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CrashStats

A3 accidents: crash map and statistics

Police recorded 36,836 collisions on the A3 from 1979 to 2025, with 47,015 casualties. Of those crashes, 494 were fatal and 6,040 serious, and 524 people were killed.

In 2025 there were 398 collisions on the A3, up 11% from 359 in 2024, with 475 casualties.

Live A3 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
36,836
10th highest of 4,923 roads
Casualties
47,015
1.28 per collision
Fatal collisions
494
524 people killed
Serious collisions
6,040
6,851 seriously injured
Collisions in 2025
398
Up 11% on 2024
Casualties in 2025
475
Up 5% on 2024

Crash severity on the A3

On the A3, 1.3% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal4941.3%
  • Serious6,04016%
  • Slight30,30282%

Where the A3 ranks among 4,923 roads

Most collisions
10th
Most casualties
13th
Most fatal collisions
24th
Most serious collisions
9th

A3 accidents by year

Collisions on the A3 peaked at 1,122 in 1979 and were down to 398 in 2025.

Collisions and casualties on the A3, 1979 to 2025

  • Collisions
  • Collisions in 2025: 398
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025398475
2024359454
2023488609
2022524657
2021501595
2020432516
2019550662
2018531652
2017596756
2016604777
2015641806
2014608776
2013591749
2012679854
2011676856
2010615768
2009597753
2008624802
2007594788
2006700900
2005701947
2004762958
20037701,043
20028751,129
20018911,138
20008551,120
19999191,191
19988241,030
19978981,170
19968541,096
19958671,110
19949331,225
19938911,183
19929091,159
19919131,135
19901,0761,385
19891,0421,328
19881,1111,423
19871,0381,371
19861,0221,278
19851,0541,357
19841,0381,330
19831,0391,268
19821,0831,329
19819811,329
19801,0601,306
19791,1221,472

When crashes happen on the A3

Friday has the most collisions on the A3 (6,127), and 3pm to 6pm is the busiest time of day (7,850).

Collisions by day of the week

  • Monday5,358 (15%)
  • Tuesday5,409 (15%)
  • Wednesday5,567 (15%)
  • Thursday5,726 (16%)
  • Friday6,127 (17%)
  • Saturday4,568 (12%)
  • Sunday4,081 (11%)

Collisions by time of day

  • Midnight to 3am1,597 (4.3%)
  • 3am to 6am941 (2.6%)
  • 6am to 9am5,839 (16%)
  • 9am to noon5,321 (14%)
  • Noon to 3pm5,726 (16%)
  • 3pm to 6pm7,850 (21%)
  • 6pm to 9pm5,964 (16%)
  • 9pm to midnight3,598 (9.8%)

Collisions by month

  • January2,887 (7.8%)
  • February2,620 (7.1%)
  • March3,043 (8.3%)
  • April2,673 (7.3%)
  • May3,084 (8.4%)
  • June3,054 (8.3%)
  • July3,271 (8.9%)
  • August3,045 (8.3%)
  • September3,199 (8.7%)
  • October3,476 (9.4%)
  • November3,428 (9.3%)
  • December3,056 (8.3%)

Light conditions at the time

  • Daylight25,369 (69%)
  • Dark, street lights lit8,784 (24%)
  • Dark, no street lighting1,911 (5.2%)
  • Dark, lighting unknown611 (1.7%)
  • Dark, street lights unlit161 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A3 crashes

On the A3, 58% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 20 mph1,181 (3.2%)
  • 30 mph21,368 (58%)
  • 40 mph3,729 (10%)
  • 50 mph1,797 (4.9%)
  • 60 mph1,601 (4.3%)
  • 70 mph7,148 (19%)
  • Not recorded11 (under 0.1%)

Weather at the time

  • Fine, no high winds28,018 (76%)
  • Raining, no high winds4,721 (13%)
  • Raining with high winds437 (1.2%)
  • Fine with high winds391 (1.1%)
  • Other2,528 (6.9%)
  • Not recorded741 (2%)

Road surface

  • Dry26,937 (73%)
  • Wet or damp9,201 (25%)
  • Frost or ice350 (1%)
  • Snow135 (0.4%)
  • Other85 (0.2%)
  • Not recorded128 (0.3%)

Type of road

  • Single carriageway17,590 (48%)
  • Dual carriageway12,950 (35%)
  • Roundabout3,124 (8.5%)
  • One way street or slip road2,404 (6.5%)
  • Not recorded768 (2.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A3 crashes

Car occupants make up 50% of the people killed or injured on the A3, followed by motorcyclists (18%).

Casualties by road user

  • Car occupant23,526 (50%)
  • Motorcyclist8,540 (18%)
  • Cyclist5,622 (12%)
  • Pedestrian5,097 (11%)
  • Bus or coach occupant1,747 (3.7%)
  • Van occupant1,296 (2.8%)
  • Other1,155 (2.5%)
  • Not recorded32 (0.1%)

Vehicles involved

  • Car44,271 (64%)
  • Motorcycle9,273 (13%)
  • Pedal cycle5,829 (8.4%)
  • Van or goods vehicle up to 3.5 tonnes3,979 (5.7%)
  • Bus or coach2,163 (3.1%)
  • Goods vehicle over 3.5 tonnes2,014 (2.9%)
  • Other1,720 (2.5%)
  • Not recorded5 (under 0.1%)

Casualties by age

  • 0 to 5615 (1.3%)
  • 6 to 10826 (1.8%)
  • 11 to 151,418 (3%)
  • 16 to 205,965 (13%)
  • 21 to 257,410 (16%)
  • 26 to 3511,774 (25%)
  • 36 to 457,103 (15%)
  • 46 to 554,699 (10%)
  • 56 to 652,885 (6.1%)
  • 66 to 751,559 (3.3%)
  • Over 751,001 (2.1%)
  • Not recorded1,760 (3.7%)

Drivers, passengers and pedestrians

  • Driver or rider31,214 (66%)
  • Passenger10,704 (23%)
  • Pedestrian5,097 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A3

Map of the 25 most recent crashes on the A3

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

  • 25 crashes
  • Serious
  • Slight

A3 crashes by council area

Collisions on the A3 were recorded in 15 council areas. Lambeth has the most, with 7,424, followed by Wandsworth (5,610) and Guildford (4,222).

Collisions on the A3 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stLambeth7,4248,423491,119
2ndWandsworth5,6106,69052838
3rdGuildford4,2226,434100623
4thSouthwark4,0664,56232608
5thPortsmouth4,0654,92724734
6thKingston upon Thames3,0924,08649470
7thEast Hampshire2,4083,48663538
8thWaverley1,6462,74044316
9thHavant1,5981,95015325
10thElmbridge1,4762,16240245
11thMerton512658984
12thCity of London434502479
13thChichester1702601245
14thWinchester323408
15thWoking212704

A3 crashes by town

Collisions on the A3 were recorded in 17 towns and built-up areas, led by Lambeth (5,479) and Southwark (3,969).

Recent crashes on the A3

These are the 25 most recent collisions on the A3, from 4 December to 30 December 2025.

Severity