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CrashStats

A3113 accidents: crash map and statistics

Police recorded 160 collisions on the A3113 from 1983 to 2025, with 192 casualties. Of those crashes, none were fatal and 19 were serious.

In 2025 there was 1 collision on the A3113, level with 2024, with 1 casualty.

Live A3113 closures, incidents and roadworks are checked every 5 minutes.

Collisions since 1983
160
3,515th highest of 4,923 roads
Casualties
192
1.20 per collision
Fatal collisions
0
No one killed
Serious collisions
19
20 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Level with 2024

Crash severity on the A3113

None of the 160 collisions on the A3113 were fatal, and 12% were serious (18% across Great Britain).

Collisions by severity, 1983 to 2025

  • Fatal00%
  • Serious1912%
  • Slight14188%

Where the A3113 ranks among 4,923 roads

Most collisions
3,515th
Most casualties
3,670th
Most fatal collisions
4,444th
Most serious collisions
4,084th

A3113 accidents by year

Collisions on the A3113 peaked at 13 in 2000 and were down to 1 in 2025.

Collisions and casualties on the A3113, 1983 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202322
202200
202111
202011
201944
201800
201711
201611
201511
201434
201344
201224
201134
201033
200933
200822
200711
200622
200545
200433
200346
200234
200199
20001321
19991213
199856
199799
1996710
199544
1994913
199366
199266
199159
199033
198966
198844
198733
198613
198534
198422
198333

When crashes happen on the A3113

Thursday has the most collisions on the A3113 (29), and 6am to 9am is the busiest time of day (38).

Collisions by day of the week

  • Monday23 (14%)
  • Tuesday28 (18%)
  • Wednesday28 (18%)
  • Thursday29 (18%)
  • Friday24 (15%)
  • Saturday14 (8.8%)
  • Sunday14 (8.8%)

Collisions by time of day

  • Midnight to 3am2 (1.3%)
  • 3am to 6am6 (3.8%)
  • 6am to 9am38 (24%)
  • 9am to noon14 (8.8%)
  • Noon to 3pm34 (21%)
  • 3pm to 6pm26 (16%)
  • 6pm to 9pm23 (14%)
  • 9pm to midnight17 (11%)

Collisions by month

  • January19 (12%)
  • February18 (11%)
  • March8 (5%)
  • April13 (8.1%)
  • May15 (9.4%)
  • June14 (8.8%)
  • July19 (12%)
  • August14 (8.8%)
  • September14 (8.8%)
  • October10 (6.3%)
  • November9 (5.6%)
  • December7 (4.4%)

Light conditions at the time

  • Daylight117 (73%)
  • Dark, street lights lit38 (24%)
  • Dark, lighting unknown3 (1.9%)
  • Dark, no street lighting1 (0.6%)
  • Dark, street lights unlit1 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A3113 crashes

On the A3113, 33% of collisions happened where the speed limit was 70 mph and 79% on a dry road surface.

Speed limit at the scene

  • 30 mph49 (31%)
  • 40 mph32 (20%)
  • 50 mph15 (9.4%)
  • 60 mph12 (7.5%)
  • 70 mph52 (33%)

Weather at the time

  • Fine, no high winds134 (84%)
  • Raining, no high winds17 (11%)
  • Fine with high winds2 (1.3%)
  • Raining with high winds1 (0.6%)
  • Other2 (1.3%)
  • Not recorded4 (2.5%)

Road surface

  • Dry126 (79%)
  • Wet or damp30 (19%)
  • Flood over 3cm deep1 (0.6%)
  • Mud1 (0.6%)
  • Oil or diesel1 (0.6%)
  • Snow1 (0.6%)

Type of road

  • Roundabout81 (51%)
  • Dual carriageway70 (44%)
  • Single carriageway7 (4.4%)
  • One way street or slip road2 (1.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A3113 crashes

Car occupants make up 78% of the people killed or injured on the A3113, followed by motorcyclists (9.9%).

Casualties by road user

  • Car occupant149 (78%)
  • Motorcyclist19 (9.9%)
  • Cyclist8 (4.2%)
  • Goods vehicle occupant (over 3.5 tonnes)8 (4.2%)
  • Minibus occupant4 (2.1%)
  • Van occupant3 (1.6%)
  • Taxi or private hire car occupant1 (0.5%)

Vehicles involved

  • Car232 (78%)
  • Goods vehicle over 3.5 tonnes25 (8.4%)
  • Motorcycle19 (6.4%)
  • Pedal cycle8 (2.7%)
  • Van or goods vehicle up to 3.5 tonnes8 (2.7%)
  • Taxi or private hire car5 (1.7%)
  • Bus or coach1 (0.3%)
  • Minibus1 (0.3%)

Casualties by age

  • 0 to 51 (0.5%)
  • 11 to 153 (1.6%)
  • 16 to 2010 (5.2%)
  • 21 to 2524 (13%)
  • 26 to 3563 (33%)
  • 36 to 4532 (17%)
  • 46 to 5526 (14%)
  • 56 to 6517 (8.9%)
  • 66 to 754 (2.1%)
  • Not recorded12 (6.3%)

Drivers, passengers and pedestrians

  • Driver or rider157 (82%)
  • Passenger35 (18%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A3113

Map of the 25 most recent crashes on the A3113

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

  • 25 crashes
  • Slight

A3113 crashes by council area

Collisions on the A3113 were recorded in 2 council areas. Hillingdon has the most, with 117, followed by Spelthorne (42).

Collisions on the A3113 in each area, 1983 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHillingdon117142010
2ndSpelthorne424909

Recent crashes on the A3113

These are the 25 most recent collisions on the A3113, from 9 February 2011 to 28 October 2025.