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CrashStats

A321 accidents: crash map and statistics

Police recorded 3,521 collisions on the A321 from 1979 to 2025, with 4,613 casualties. Of those crashes, 42 were fatal and 590 serious, and 47 people were killed.

In 2025 there were 19 collisions on the A321, up 12% from 17 in 2024, with 24 casualties.

Collisions since 1979
3,521
322nd highest of 4,923 roads
Casualties
4,613
1.31 per collision
Fatal collisions
42
47 people killed
Serious collisions
590
664 seriously injured
Collisions in 2025
19
Up 12% on 2024
Casualties in 2025
24
Up 26% on 2024

Crash severity on the A321

On the A321, 1.2% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal421.2%
  • Serious59017%
  • Slight2,88982%

Where the A321 ranks among 4,923 roads

Most collisions
322nd
Most casualties
330th
Most fatal collisions
503rd
Most serious collisions
346th

A321 accidents by year

Collisions on the A321 peaked at 152 in 1979 and were down to 19 in 2025.

Collisions and casualties on the A321, 1979 to 2025

  • Collisions
  • Collisions in 2025: 19
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251924
20241719
20231819
20221928
20211721
20201717
20191827
20182129
20171320
20162032
20153142
20143344
20133444
20123657
20113141
20104758
20095976
20085369
20076484
20066393
20056798
200487123
20036288
200278107
200189112
200085118
199996130
199886119
199798140
1996107142
1995105134
199499141
199385113
1992106130
199199127
1990113140
1989122142
1988107141
1987110137
1986146177
1985133161
1984134181
1983126159
1982131173
1981134171
1980134177
1979152188

When crashes happen on the A321

Friday has the most collisions on the A321 (609), and 3pm to 6pm is the busiest time of day (739).

Collisions by day of the week

  • Monday500 (14%)
  • Tuesday513 (15%)
  • Wednesday560 (16%)
  • Thursday520 (15%)
  • Friday609 (17%)
  • Saturday469 (13%)
  • Sunday350 (9.9%)

Collisions by time of day

  • Midnight to 3am125 (3.6%)
  • 3am to 6am27 (0.8%)
  • 6am to 9am557 (16%)
  • 9am to noon460 (13%)
  • Noon to 3pm586 (17%)
  • 3pm to 6pm739 (21%)
  • 6pm to 9pm596 (17%)
  • 9pm to midnight431 (12%)

Collisions by month

  • January293 (8.3%)
  • February251 (7.1%)
  • March251 (7.1%)
  • April251 (7.1%)
  • May312 (8.9%)
  • June299 (8.5%)
  • July309 (8.8%)
  • August291 (8.3%)
  • September315 (8.9%)
  • October328 (9.3%)
  • November329 (9.3%)
  • December292 (8.3%)

Light conditions at the time

  • Daylight2,425 (69%)
  • Dark, street lights lit878 (25%)
  • Dark, no street lighting163 (4.6%)
  • Dark, lighting unknown43 (1.2%)
  • Dark, street lights unlit12 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A321 crashes

On the A321, 68% of collisions happened where the speed limit was 30 mph and 66% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.1%)
  • 30 mph2,407 (68%)
  • 40 mph418 (12%)
  • 50 mph53 (1.5%)
  • 60 mph580 (16%)
  • 70 mph59 (1.7%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,757 (78%)
  • Raining, no high winds465 (13%)
  • Fine with high winds41 (1.2%)
  • Raining with high winds39 (1.1%)
  • Other147 (4.2%)
  • Not recorded72 (2%)

Road surface

  • Dry2,311 (66%)
  • Wet or damp1,125 (32%)
  • Frost or ice58 (1.6%)
  • Snow13 (0.4%)
  • Flood over 3cm deep2 (0.1%)
  • Not recorded12 (0.3%)

Type of road

  • Single carriageway2,843 (81%)
  • Roundabout365 (10%)
  • Dual carriageway231 (6.6%)
  • One way street or slip road65 (1.8%)
  • Not recorded17 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A321 crashes

Car occupants make up 57% of the people killed or injured on the A321, followed by motorcyclists (18%).

Casualties by road user

  • Car occupant2,647 (57%)
  • Motorcyclist809 (18%)
  • Cyclist516 (11%)
  • Pedestrian506 (11%)
  • Van occupant45 (1%)
  • Bus or coach occupant33 (0.7%)
  • Goods vehicle occupant (over 3.5 tonnes)21 (0.5%)
  • Other36 (0.8%)

Vehicles involved

  • Car4,968 (73%)
  • Motorcycle816 (12%)
  • Pedal cycle533 (7.9%)
  • Van or goods vehicle up to 3.5 tonnes200 (3%)
  • Goods vehicle over 3.5 tonnes115 (1.7%)
  • Bus or coach42 (0.6%)
  • Other74 (1.1%)
  • Not recorded14 (0.2%)

Casualties by age

  • 0 to 564 (1.4%)
  • 6 to 10109 (2.4%)
  • 11 to 15305 (6.6%)
  • 16 to 201,138 (25%)
  • 21 to 25633 (14%)
  • 26 to 35747 (16%)
  • 36 to 45549 (12%)
  • 46 to 55408 (8.8%)
  • 56 to 65268 (5.8%)
  • 66 to 75148 (3.2%)
  • Over 75142 (3.1%)
  • Not recorded102 (2.2%)

Drivers, passengers and pedestrians

  • Driver or rider3,189 (69%)
  • Passenger918 (20%)
  • Pedestrian506 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A321

Map of the 25 most recent crashes on the A321

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

  • 25 crashes
  • Serious
  • Slight

A321 crashes by council area

Collisions on the A321 were recorded in 6 council areas. Wokingham has the most, with 1,468, followed by Surrey Heath (855) and Bracknell Forest (738).

Collisions on the A321 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stWokingham1,4681,97522266
2ndSurrey Heath8551,0827132
3rdBracknell Forest7389478116
4thGuildford440580574
5thWaverley81201
6thReading3300

A321 crashes by town

Collisions on the A321 were recorded in 12 towns and built-up areas, led by Ash and Ash Vale (640) and Wokingham (625).

Recent crashes on the A321

These are the 25 most recent collisions on the A321, from 25 October 2024 to 15 December 2025.

Severity