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CrashStats

A316 accidents: crash map and statistics

Police recorded 4,782 collisions on the A316 from 1979 to 2025, with 5,836 casualties. Of those crashes, 61 were fatal and 758 serious, and 64 people were killed.

In 2025 there were 44 collisions on the A316, level with 2024, with 49 casualties.

Live A316 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1979
4,782
218th highest of 4,923 roads
Casualties
5,836
1.22 per collision
Fatal collisions
61
64 people killed
Serious collisions
758
838 seriously injured
Collisions in 2025
44
Level with 2024
Casualties in 2025
49
Up 4% on 2024

Crash severity on the A316

On the A316, 1.3% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal611.3%
  • Serious75816%
  • Slight3,96383%

Where the A316 ranks among 4,923 roads

Most collisions
218th
Most casualties
255th
Most fatal collisions
342nd
Most serious collisions
259th

A316 accidents by year

Collisions on the A316 peaked at 182 in 1982 and were down to 44 in 2025.

Collisions and casualties on the A316, 1979 to 2025

  • Collisions
  • Collisions in 2025: 44
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254449
20244447
20235059
20226785
20214152
20204148
20196878
20186067
20175977
20168098
201584106
20147381
20137385
201290109
2011105138
20107291
20097279
20086174
200781102
20067088
20057792
200485101
200390109
2002113135
2001121146
2000133155
1999112137
1998135170
1997135165
1996142187
1995145171
1994138169
1993138164
1992132151
1991117141
1990133166
1989123146
1988112127
1987103125
1986132175
1985107145
1984153182
1983132164
1982182240
1981160195
1980153180
1979144185

When crashes happen on the A316

Friday has the most collisions on the A316 (776), and 3pm to 6pm is the busiest time of day (964).

Collisions by day of the week

  • Monday677 (14%)
  • Tuesday764 (16%)
  • Wednesday701 (15%)
  • Thursday748 (16%)
  • Friday776 (16%)
  • Saturday621 (13%)
  • Sunday495 (10%)

Collisions by time of day

  • Midnight to 3am175 (3.7%)
  • 3am to 6am92 (1.9%)
  • 6am to 9am735 (15%)
  • 9am to noon721 (15%)
  • Noon to 3pm822 (17%)
  • 3pm to 6pm964 (20%)
  • 6pm to 9pm835 (17%)
  • 9pm to midnight438 (9.2%)

Collisions by month

  • January390 (8.2%)
  • February334 (7%)
  • March388 (8.1%)
  • April385 (8.1%)
  • May389 (8.1%)
  • June406 (8.5%)
  • July430 (9%)
  • August367 (7.7%)
  • September417 (8.7%)
  • October434 (9.1%)
  • November478 (10%)
  • December364 (7.6%)

Light conditions at the time

  • Daylight3,374 (71%)
  • Dark, street lights lit1,334 (28%)
  • Dark, lighting unknown50 (1%)
  • Dark, street lights unlit21 (0.4%)
  • Dark, no street lighting3 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A316 crashes

On the A316, 54% of collisions happened where the speed limit was 30 mph and 76% on a dry road surface.

Speed limit at the scene

  • 20 mph46 (1%)
  • 30 mph2,588 (54%)
  • 40 mph1,721 (36%)
  • 50 mph205 (4.3%)
  • 60 mph27 (0.6%)
  • 70 mph195 (4.1%)

Weather at the time

  • Fine, no high winds3,569 (75%)
  • Raining, no high winds575 (12%)
  • Fine with high winds42 (0.9%)
  • Raining with high winds29 (0.6%)
  • Other460 (9.6%)
  • Not recorded107 (2.2%)

Road surface

  • Dry3,618 (76%)
  • Wet or damp1,098 (23%)
  • Frost or ice26 (0.5%)
  • Snow18 (0.4%)
  • Other3 (0.1%)
  • Not recorded19 (0.4%)

Type of road

  • Dual carriageway1,982 (41%)
  • Single carriageway1,593 (33%)
  • Roundabout988 (21%)
  • One way street or slip road131 (2.7%)
  • Not recorded88 (1.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A316 crashes

Car occupants make up 51% of the people killed or injured on the A316, followed by motorcyclists (23%).

Casualties by road user

  • Car occupant2,974 (51%)
  • Motorcyclist1,345 (23%)
  • Cyclist643 (11%)
  • Pedestrian480 (8.2%)
  • Van occupant185 (3.2%)
  • Bus or coach occupant83 (1.4%)
  • Taxi or private hire car occupant49 (0.8%)
  • Other77 (1.3%)

Vehicles involved

  • Car5,998 (66%)
  • Motorcycle1,391 (15%)
  • Pedal cycle663 (7.3%)
  • Van or goods vehicle up to 3.5 tonnes499 (5.5%)
  • Goods vehicle over 3.5 tonnes230 (2.5%)
  • Bus or coach123 (1.4%)
  • Other183 (2%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 569 (1.2%)
  • 6 to 1071 (1.2%)
  • 11 to 15182 (3.1%)
  • 16 to 20646 (11%)
  • 21 to 25740 (13%)
  • 26 to 351,554 (27%)
  • 36 to 451,031 (18%)
  • 46 to 55599 (10%)
  • 56 to 65324 (5.6%)
  • 66 to 75186 (3.2%)
  • Over 75116 (2%)
  • Not recorded318 (5.4%)

Drivers, passengers and pedestrians

  • Driver or rider4,236 (73%)
  • Passenger1,120 (19%)
  • Pedestrian480 (8.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A316

Map of the 25 most recent crashes on the A316

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

  • 25 crashes
  • Serious
  • Slight

A316 crashes by council area

Collisions on the A316 were recorded in 3 council areas. Richmond upon Thames has the most, with 3,111, followed by Hounslow (1,495) and Spelthorne (171).

Collisions on the A316 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stRichmond upon Thames3,1113,72537471
2ndHounslow1,4951,89120262
3rdSpelthorne171215423

A316 crashes by town

Collisions on the A316 were recorded in 3 towns and built-up areas, led by Richmond upon Thames (2,315) and Hounslow (936).

Recent crashes on the A316

These are the 25 most recent collisions on the A316, from 16 July to 15 December 2025.

Severity