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CrashStats

A300 accidents: crash map and statistics

Police recorded 933 collisions on the A300 from 1979 to 2025, with 1,083 casualties. Of those crashes, 8 were fatal and 130 serious, and 9 people were killed.

In 2025 there were 19 collisions on the A300, up 12% from 17 in 2024, with 23 casualties.

Collisions since 1979
933
1,164th highest of 4,923 roads
Casualties
1,083
1.16 per collision
Fatal collisions
8
9 people killed
Serious collisions
130
137 seriously injured
Collisions in 2025
19
Up 12% on 2024
Casualties in 2025
23
Up 35% on 2024

Crash severity on the A300

On the A300, 0.9% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal80.9%
  • Serious13014%
  • Slight79585%

Where the A300 ranks among 4,923 roads

Most collisions
1,164th
Most casualties
1,342nd
Most fatal collisions
1,937th
Most serious collisions
1,551st

A300 accidents by year

Collisions on the A300 peaked at 46 in 1983 and were down to 19 in 2025.

Collisions and casualties on the A300, 1979 to 2025

  • Collisions
  • Collisions in 2025: 19
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251923
20241717
20231617
20221011
202178
20201313
20191921
20181923
20171214
20161517
20151717
20141519
20131012
20121214
20111011
20101212
200966
20081316
200767
20061416
20051113
20041112
20031214
20022123
20011821
20001418
19992325
19981820
19972427
19961922
19951011
19943340
19932731
19922946
19912528
19903235
19893941
19882325
19872428
19862629
19852834
19843640
19834652
19822835
19812733
19803648
19793138

When crashes happen on the A300

Friday has the most collisions on the A300 (179), and 9am to noon is the busiest time of day (182).

Collisions by day of the week

  • Monday138 (15%)
  • Tuesday160 (17%)
  • Wednesday137 (15%)
  • Thursday166 (18%)
  • Friday179 (19%)
  • Saturday76 (8.1%)
  • Sunday77 (8.3%)

Collisions by time of day

  • Midnight to 3am33 (3.5%)
  • 3am to 6am23 (2.5%)
  • 6am to 9am163 (17%)
  • 9am to noon182 (20%)
  • Noon to 3pm146 (16%)
  • 3pm to 6pm168 (18%)
  • 6pm to 9pm141 (15%)
  • 9pm to midnight77 (8.3%)

Collisions by month

  • January72 (7.7%)
  • February69 (7.4%)
  • March71 (7.6%)
  • April64 (6.9%)
  • May80 (8.6%)
  • June85 (9.1%)
  • July78 (8.4%)
  • August80 (8.6%)
  • September92 (9.9%)
  • October85 (9.1%)
  • November80 (8.6%)
  • December77 (8.3%)

Light conditions at the time

  • Daylight692 (74%)
  • Dark, street lights lit233 (25%)
  • Dark, street lights unlit6 (0.6%)
  • Dark, lighting unknown2 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A300 crashes

On the A300, 88% of collisions happened where the speed limit was 30 mph and 79% on a dry road surface.

Speed limit at the scene

  • 10 mph1 (0.1%)
  • 20 mph103 (11%)
  • 30 mph824 (88%)
  • 70 mph1 (0.1%)
  • Not recorded4 (0.4%)

Weather at the time

  • Fine, no high winds736 (79%)
  • Raining, no high winds110 (12%)
  • Raining with high winds5 (0.5%)
  • Fine with high winds3 (0.3%)
  • Other72 (7.7%)
  • Not recorded7 (0.8%)

Road surface

  • Dry741 (79%)
  • Wet or damp185 (20%)
  • Snow3 (0.3%)
  • Frost or ice2 (0.2%)
  • Not recorded2 (0.2%)

Type of road

  • Single carriageway713 (76%)
  • Dual carriageway99 (11%)
  • One way street or slip road64 (6.9%)
  • Roundabout1 (0.1%)
  • Not recorded56 (6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A300 crashes

Car occupants make up 28% of the people killed or injured on the A300, followed by motorcyclists (24%).

Casualties by road user

  • Car occupant303 (28%)
  • Motorcyclist259 (24%)
  • Cyclist247 (23%)
  • Pedestrian160 (15%)
  • Bus or coach occupant40 (3.7%)
  • Taxi or private hire car occupant33 (3%)
  • Van occupant17 (1.6%)
  • Other24 (2.2%)

Vehicles involved

  • Car772 (45%)
  • Motorcycle287 (17%)
  • Pedal cycle255 (15%)
  • Van or goods vehicle up to 3.5 tonnes137 (8%)
  • Taxi or private hire car95 (5.6%)
  • Goods vehicle over 3.5 tonnes71 (4.2%)
  • Bus or coach63 (3.7%)
  • Other22 (1.3%)

Casualties by age

  • 0 to 59 (0.8%)
  • 6 to 106 (0.6%)
  • 11 to 1520 (1.8%)
  • 16 to 20107 (9.9%)
  • 21 to 25172 (16%)
  • 26 to 35341 (31%)
  • 36 to 45170 (16%)
  • 46 to 55119 (11%)
  • 56 to 6562 (5.7%)
  • 66 to 7521 (1.9%)
  • Over 756 (0.6%)
  • Not recorded50 (4.6%)

Drivers, passengers and pedestrians

  • Driver or rider742 (69%)
  • Passenger181 (17%)
  • Pedestrian160 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A300

Map of the 25 most recent crashes on the A300

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A300 crashes by council area

Collisions on the A300 were recorded in 3 council areas. Southwark has the most, with 756, followed by City of London (164) and Hounslow (3).

Collisions on the A300 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stSouthwark7568826109
2ndCity of London164184220
3rdHounslow3400

A300 crashes by town

Collisions on the A300 were recorded in 4 towns and built-up areas, led by Southwark (688) and City and County of the City of London (121).

Recent crashes on the A300

These are the 25 most recent collisions on the A300, from 6 October 2024 to 1 December 2025.

Severity