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CrashStats

A309 accidents: crash map and statistics

Police recorded 1,840 collisions on the A309 from 1979 to 2025, with 2,256 casualties. Of those crashes, 25 were fatal and 326 serious, and 25 people were killed.

In 2025 there were 17 collisions on the A309, down 32% from 25 in 2024, with 19 casualties.

Collisions since 1979
1,840
625th highest of 4,923 roads
Casualties
2,256
1.23 per collision
Fatal collisions
25
25 people killed
Serious collisions
326
360 seriously injured
Collisions in 2025
17
Down 32% on 2024
Casualties in 2025
19
Down 32% on 2024

Crash severity on the A309

On the A309, 1.4% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal251.4%
  • Serious32618%
  • Slight1,48981%

Where the A309 ranks among 4,923 roads

Most collisions
625th
Most casualties
676th
Most fatal collisions
800th
Most serious collisions
655th

A309 accidents by year

Collisions on the A309 peaked at 88 in 1979 and were down to 17 in 2025.

Collisions and casualties on the A309, 1979 to 2025

  • Collisions
  • Collisions in 2025: 17
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251719
20242528
20232125
20222531
20212527
20202833
20192433
20181926
20172230
20162531
20152223
20143242
20133641
20123138
20112536
20101315
20091821
20083143
20073341
20062430
20052935
20042736
20033847
20023844
20012738
20002632
19993944
19984251
19973035
19963642
19954452
19945666
19934252
19925971
19914452
19906374
19895363
19885166
19876181
19865171
19856678
19845661
19836582
19827484
19816577
198074101
197988108

When crashes happen on the A309

Friday has the most collisions on the A309 (305), and 3pm to 6pm is the busiest time of day (378).

Collisions by day of the week

  • Monday282 (15%)
  • Tuesday264 (14%)
  • Wednesday291 (16%)
  • Thursday289 (16%)
  • Friday305 (17%)
  • Saturday225 (12%)
  • Sunday184 (10%)

Collisions by time of day

  • Midnight to 3am67 (3.6%)
  • 3am to 6am28 (1.5%)
  • 6am to 9am284 (15%)
  • 9am to noon304 (17%)
  • Noon to 3pm290 (16%)
  • 3pm to 6pm378 (21%)
  • 6pm to 9pm293 (16%)
  • 9pm to midnight196 (11%)

Collisions by month

  • January126 (6.8%)
  • February134 (7.3%)
  • March160 (8.7%)
  • April126 (6.8%)
  • May148 (8%)
  • June139 (7.6%)
  • July171 (9.3%)
  • August141 (7.7%)
  • September165 (9%)
  • October181 (9.8%)
  • November198 (11%)
  • December151 (8.2%)

Light conditions at the time

  • Daylight1,268 (69%)
  • Dark, street lights lit535 (29%)
  • Dark, lighting unknown22 (1.2%)
  • Dark, street lights unlit13 (0.7%)
  • Dark, no street lighting2 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A309 crashes

On the A309, 57% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 20 mph28 (1.5%)
  • 30 mph1,050 (57%)
  • 40 mph612 (33%)
  • 50 mph45 (2.4%)
  • 60 mph53 (2.9%)
  • 70 mph52 (2.8%)

Weather at the time

  • Fine, no high winds1,290 (70%)
  • Raining, no high winds237 (13%)
  • Raining with high winds20 (1.1%)
  • Fine with high winds14 (0.8%)
  • Other239 (13%)
  • Not recorded40 (2.2%)

Road surface

  • Dry1,342 (73%)
  • Wet or damp474 (26%)
  • Frost or ice12 (0.7%)
  • Snow8 (0.4%)
  • Other2 (0.1%)
  • Not recorded2 (0.1%)

Type of road

  • Single carriageway1,058 (57%)
  • Dual carriageway397 (22%)
  • Roundabout242 (13%)
  • One way street or slip road29 (1.6%)
  • Not recorded114 (6.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A309 crashes

Car occupants make up 48% of the people killed or injured on the A309, followed by motorcyclists (19%).

Casualties by road user

  • Car occupant1,089 (48%)
  • Motorcyclist439 (19%)
  • Cyclist388 (17%)
  • Pedestrian241 (11%)
  • Van occupant45 (2%)
  • Bus or coach occupant24 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (0.5%)
  • Other18 (0.8%)

Vehicles involved

  • Car2,330 (67%)
  • Motorcycle444 (13%)
  • Pedal cycle394 (11%)
  • Van or goods vehicle up to 3.5 tonnes152 (4.4%)
  • Goods vehicle over 3.5 tonnes48 (1.4%)
  • Bus or coach41 (1.2%)
  • Other vehicle32 (0.9%)
  • Other17 (0.5%)

Casualties by age

  • 0 to 521 (0.9%)
  • 6 to 1021 (0.9%)
  • 11 to 1595 (4.2%)
  • 16 to 20355 (16%)
  • 21 to 25296 (13%)
  • 26 to 35463 (21%)
  • 36 to 45313 (14%)
  • 46 to 55263 (12%)
  • 56 to 65155 (6.9%)
  • 66 to 7596 (4.3%)
  • Over 7572 (3.2%)
  • Not recorded106 (4.7%)

Drivers, passengers and pedestrians

  • Driver or rider1,636 (73%)
  • Passenger379 (17%)
  • Pedestrian241 (11%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A309

Map of the 25 most recent crashes on the A309

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

  • 25 crashes
  • Serious
  • Slight

A309 crashes by council area

Collisions on the A309 were recorded in 3 council areas. Elmbridge has the most, with 1,225, followed by Richmond upon Thames (575) and Kingston upon Thames (32).

Collisions on the A309 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stElmbridge1,2251,56717226
2ndRichmond upon Thames575642793
3rdKingston upon Thames323504

A309 crashes by town

Collisions on the A309 were recorded in 4 towns and built-up areas, led by West Molesey (478) and Richmond upon Thames (458).

Recent crashes on the A309

These are the 25 most recent collisions on the A309, from 12 October 2024 to 4 December 2025.

Severity