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CrashStats

A239 accidents: crash map and statistics

Police recorded 857 collisions on the A239 from 1979 to 2025, with 1,017 casualties. Of those crashes, 6 were fatal and 118 serious, and 6 people were killed.

In 2025 there were 10 collisions on the A239, down 9% from 11 in 2024, with 12 casualties.

Collisions since 1979
857
1,249th highest of 4,923 roads
Casualties
1,017
1.19 per collision
Fatal collisions
6
6 people killed
Serious collisions
118
124 seriously injured
Collisions in 2025
10
Down 9% on 2024
Casualties in 2025
12
Down 14% on 2024

Crash severity on the A239

On the A239, 0.7% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal60.7%
  • Serious11814%
  • Slight73386%

Where the A239 ranks among 4,923 roads

Most collisions
1,249th
Most casualties
1,424th
Most fatal collisions
2,299th
Most serious collisions
1,673rd

A239 accidents by year

Collisions on the A239 peaked at 38 in 1984 and were down to 10 in 2025.

Collisions and casualties on the A239, 1979 to 2025

  • Collisions
  • Collisions in 2025: 10
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251012
20241114
20231012
2022910
20211013
20201818
20191719
20181516
20171819
20162126
201579
20141722
20131012
20121218
20111517
20101010
20091115
200855
200788
2006910
20051517
20041115
20031519
20021010
20011818
20002529
19992529
19981922
19972729
19963139
19952429
19942529
19931617
19922125
19911820
19903744
19892732
19882632
19872125
19862228
19852427
19843849
19832834
19821823
19812328
19802939
19792124

When crashes happen on the A239

Thursday has the most collisions on the A239 (144), and 3pm to 6pm is the busiest time of day (197).

Collisions by day of the week

  • Monday136 (16%)
  • Tuesday129 (15%)
  • Wednesday135 (16%)
  • Thursday144 (17%)
  • Friday135 (16%)
  • Saturday90 (11%)
  • Sunday88 (10%)

Collisions by time of day

  • Midnight to 3am25 (2.9%)
  • 3am to 6am8 (0.9%)
  • 6am to 9am146 (17%)
  • 9am to noon124 (14%)
  • Noon to 3pm154 (18%)
  • 3pm to 6pm197 (23%)
  • 6pm to 9pm138 (16%)
  • 9pm to midnight65 (7.6%)

Collisions by month

  • January72 (8.4%)
  • February61 (7.1%)
  • March69 (8.1%)
  • April72 (8.4%)
  • May75 (8.8%)
  • June69 (8.1%)
  • July78 (9.1%)
  • August68 (7.9%)
  • September59 (6.9%)
  • October86 (10%)
  • November86 (10%)
  • December62 (7.2%)

Light conditions at the time

  • Daylight634 (74%)
  • Dark, street lights lit208 (24%)
  • Dark, lighting unknown14 (1.6%)
  • Dark, no street lighting1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A239 crashes

On the A239, 93% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph56 (6.5%)
  • 30 mph797 (93%)
  • 40 mph3 (0.4%)
  • 50 mph1 (0.1%)

Weather at the time

  • Fine, no high winds631 (74%)
  • Raining, no high winds108 (13%)
  • Raining with high winds6 (0.7%)
  • Fog or mist5 (0.6%)
  • Other82 (9.6%)
  • Not recorded25 (2.9%)

Road surface

  • Dry634 (74%)
  • Wet or damp207 (24%)
  • Frost or ice12 (1.4%)
  • Snow3 (0.4%)
  • Not recorded1 (0.1%)

Type of road

  • Single carriageway716 (84%)
  • Roundabout60 (7%)
  • Dual carriageway26 (3%)
  • One way street or slip road6 (0.7%)
  • Not recorded49 (5.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A239 crashes

Car occupants make up 47% of the people killed or injured on the A239, followed by motorcyclists (20%).

Casualties by road user

  • Car occupant476 (47%)
  • Motorcyclist204 (20%)
  • Pedestrian166 (16%)
  • Cyclist93 (9.1%)
  • Van occupant30 (2.9%)
  • Bus or coach occupant24 (2.4%)
  • Other22 (2.2%)
  • Not recorded2 (0.2%)

Vehicles involved

  • Car1,077 (69%)
  • Motorcycle211 (14%)
  • Van or goods vehicle up to 3.5 tonnes99 (6.3%)
  • Pedal cycle93 (6%)
  • Goods vehicle over 3.5 tonnes36 (2.3%)
  • Bus or coach27 (1.7%)
  • Taxi or private hire car12 (0.8%)
  • Other7 (0.4%)

Casualties by age

  • 0 to 529 (2.9%)
  • 6 to 1052 (5.1%)
  • 11 to 1544 (4.3%)
  • 16 to 20145 (14%)
  • 21 to 25162 (16%)
  • 26 to 35208 (20%)
  • 36 to 45122 (12%)
  • 46 to 5594 (9.2%)
  • 56 to 6564 (6.3%)
  • 66 to 7530 (2.9%)
  • Over 7526 (2.6%)
  • Not recorded41 (4%)

Drivers, passengers and pedestrians

  • Driver or rider663 (65%)
  • Passenger188 (18%)
  • Pedestrian166 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A239

Map of the 25 most recent crashes on the A239

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

  • 25 crashes
  • Serious
  • Slight

A239 crashes by council area

Collisions on the A239 were recorded in 2 council areas. Merton has the most, with 849, followed by Sutton (4).

Collisions on the A239 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stMerton8491,0065117
2ndSutton4711

A239 crashes by town

Of the 857 collisions on the A239, 696 were in the built-up area of Merton.

Recent crashes on the A239

These are the 25 most recent collisions on the A239, from 19 August 2023 to 15 November 2025.

Severity