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CrashStats

A304 accidents: crash map and statistics

Police recorded 2,276 collisions on the A304 from 1979 to 2025, with 2,502 casualties. Of those crashes, 13 were fatal and 335 serious, and 13 people were killed.

In 2025 there were 29 collisions on the A304, down 12% from 33 in 2024, with 31 casualties.

Collisions since 1979
2,276
513th highest of 4,923 roads
Casualties
2,502
1.10 per collision
Fatal collisions
13
13 people killed
Serious collisions
335
350 seriously injured
Collisions in 2025
29
Down 12% on 2024
Casualties in 2025
31
Down 11% on 2024

Crash severity on the A304

On the A304, 0.6% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal130.6%
  • Serious33515%
  • Slight1,92885%

Where the A304 ranks among 4,923 roads

Most collisions
513th
Most casualties
622nd
Most fatal collisions
1,413th
Most serious collisions
643rd

A304 accidents by year

Collisions on the A304 peaked at 78 in 1979 and were down to 29 in 2025.

Collisions and casualties on the A304, 1979 to 2025

  • Collisions
  • Collisions in 2025: 29
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252931
20243335
20233538
20222834
20212829
20202728
20193636
20183034
20173334
20163943
20154346
20143639
20132627
20124344
20114247
20103036
20094352
20083845
20074448
20064552
20053438
20044953
20034143
20025054
20014757
20005053
19995967
19987175
19975156
19966675
19956673
19945659
19937077
19925356
19913944
19907077
19896064
19885054
19875255
19866572
19854553
19846774
19837581
19826273
19816571
19807786
19797884

When crashes happen on the A304

Friday has the most collisions on the A304 (411), and 3pm to 6pm is the busiest time of day (479).

Collisions by day of the week

  • Monday294 (13%)
  • Tuesday342 (15%)
  • Wednesday355 (16%)
  • Thursday370 (16%)
  • Friday411 (18%)
  • Saturday297 (13%)
  • Sunday207 (9.1%)

Collisions by time of day

  • Midnight to 3am130 (5.7%)
  • 3am to 6am37 (1.6%)
  • 6am to 9am257 (11%)
  • 9am to noon327 (14%)
  • Noon to 3pm408 (18%)
  • 3pm to 6pm479 (21%)
  • 6pm to 9pm366 (16%)
  • 9pm to midnight272 (12%)

Collisions by month

  • January173 (7.6%)
  • February175 (7.7%)
  • March183 (8%)
  • April176 (7.7%)
  • May187 (8.2%)
  • June182 (8%)
  • July179 (7.9%)
  • August182 (8%)
  • September215 (9.4%)
  • October224 (9.8%)
  • November202 (8.9%)
  • December198 (8.7%)

Light conditions at the time

  • Daylight1,534 (67%)
  • Dark, street lights lit709 (31%)
  • Dark, lighting unknown24 (1.1%)
  • Dark, no street lighting5 (0.2%)
  • Dark, street lights unlit4 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A304 crashes

On the A304, 92% of collisions happened where the speed limit was 30 mph and 79% on a dry road surface.

Speed limit at the scene

  • 20 mph162 (7.1%)
  • 30 mph2,103 (92%)
  • 40 mph4 (0.2%)
  • 50 mph5 (0.2%)
  • 60 mph1 (under 0.1%)
  • 70 mph1 (under 0.1%)

Weather at the time

  • Fine, no high winds1,723 (76%)
  • Raining, no high winds259 (11%)
  • Raining with high winds17 (0.7%)
  • Fine with high winds12 (0.5%)
  • Other225 (9.9%)
  • Not recorded40 (1.8%)

Road surface

  • Dry1,796 (79%)
  • Wet or damp444 (20%)
  • Frost or ice9 (0.4%)
  • Snow7 (0.3%)
  • Not recorded20 (0.9%)

Type of road

  • Single carriageway1,890 (83%)
  • Dual carriageway137 (6%)
  • One way street or slip road43 (1.9%)
  • Roundabout41 (1.8%)
  • Not recorded165 (7.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A304 crashes

Pedestrians make up 29% of the people killed or injured on the A304, followed by motorcyclists (27%).

Casualties by road user

  • Pedestrian725 (29%)
  • Motorcyclist675 (27%)
  • Cyclist443 (18%)
  • Car occupant419 (17%)
  • Bus or coach occupant168 (6.7%)
  • Taxi or private hire car occupant41 (1.6%)
  • Other27 (1.1%)
  • Not recorded4 (0.2%)

Vehicles involved

  • Car1,808 (49%)
  • Motorcycle801 (22%)
  • Pedal cycle467 (13%)
  • Bus or coach218 (5.9%)
  • Van or goods vehicle up to 3.5 tonnes199 (5.3%)
  • Taxi or private hire car136 (3.7%)
  • Goods vehicle over 3.5 tonnes61 (1.6%)
  • Other34 (0.9%)

Casualties by age

  • 0 to 533 (1.3%)
  • 6 to 1051 (2%)
  • 11 to 1579 (3.2%)
  • 16 to 20232 (9.3%)
  • 21 to 25457 (18%)
  • 26 to 35666 (27%)
  • 36 to 45326 (13%)
  • 46 to 55210 (8.4%)
  • 56 to 65120 (4.8%)
  • 66 to 7594 (3.8%)
  • Over 7574 (3%)
  • Not recorded160 (6.4%)

Drivers, passengers and pedestrians

  • Driver or rider1,422 (57%)
  • Pedestrian725 (29%)
  • Passenger355 (14%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A304

Map of the 25 most recent crashes on the A304

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

  • 25 crashes
  • Serious
  • Slight

A304 crashes by council area

Collisions on the A304 were recorded in 4 council areas. Hammersmith and Fulham has the most, with 1,878, followed by Kensington and Chelsea (384) and Haringey (6).

Collisions on the A304 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHammersmith and Fulham1,8782,06610279
2ndKensington and Chelsea384422253
3rdHaringey6601
4thBasingstoke and Deane3310

A304 crashes by town

Collisions on the A304 were recorded in 3 towns and built-up areas, led by Hammersmith and Fulham (1,730) and Kensington and Chelsea (310).

Recent crashes on the A304

These are the 25 most recent collisions on the A304, from 7 February to 11 November 2025.

Severity