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CrashStats

A313 accidents: crash map and statistics

Police recorded 873 collisions on the A313 from 1979 to 2025, with 1,034 casualties. Of those crashes, 7 were fatal and 127 serious, and 7 people were killed.

In 2025 there were 10 collisions on the A313, up 43% from 7 in 2024, with 14 casualties.

Collisions since 1979
873
1,229th highest of 4,923 roads
Casualties
1,034
1.18 per collision
Fatal collisions
7
7 people killed
Serious collisions
127
132 seriously injured
Collisions in 2025
10
Up 43% on 2024
Casualties in 2025
14
Up 100% on 2024

Crash severity on the A313

On the A313, 0.8% of collisions were fatal and 15% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal70.8%
  • Serious12715%
  • Slight73985%

Where the A313 ranks among 4,923 roads

Most collisions
1,229th
Most casualties
1,401st
Most fatal collisions
2,103rd
Most serious collisions
1,582nd

A313 accidents by year

Collisions on the A313 peaked at 35 in 1980 and were down to 10 in 2025.

Collisions and casualties on the A313, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251014
202477
20231414
20221111
20211115
202033
20191214
201855
20171213
201666
20151315
20142729
20131013
20121822
20112327
20101720
20091316
20081819
20071517
20061617
2005911
20041621
20032227
20021416
20011518
20001216
19991718
19982227
19973443
19961515
19952329
19942628
19932729
19921819
19911819
19903241
19892336
19882030
19872023
19863138
19852629
19842628
19833342
19822630
19812022
19803540
19793242

When crashes happen on the A313

Thursday has the most collisions on the A313 (152), and 3pm to 6pm is the busiest time of day (208).

Collisions by day of the week

  • Monday151 (17%)
  • Tuesday137 (16%)
  • Wednesday125 (14%)
  • Thursday152 (17%)
  • Friday135 (15%)
  • Saturday108 (12%)
  • Sunday65 (7.4%)

Collisions by time of day

  • Midnight to 3am22 (2.5%)
  • 3am to 6am10 (1.1%)
  • 6am to 9am133 (15%)
  • 9am to noon129 (15%)
  • Noon to 3pm157 (18%)
  • 3pm to 6pm208 (24%)
  • 6pm to 9pm143 (16%)
  • 9pm to midnight71 (8.1%)

Collisions by month

  • January60 (6.9%)
  • February46 (5.3%)
  • March66 (7.6%)
  • April82 (9.4%)
  • May86 (9.9%)
  • June57 (6.5%)
  • July87 (10%)
  • August52 (6%)
  • September86 (9.9%)
  • October78 (8.9%)
  • November87 (10%)
  • December86 (9.9%)

Light conditions at the time

  • Daylight642 (74%)
  • Dark, street lights lit210 (24%)
  • Dark, lighting unknown15 (1.7%)
  • Dark, street lights unlit6 (0.7%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A313 crashes

On the A313, 93% of collisions happened where the speed limit was 30 mph and 76% on a dry road surface.

Speed limit at the scene

  • 20 mph47 (5.4%)
  • 30 mph815 (93%)
  • 40 mph11 (1.3%)

Weather at the time

  • Fine, no high winds646 (74%)
  • Raining, no high winds111 (13%)
  • Fine with high winds7 (0.8%)
  • Raining with high winds2 (0.2%)
  • Other89 (10%)
  • Not recorded18 (2.1%)

Road surface

  • Dry663 (76%)
  • Wet or damp203 (23%)
  • Frost or ice5 (0.6%)
  • Snow1 (0.1%)
  • Not recorded1 (0.1%)

Type of road

  • Single carriageway728 (83%)
  • Roundabout57 (6.5%)
  • Dual carriageway12 (1.4%)
  • One way street or slip road5 (0.6%)
  • Not recorded71 (8.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A313 crashes

Car occupants make up 38% of the people killed or injured on the A313, followed by cyclists (22%).

Casualties by road user

  • Car occupant390 (38%)
  • Cyclist224 (22%)
  • Pedestrian184 (18%)
  • Motorcyclist133 (13%)
  • Bus or coach occupant77 (7.4%)
  • Van occupant16 (1.5%)
  • Taxi or private hire car occupant7 (0.7%)
  • Other3 (0.3%)

Vehicles involved

  • Car966 (63%)
  • Pedal cycle231 (15%)
  • Motorcycle150 (9.8%)
  • Bus or coach92 (6%)
  • Van or goods vehicle up to 3.5 tonnes60 (3.9%)
  • Other vehicle12 (0.8%)
  • Goods vehicle over 3.5 tonnes11 (0.7%)
  • Other10 (0.7%)

Casualties by age

  • 0 to 514 (1.4%)
  • 6 to 1024 (2.3%)
  • 11 to 1575 (7.3%)
  • 16 to 20161 (16%)
  • 21 to 25117 (11%)
  • 26 to 35161 (16%)
  • 36 to 45119 (12%)
  • 46 to 55106 (10%)
  • 56 to 6578 (7.5%)
  • 66 to 7551 (4.9%)
  • Over 7561 (5.9%)
  • Not recorded67 (6.5%)

Drivers, passengers and pedestrians

  • Driver or rider642 (62%)
  • Passenger208 (20%)
  • Pedestrian184 (18%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A313

Map of the 25 most recent crashes on the A313

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

  • 25 crashes
  • Serious
  • Slight

A313 crashes by council area

Collisions on the A313 were recorded in 2 council areas. Richmond upon Thames has the most, with 845, followed by Swindon (23).

Collisions on the A313 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stRichmond upon Thames8451,0007125
2ndSwindon232902

A313 crashes by town

Collisions on the A313 were recorded in 2 towns and built-up areas, led by Richmond upon Thames (759) and Swindon, Swindon (23).

Recent crashes on the A313

These are the 25 most recent collisions on the A313, from 31 March 2023 to 27 December 2025.

Severity