 (3.4%)
  • Not recorded2 (0.4%)

Road surface

  • Dry394 (70%)
  • Wet or damp164 (29%)
  • Flood over 3cm deep2 (0.4%)
  • Frost or ice2 (0.4%)
  • Oil or diesel1 (0.2%)
  • Snow1 (0.2%)

Type of road

  • Dual carriageway471 (84%)
  • Roundabout46 (8.2%)
  • One way street or slip road28 (5%)
  • Single carriageway19 (3.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in M275 crashes

Car occupants make up 82% of the people killed or injured on the M275, followed by motorcyclists (9.4%).

Casualties by road user

  • Car occupant688 (82%)
  • Motorcyclist79 (9.4%)
  • Van occupant22 (2.6%)
  • Taxi or private hire car occupant12 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)9 (1.1%)
  • Cyclist8 (1%)
  • Minibus occupant8 (1%)
  • Other10 (1.2%)

Vehicles involved

  • Car963 (82%)
  • Motorcycle76 (6.5%)
  • Van or goods vehicle up to 3.5 tonnes58 (5%)
  • Goods vehicle over 3.5 tonnes47 (4%)
  • Pedal cycle8 (0.7%)
  • Taxi or private hire car8 (0.7%)
  • Minibus4 (0.3%)
  • Other4 (0.3%)

Casualties by age

  • 0 to 513 (1.6%)
  • 6 to 1015 (1.8%)
  • 11 to 1523 (2.8%)
  • 16 to 20139 (17%)
  • 21 to 25150 (18%)
  • 26 to 35193 (23%)
  • 36 to 45145 (17%)
  • 46 to 5587 (10%)
  • 56 to 6528 (3.3%)
  • 66 to 7526 (3.1%)
  • Over 7517 (2%)

Drivers, passengers and pedestrians

  • Driver or rider558 (67%)
  • Passenger271 (32%)
  • Pedestrian7 (0.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the M275

Map of the 25 most recent crashes on the M275

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 25 crashes
  • Slight

M275 crashes by council area

Of the 564 collisions on the M275, 561 were in Portsmouth.

Collisions on the M275 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPortsmouth5618331486

M275 crashes by town

Of the 564 collisions on the M275, 183 were in the built-up area of Portsmouth.

Recent crashes on the M275

These are the 25 most recent collisions on the M275, from 30 July 2022 to 1 October 2025.