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CrashStats

A333 accidents: crash map and statistics

Police recorded 656 collisions on the A333 from 1979 to 2025, with 936 casualties. Of those crashes, 28 were fatal and 184 serious, and 32 people were killed.

In 2025 there was 1 collision on the A333, level with 2024, with 1 casualty.

Live A333 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
656
1,581st highest of 4,923 roads
Casualties
936
1.43 per collision
Fatal collisions
28
32 people killed
Serious collisions
184
233 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Down 50% on 2024

Crash severity on the A333

On the A333, 4.3% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal284.3%
  • Serious18428%
  • Slight44468%

Where the A333 ranks among 4,923 roads

Most collisions
1,581st
Most casualties
1,511th
Most fatal collisions
715th
Most serious collisions
1,142nd

A333 accidents by year

Collisions on the A333 peaked at 91 in 1982 and were down to 1 in 2025.

Collisions and casualties on the A333, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202412
202311
202211
202100
202000
201900
201824
201711
201600
201523
201433
201335
201212
201100
201000
200900
200800
200700
200600
200500
200400
200300
200200
200100
200035
199900
199813
199724
199633
1995811
19941319
19931319
19921215
19911313
199099
19891821
19881822
19871216
19861718
19851219
19846686
19837192
198291146
198190143
198090131
197978118

When crashes happen on the A333

Friday has the most collisions on the A333 (108), and 3pm to 6pm is the busiest time of day (177).

Collisions by day of the week

  • Monday95 (14%)
  • Tuesday81 (12%)
  • Wednesday92 (14%)
  • Thursday102 (16%)
  • Friday108 (16%)
  • Saturday90 (14%)
  • Sunday88 (13%)

Collisions by time of day

  • Midnight to 3am23 (3.5%)
  • 3am to 6am10 (1.5%)
  • 6am to 9am88 (13%)
  • 9am to noon97 (15%)
  • Noon to 3pm111 (17%)
  • 3pm to 6pm177 (27%)
  • 6pm to 9pm75 (11%)
  • 9pm to midnight75 (11%)

Collisions by month

  • January38 (5.8%)
  • February45 (6.9%)
  • March56 (8.5%)
  • April48 (7.3%)
  • May49 (7.5%)
  • June47 (7.2%)
  • July65 (9.9%)
  • August56 (8.5%)
  • September61 (9.3%)
  • October57 (8.7%)
  • November68 (10%)
  • December66 (10%)

Light conditions at the time

  • Daylight459 (70%)
  • Dark, no street lighting96 (15%)
  • Dark, street lights lit89 (14%)
  • Dark, lighting unknown6 (0.9%)
  • Dark, street lights unlit6 (0.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A333 crashes

On the A333, 42% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 30 mph278 (42%)
  • 40 mph109 (17%)
  • 50 mph3 (0.5%)
  • 60 mph197 (30%)
  • 70 mph69 (11%)

Weather at the time

  • Fine, no high winds504 (77%)
  • Raining, no high winds96 (15%)
  • Raining with high winds21 (3.2%)
  • Fog or mist10 (1.5%)
  • Other24 (3.7%)
  • Not recorded1 (0.2%)

Road surface

  • Dry420 (64%)
  • Wet or damp226 (34%)
  • Frost or ice8 (1.2%)
  • Flood over 3cm deep1 (0.2%)
  • Snow1 (0.2%)

Type of road

  • Single carriageway617 (94%)
  • Roundabout20 (3%)
  • Dual carriageway9 (1.4%)
  • One way street or slip road7 (1.1%)
  • Not recorded3 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A333 crashes

Car occupants make up 51% of the people killed or injured on the A333, followed by motorcyclists (22%).

Casualties by road user

  • Car occupant474 (51%)
  • Motorcyclist207 (22%)
  • Pedestrian101 (11%)
  • Cyclist54 (5.8%)
  • Bus or coach occupant31 (3.3%)
  • Van occupant25 (2.7%)
  • Minibus occupant21 (2.2%)
  • Other23 (2.5%)

Vehicles involved

  • Car777 (63%)
  • Motorcycle209 (17%)
  • Goods vehicle over 3.5 tonnes87 (7.1%)
  • Pedal cycle55 (4.5%)
  • Van or goods vehicle up to 3.5 tonnes52 (4.2%)
  • Bus or coach27 (2.2%)
  • Other vehicle11 (0.9%)
  • Other15 (1.2%)

Casualties by age

  • 0 to 516 (1.7%)
  • 6 to 1019 (2%)
  • 11 to 1562 (6.6%)
  • 16 to 20252 (27%)
  • 21 to 25120 (13%)
  • 26 to 35150 (16%)
  • 36 to 4591 (9.7%)
  • 46 to 5586 (9.2%)
  • 56 to 6562 (6.6%)
  • 66 to 7541 (4.4%)
  • Over 7537 (4%)

Drivers, passengers and pedestrians

  • Driver or rider560 (60%)
  • Passenger275 (29%)
  • Pedestrian101 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A333

Map of the 25 most recent crashes on the A333

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A333 crashes by council area

Collisions on the A333 were recorded in 5 council areas. Winchester has the most, with 559, followed by Portsmouth (66) and Waverley (16).

Collisions on the A333 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWinchester55979622158
2ndPortsmouth6696520
3rdWaverley162302
4thEastleigh3301
5thSouthampton3500

A333 crashes by town

Collisions on the A333 were recorded in 10 towns and built-up areas, led by Winchester (175) and Bishop's Waltham (38).

Recent crashes on the A333

These are the 25 most recent collisions on the A333, from 9 July 1996 to 16 March 2025.

Severity