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CrashStats

Southampton road accidents in 2021: crash map and statistics

Police recorded 436 road traffic collisions in Southampton in 2021, and 503 people were killed or injured in them. Of those collisions, 3 were fatal and 96 were serious.

Collisions were up 17% on 2020 (372), and casualties rose from 431.

Across all years from 1979 to 2025, police recorded 36,384 collisions in Southampton.

Collisions in 2021
436
Up 17% on 2020
Casualties in 2021
503
Up 17% on 2020
Fatal collisions
3
0.7% of collisions
Serious collisions
96
22% of collisions

Crash severity in Southampton in 2021

0.7% of collisions in Southampton in 2021 were fatal and 22% serious, against 0.9% and 19% in Southampton from 1979 to 2025.

Collisions by worst injury

  • Fatal30.7%
  • Serious9622%
  • Slight33777%

People hurt, by injury

  • Fatal30.6%
  • Serious9719%
  • Slight40380%

Southampton road accidents by year

Collisions and casualties in Southampton, 1979 to 2025

Collisions peaked at 1,077 in 1984. 2021 is highlighted, with 436, up 17% on 2020.

  • Collisions
  • Collisions in 2021: 436
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025488565
2024465570
2023428495
2022485555
2021436503
2020372431
2019506588
2018533621
2017524623
2016532650
2015594683
2014636812
2013610709
2012632777
2011671817
2010650784
2009628756
2008622754
2007704847
2006701829
2005731867
20048261,032
20038381,032
20028281,025
20018861,107
20008701,089
19998771,078
19989301,135
19979161,140
19969691,212
19959541,187
19949021,106
19938971,117
19928811,078
19918871,063
19909801,186
19891,0341,262
19889811,178
19879791,211
19869121,089
19859531,140
19841,0771,298
19831,0451,256
19821,0361,260
19811,0401,274
19809581,167
19799801,250

When and where crashes happen in Southampton in 2021

Collisions by day of the week

  • Monday48 (11%)
  • Tuesday67 (15%)
  • Wednesday68 (16%)
  • Thursday65 (15%)
  • Friday90 (21%)
  • Saturday46 (11%)
  • Sunday52 (12%)

Collisions by time of day

  • 00:00 to 02:5916 (3.7%)
  • 03:00 to 05:598 (1.8%)
  • 06:00 to 08:5954 (12%)
  • 09:00 to 11:5941 (9.4%)
  • 12:00 to 14:5989 (20%)
  • 15:00 to 17:59110 (25%)
  • 18:00 to 20:5978 (18%)
  • 21:00 to 23:5940 (9.2%)

Collisions by month

  • January24 (5.5%)
  • February28 (6.4%)
  • March22 (5%)
  • April40 (9.2%)
  • May39 (8.9%)
  • June42 (9.6%)
  • July45 (10%)
  • August27 (6.2%)
  • September40 (9.2%)
  • October48 (11%)
  • November41 (9.4%)
  • December40 (9.2%)

Light conditions

  • Daylight294 (67%)
  • Dark, street lights lit114 (26%)
  • Dark, lighting unknown23 (5.3%)
  • Dark, street lights unlit4 (0.9%)
  • Dark, no street lighting1 (0.2%)

Weather at the time

  • Fine, no high winds397 (91%)
  • Raining, no high winds37 (8.5%)
  • Raining with high winds1 (0.2%)
  • Other1 (0.2%)

Road surface

  • Dry358 (82%)
  • Wet or damp74 (17%)
  • Frost or ice3 (0.7%)
  • Flood over 3cm deep1 (0.2%)

Speed limit at the scene

  • 20 mph12 (2.8%)
  • 30 mph383 (88%)
  • 40 mph37 (8.5%)
  • 50 mph3 (0.7%)
  • 70 mph1 (0.2%)

Type of road

  • Single carriageway364 (83%)
  • Dual carriageway62 (14%)
  • Roundabout6 (1.4%)
  • One way street or slip road4 (0.9%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Southampton in 2021

Casualties by road user

  • Car occupant212 (42%)
  • Pedestrian97 (19%)
  • Cyclist77 (15%)
  • Motorcyclist76 (15%)
  • Van occupant13 (2.6%)
  • Taxi or private hire car occupant4 (0.8%)
  • Bus or coach occupant3 (0.6%)
  • Other vehicle occupant2 (0.4%)
  • E-scooter or powered transporter user1 (0.2%)
  • Not recorded18 (3.6%)

Casualties by age

  • 0 to 58 (1.6%)
  • 6 to 1014 (2.8%)
  • 11 to 1530 (6%)
  • 16 to 2066 (13%)
  • 21 to 2556 (11%)
  • 26 to 35130 (26%)
  • 36 to 4574 (15%)
  • 46 to 5558 (12%)
  • 56 to 6547 (9.3%)
  • 66 to 7511 (2.2%)
  • Over 759 (1.8%)

Drivers, passengers and pedestrians

  • Driver or rider346 (69%)
  • Pedestrian97 (19%)
  • Passenger60 (12%)

Vehicles involved

  • Car520 (67%)
  • Motorcycle84 (11%)
  • Pedal cycle79 (10%)
  • Van or goods vehicle up to 3.5 tonnes49 (6.3%)
  • Personal powered transporter (e-scooter or similar)19 (2.4%)
  • Taxi or private hire car12 (1.5%)
  • Bus or coach11 (1.4%)
  • Other vehicle4 (0.5%)
  • Goods vehicle over 3.5 tonnes2 (0.3%)

Source: Department for Transport, STATS19 road safety data

Crash map for Southampton in 2021

Map of the last 24 crashes of 2021 and the 10 busiest accident hotspots in Southampton

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Southampton ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Southampton had the 62nd most road collisions in 2021.

Collisions
62nd
highest of 350 areas
Casualties
69th
highest of 350 areas
Fatal collisions
162nd
highest of 350 areas
Serious collisions
49th
highest of 350 areas

Accident hotspots in Southampton in 2021

Bargate, Southampton, SO14 7DW area was the busiest accident hotspot in Southampton in 2021, with 61 collisions, 14 of them serious.

Roads in Southampton with the most crashes in 2021

The A33 had the most collisions in Southampton in 2021: 39, including 9 serious.

Roads ranked by collisions in Southampton, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA33394709
2ndA3024323407
3rdA35283204
4thA3057182203
5thA335141905
6thA3025111202
7thA277802
8thB30336700
9thA30355600
10thA3345600
11thM2713401

Towns in Southampton: crashes in 2021

Southampton itself had the most collisions of any town in the area in 2021: 427.

Postcode districts in Southampton: crashes in 2021

SO15 had the most collisions of any postcode district in Southampton in 2021: 108.

Latest crashes in Southampton in 2021

Of the last 24 crashes in Southampton in 2021, none were fatal and 6 were serious. The last was on 31 December 2021.

Severity

Southampton road accidents in other years