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CrashStats

A314 accidents: crash map and statistics

Police recorded 1,863 collisions on the A314 from 1979 to 2025, with 2,251 casualties. Of those crashes, 18 were fatal and 299 serious, and 18 people were killed.

In 2025 there were 26 collisions on the A314, down 10% from 29 in 2024, with 28 casualties.

Collisions since 1979
1,863
616th highest of 4,923 roads
Casualties
2,251
1.21 per collision
Fatal collisions
18
18 people killed
Serious collisions
299
329 seriously injured
Collisions in 2025
26
Down 10% on 2024
Casualties in 2025
28
Down 38% on 2024

Crash severity on the A314

On the A314, 1% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal181%
  • Serious29916%
  • Slight1,54683%

Where the A314 ranks among 4,923 roads

Most collisions
616th
Most casualties
677th
Most fatal collisions
1,081st
Most serious collisions
710th

A314 accidents by year

Collisions on the A314 peaked at 74 in 1980 and were down to 26 in 2025.

Collisions and casualties on the A314, 1979 to 2025

  • Collisions
  • Collisions in 2025: 26
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252628
20242945
20232123
20222934
20212224
20203239
20192730
20183136
20173442
20163542
20153540
20142732
20133039
20122230
20112328
20101620
20093034
20082225
20072225
20062735
20053241
20042631
20033955
20025370
20014455
20004248
19993238
19983750
19975571
19965168
19955363
19944045
19932934
19925666
19914652
19904456
19895362
19885458
19875470
19864956
19857383
19846989
19835663
19825663
19814452
19807485
19796276

When crashes happen on the A314

Friday has the most collisions on the A314 (321), and 3pm to 6pm is the busiest time of day (426).

Collisions by day of the week

  • Monday247 (13%)
  • Tuesday289 (16%)
  • Wednesday271 (15%)
  • Thursday281 (15%)
  • Friday321 (17%)
  • Saturday267 (14%)
  • Sunday187 (10%)

Collisions by time of day

  • Midnight to 3am59 (3.2%)
  • 3am to 6am24 (1.3%)
  • 6am to 9am204 (11%)
  • 9am to noon235 (13%)
  • Noon to 3pm362 (19%)
  • 3pm to 6pm426 (23%)
  • 6pm to 9pm353 (19%)
  • 9pm to midnight200 (11%)

Collisions by month

  • January160 (8.6%)
  • February139 (7.5%)
  • March155 (8.3%)
  • April128 (6.9%)
  • May162 (8.7%)
  • June146 (7.8%)
  • July146 (7.8%)
  • August139 (7.5%)
  • September170 (9.1%)
  • October186 (10%)
  • November160 (8.6%)
  • December172 (9.2%)

Light conditions at the time

  • Daylight1,268 (68%)
  • Dark, street lights lit562 (30%)
  • Dark, lighting unknown26 (1.4%)
  • Dark, street lights unlit7 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A314 crashes

On the A314, 94% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph101 (5.4%)
  • 30 mph1,753 (94%)
  • 40 mph6 (0.3%)
  • 70 mph3 (0.2%)

Weather at the time

  • Fine, no high winds1,348 (72%)
  • Raining, no high winds235 (13%)
  • Fine with high winds18 (1%)
  • Fog or mist14 (0.8%)
  • Other202 (11%)
  • Not recorded46 (2.5%)

Road surface

  • Dry1,384 (74%)
  • Wet or damp454 (24%)
  • Frost or ice15 (0.8%)
  • Snow4 (0.2%)
  • Flood over 3cm deep1 (0.1%)
  • Not recorded5 (0.3%)

Type of road

  • Single carriageway1,605 (86%)
  • Dual carriageway69 (3.7%)
  • Roundabout32 (1.7%)
  • One way street or slip road21 (1.1%)
  • Not recorded136 (7.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A314 crashes

Car occupants make up 43% of the people killed or injured on the A314, followed by pedestrians (20%).

Casualties by road user

  • Car occupant976 (43%)
  • Pedestrian444 (20%)
  • Motorcyclist371 (16%)
  • Cyclist226 (10%)
  • Bus or coach occupant151 (6.7%)
  • Van occupant54 (2.4%)
  • Other24 (1.1%)
  • Not recorded5 (0.2%)

Vehicles involved

  • Car2,251 (68%)
  • Motorcycle383 (12%)
  • Pedal cycle230 (7%)
  • Van or goods vehicle up to 3.5 tonnes187 (5.7%)
  • Bus or coach165 (5%)
  • Goods vehicle over 3.5 tonnes33 (1%)
  • Other44 (1.3%)
  • Not recorded1 (under 0.1%)

Casualties by age

  • 0 to 537 (1.6%)
  • 6 to 1082 (3.6%)
  • 11 to 15155 (6.9%)
  • 16 to 20348 (15%)
  • 21 to 25272 (12%)
  • 26 to 35447 (20%)
  • 36 to 45285 (13%)
  • 46 to 55209 (9.3%)
  • 56 to 65133 (5.9%)
  • 66 to 75105 (4.7%)
  • Over 7566 (2.9%)
  • Not recorded112 (5%)

Drivers, passengers and pedestrians

  • Driver or rider1,300 (58%)
  • Passenger507 (23%)
  • Pedestrian444 (20%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A314

Map of the 25 most recent crashes on the A314

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

  • 25 crashes
  • Serious
  • Slight

A314 crashes by council area

Collisions on the A314 were recorded in 2 council areas. Hounslow has the most, with 1,272, followed by Richmond upon Thames (587).

Collisions on the A314 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHounslow1,2721,53013203
2ndRichmond upon Thames587717596

A314 crashes by town

Collisions on the A314 were recorded in 2 towns and built-up areas, led by Hounslow (1,207) and Richmond upon Thames (332).

Recent crashes on the A314

These are the 25 most recent collisions on the A314, from 26 January to 24 December 2025.

Severity