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CrashStats

M271 accidents: crash map and statistics

Police recorded 619 collisions on the M271 from 1979 to 2025, with 889 casualties. Of those crashes, 8 were fatal and 72 serious, and 10 people were killed.

In 2025 there were 4 collisions on the M271, down 60% from 10 in 2024, with 6 casualties.

Live M271 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
619
1,654th highest of 4,923 roads
Casualties
889
1.44 per collision
Fatal collisions
8
10 people killed
Serious collisions
72
86 seriously injured
Collisions in 2025
4
Down 60% on 2024
Casualties in 2025
6
Down 57% on 2024

Crash severity on the M271

On the M271, 1.3% of collisions were fatal and 12% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal81.3%
  • Serious7212%
  • Slight53987%

Where the M271 ranks among 4,923 roads

Most collisions
1,654th
Most casualties
1,571st
Most fatal collisions
1,937th
Most serious collisions
2,439th

M271 accidents by year

Collisions on the M271 peaked at 37 in 2002 and were down to 4 in 2025.

Collisions and casualties on the M271, 1979 to 2025

  • Collisions
  • Collisions in 2025: 4
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202546
20241014
20231016
202278
202167
202068
2019812
20181012
2017812
20161317
20151524
20141635
20131424
20121419
20111427
20102329
20091925
20081526
20071920
20061923
20052134
20042638
20032944
20023754
20013260
20002231
19991932
19982124
19972026
19961724
19951014
19942033
19931618
199279
199144
199033
19891012
198877
1987810
1986910
198533
198479
19831011
198246
198123
198023
197933

When crashes happen on the M271

Tuesday has the most collisions on the M271 (111), and 3pm to 6pm is the busiest time of day (169).

Collisions by day of the week

  • Monday87 (14%)
  • Tuesday111 (18%)
  • Wednesday100 (16%)
  • Thursday91 (15%)
  • Friday100 (16%)
  • Saturday74 (12%)
  • Sunday56 (9%)

Collisions by time of day

  • Midnight to 3am11 (1.8%)
  • 3am to 6am7 (1.1%)
  • 6am to 9am96 (16%)
  • 9am to noon109 (18%)
  • Noon to 3pm111 (18%)
  • 3pm to 6pm169 (27%)
  • 6pm to 9pm80 (13%)
  • 9pm to midnight36 (5.8%)

Collisions by month

  • January43 (6.9%)
  • February46 (7.4%)
  • March43 (6.9%)
  • April59 (9.5%)
  • May57 (9.2%)
  • June48 (7.8%)
  • July54 (8.7%)
  • August47 (7.6%)
  • September61 (9.9%)
  • October51 (8.2%)
  • November56 (9%)
  • December54 (8.7%)

Light conditions at the time

  • Daylight482 (78%)
  • Dark, no street lighting70 (11%)
  • Dark, street lights lit59 (9.5%)
  • Dark, lighting unknown6 (1%)
  • Dark, street lights unlit2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in M271 crashes

On the M271, 85% of collisions happened where the speed limit was 70 mph and 69% on a dry road surface.

Speed limit at the scene

  • 30 mph12 (1.9%)
  • 40 mph10 (1.6%)
  • 50 mph33 (5.3%)
  • 60 mph39 (6.3%)
  • 70 mph525 (85%)

Weather at the time

  • Fine, no high winds486 (79%)
  • Raining, no high winds90 (15%)
  • Raining with high winds10 (1.6%)
  • Fine with high winds8 (1.3%)
  • Other21 (3.4%)
  • Not recorded4 (0.6%)

Road surface

  • Dry426 (69%)
  • Wet or damp188 (30%)
  • Frost or ice4 (0.6%)
  • Not recorded1 (0.2%)

Type of road

  • Dual carriageway442 (71%)
  • Roundabout140 (23%)
  • One way street or slip road23 (3.7%)
  • Single carriageway12 (1.9%)
  • Not recorded2 (0.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in M271 crashes

Car occupants make up 80% of the people killed or injured on the M271, followed by motorcyclists (8.8%).

Casualties by road user

  • Car occupant711 (80%)
  • Motorcyclist78 (8.8%)
  • Van occupant35 (3.9%)
  • Goods vehicle occupant (over 3.5 tonnes)29 (3.3%)
  • Bus or coach occupant20 (2.2%)
  • Taxi or private hire car occupant8 (0.9%)
  • Cyclist4 (0.4%)
  • Pedestrian4 (0.4%)

Vehicles involved

  • Car1,005 (77%)
  • Goods vehicle over 3.5 tonnes111 (8.5%)
  • Van or goods vehicle up to 3.5 tonnes104 (7.9%)
  • Motorcycle71 (5.4%)
  • Taxi or private hire car7 (0.5%)
  • Pedal cycle5 (0.4%)
  • Bus or coach4 (0.3%)
  • Other vehicle2 (0.2%)

Casualties by age

  • 0 to 514 (1.6%)
  • 6 to 1018 (2%)
  • 11 to 1515 (1.7%)
  • 16 to 2091 (10%)
  • 21 to 25157 (18%)
  • 26 to 35201 (23%)
  • 36 to 45153 (17%)
  • 46 to 55130 (15%)
  • 56 to 6561 (6.9%)
  • 66 to 7527 (3%)
  • Over 7522 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider605 (68%)
  • Passenger280 (31%)
  • Pedestrian4 (0.4%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the M271

Map of the 25 most recent crashes on the M271

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

  • 25 crashes
  • Serious
  • Slight

M271 crashes by council area

Collisions on the M271 were recorded in 3 council areas. Test Valley has the most, with 300, followed by Southampton (297) and New Forest (20).

Collisions on the M271 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stTest Valley300409435
2ndSouthampton297451435
3rdNew Forest202702

M271 crashes by town

Collisions on the M271 were recorded in 2 towns and built-up areas, led by Southampton (171) and Nursling (44).

Recent crashes on the M271

These are the 25 most recent collisions on the M271, from 20 December 2022 to 22 November 2025.

Severity