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CrashStats

A310 accidents: crash map and statistics

Police recorded 2,926 collisions on the A310 from 1979 to 2025, with 3,380 casualties. Of those crashes, 18 were fatal and 475 serious, and 18 people were killed.

In 2025 there were 27 collisions on the A310, down 25% from 36 in 2024, with 28 casualties.

Collisions since 1979
2,926
398th highest of 4,923 roads
Casualties
3,380
1.16 per collision
Fatal collisions
18
18 people killed
Serious collisions
475
506 seriously injured
Collisions in 2025
27
Down 25% on 2024
Casualties in 2025
28
Down 30% on 2024

Crash severity on the A310

On the A310, 0.6% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal180.6%
  • Serious47516%
  • Slight2,43383%

Where the A310 ranks among 4,923 roads

Most collisions
398th
Most casualties
472nd
Most fatal collisions
1,081st
Most serious collisions
450th

A310 accidents by year

Collisions on the A310 peaked at 108 in 1980 and were down to 27 in 2025.

Collisions and casualties on the A310, 1979 to 2025

  • Collisions
  • Collisions in 2025: 27
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252728
20243640
20233643
20223839
20213233
20204044
20194454
20185057
20175559
20166167
20154146
20145457
20134452
20123839
20115365
20104043
20094146
20082936
20073243
20063843
20054655
20044449
20037487
20025866
20016274
20006774
19996472
19986780
19977289
19966472
19955059
19947593
19937179
19926980
19916068
1990101107
19898595
19886574
198799119
198695117
198592104
1984106119
1983101115
1982100125
198194110
1980108130
1979108134

When crashes happen on the A310

Tuesday has the most collisions on the A310 (494), and 3pm to 6pm is the busiest time of day (656).

Collisions by day of the week

  • Monday421 (14%)
  • Tuesday494 (17%)
  • Wednesday458 (16%)
  • Thursday427 (15%)
  • Friday479 (16%)
  • Saturday367 (13%)
  • Sunday280 (9.6%)

Collisions by time of day

  • Midnight to 3am103 (3.5%)
  • 3am to 6am43 (1.5%)
  • 6am to 9am454 (16%)
  • 9am to noon433 (15%)
  • Noon to 3pm493 (17%)
  • 3pm to 6pm656 (22%)
  • 6pm to 9pm492 (17%)
  • 9pm to midnight252 (8.6%)

Collisions by month

  • January210 (7.2%)
  • February207 (7.1%)
  • March229 (7.8%)
  • April213 (7.3%)
  • May248 (8.5%)
  • June224 (7.7%)
  • July258 (8.8%)
  • August189 (6.5%)
  • September265 (9.1%)
  • October317 (11%)
  • November318 (11%)
  • December248 (8.5%)

Light conditions at the time

  • Daylight2,077 (71%)
  • Dark, street lights lit787 (27%)
  • Dark, lighting unknown37 (1.3%)
  • Dark, street lights unlit19 (0.6%)
  • Dark, no street lighting6 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A310 crashes

On the A310, 93% of collisions happened where the speed limit was 30 mph and 76% on a dry road surface.

Speed limit at the scene

  • 20 mph129 (4.4%)
  • 30 mph2,730 (93%)
  • 40 mph63 (2.2%)
  • 50 mph1 (under 0.1%)
  • 60 mph2 (0.1%)
  • 70 mph1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,160 (74%)
  • Raining, no high winds338 (12%)
  • Fine with high winds27 (0.9%)
  • Raining with high winds22 (0.8%)
  • Other315 (11%)
  • Not recorded64 (2.2%)

Road surface

  • Dry2,232 (76%)
  • Wet or damp646 (22%)
  • Frost or ice18 (0.6%)
  • Snow12 (0.4%)
  • Other2 (0.1%)
  • Not recorded16 (0.5%)

Type of road

  • Single carriageway2,386 (82%)
  • Roundabout179 (6.1%)
  • Dual carriageway134 (4.6%)
  • One way street or slip road13 (0.4%)
  • Not recorded214 (7.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A310 crashes

Car occupants make up 37% of the people killed or injured on the A310, followed by cyclists (20%).

Casualties by road user

  • Car occupant1,251 (37%)
  • Cyclist687 (20%)
  • Motorcyclist642 (19%)
  • Pedestrian577 (17%)
  • Bus or coach occupant131 (3.9%)
  • Van occupant61 (1.8%)
  • Other28 (0.8%)
  • Not recorded3 (0.1%)

Vehicles involved

  • Car3,268 (62%)
  • Pedal cycle708 (14%)
  • Motorcycle688 (13%)
  • Van or goods vehicle up to 3.5 tonnes255 (4.9%)
  • Bus or coach164 (3.1%)
  • Goods vehicle over 3.5 tonnes79 (1.5%)
  • Other70 (1.3%)
  • Not recorded2 (under 0.1%)

Casualties by age

  • 0 to 553 (1.6%)
  • 6 to 1065 (1.9%)
  • 11 to 15217 (6.4%)
  • 16 to 20494 (15%)
  • 21 to 25483 (14%)
  • 26 to 35717 (21%)
  • 36 to 45438 (13%)
  • 46 to 55282 (8.3%)
  • 56 to 65194 (5.7%)
  • 66 to 75121 (3.6%)
  • Over 75123 (3.6%)
  • Not recorded193 (5.7%)

Drivers, passengers and pedestrians

  • Driver or rider2,227 (66%)
  • Pedestrian577 (17%)
  • Passenger576 (17%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A310

Map of the 25 most recent crashes on the A310

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

  • 25 crashes
  • Serious
  • Slight

A310 crashes by council area

Collisions on the A310 were recorded in 2 council areas. Richmond upon Thames has the most, with 1,817, followed by Hounslow (1,101).

Collisions on the A310 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stRichmond upon Thames1,8172,08213312
2ndHounslow1,1011,2875160

A310 crashes by town

Collisions on the A310 were recorded in 2 towns and built-up areas, led by Richmond upon Thames (1,567) and Hounslow (999).

Recent crashes on the A310

These are the 25 most recent collisions on the A310, from 8 February to 18 December 2025.

Severity