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CrashStats

Merton road accidents: crash map and statistics

Police recorded 24,512 road traffic collisions in Merton from 1982 to 2025, and 28,832 people were killed or injured in them. Of those collisions, 185 were fatal and 3,739 were serious.

In 2025 police recorded 396 collisions, up 6% on 2024 (373).

Collisions since 1982
24,512
56th highest of 2,851 towns
Casualties
28,832
1.18 per collision
Fatal collisions
185
190 people killed
Serious collisions
3,739
3,996 seriously injured
Collisions in 2025
396
Up 6% on 2024
Casualties in 2025
445
Up 6% on 2024

Road collision statistics for Merton

Collisions by severity, 1982 to 2025

  • Fatal1850.8%
  • Serious3,73915%
  • Slight20,58884%

What the data shows

  • Merton had 4,224 collisions from 2016 to 2025, 3% more than the 4,096 from 2006 to 2015.
  • 16% of collisions in Merton were fatal or serious, against 20% across Great Britain.
  • 3,193 children under 16 were killed or injured in Merton, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 23% of collisions in Merton.

Where Merton ranks among 2,851 towns

Most collisions
56th
Most casualties
59th
Most fatal collisions
64th
Most serious collisions
57th

Collisions by day of the week

  • Monday3,497 (14%)
  • Tuesday3,683 (15%)
  • Wednesday3,865 (16%)
  • Thursday3,714 (15%)
  • Friday4,093 (17%)
  • Saturday3,275 (13%)
  • Sunday2,385 (9.7%)

Light conditions

  • Daylight17,632 (72%)
  • Dark, street lights lit6,419 (26%)
  • Dark, lighting unknown372 (1.5%)
  • Dark, street lights unlit58 (0.2%)
  • Dark, no street lighting31 (0.1%)

Type of road

  • Single carriageway19,710 (80%)
  • Dual carriageway2,460 (10%)
  • One way street or slip road1,137 (4.6%)
  • Roundabout891 (3.6%)
  • Not recorded314 (1.3%)

Speed limit at the scene

  • 20 mph1,951 (8%)
  • 30 mph21,851 (89%)
  • 40 mph549 (2.2%)
  • 50 mph64 (0.3%)
  • 60 mph13 (0.1%)
  • 70 mph82 (0.3%)
  • Not recorded2 (under 0.1%)

Weather at the time

  • Fine, no high winds19,777 (81%)
  • Raining, no high winds2,932 (12%)
  • Fine with high winds191 (0.8%)
  • Raining with high winds135 (0.6%)
  • Fog or mist69 (0.3%)
  • Snowing, no high winds60 (0.2%)
  • Snowing with high winds7 (under 0.1%)
  • Other425 (1.7%)
  • Not recorded916 (3.7%)

Who was hurt

  • Car occupant11,866 (41%)
  • Pedestrian5,854 (20%)
  • Motorcyclist5,240 (18%)
  • Cyclist3,587 (12%)
  • Bus or coach occupant1,214 (4.2%)
  • Van occupant610 (2.1%)
  • Taxi or private hire car occupant229 (0.8%)
  • Goods vehicle occupant (over 3.5 tonnes)81 (0.3%)
  • Other vehicle occupant68 (0.2%)
  • Minibus occupant36 (0.1%)
  • Other14 (under 0.1%)
  • Not recorded33 (0.1%)

Source: Department for Transport, STATS19 road safety data

Merton road accidents by year

Collisions and casualties in Merton, 1982 to 2025

Collisions in Merton peaked at 809 in 1990; 2025 had 396.

  • Collisions
  • Collisions in 2025: 396
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025396445
2024373421
2023395443
2022384416
2021422477
2020418462
2019449533
2018466560
2017456547
2016465559
2015472564
2014482581
2013413484
2012430509
2011374464
2010352413
2009364442
2008410477
2007410504
2006389475
2005432504
2004463544
2003541644
2002614752
2001613707
2000642757
1999649773
1998642750
1997651756
1996674798
1995610718
1994648776
1993716833
1992731852
1991688811
1990809956
1989782891
1988715804
1987743873
1986721882
1985759896
1984783922
1983772906
1982794951

Map of recent crashes in Merton

Map of the 24 most recent crashes in Merton

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Merton

The 24 most recent collisions in Merton happened between 8 December and 31 December 2025.

Severity

Crashes by road in Merton

The A217 has the most collisions in Merton, 2,697 of 24,512 (11%), followed by the A24 (2,653).

Collisions in Merton on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA2172,6973,21921389
2ndA242,6533,12721391
3rdA2382,0812,42117294
4thA2192,0492,33810311
5thB2351,1281,27510169
6thA2181,0151,1887165
7thA2369611,1149143
8thA239696833499
9thA29760980012103
10thB2725376664104
11thA216534637488
12thB279525627784
13thA298472633775
14thB286460538469
15thB282425479456
16thA3324404556
17thB285204227123
18thB281164185128
19thB27889105018
20thA237172005
21stA2793310
22ndB2663300

Council areas covering Merton

Collisions in Merton were recorded in 6 council areas. Merton has 23,948 of 24,512 (98%).

Collisions in Merton by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stMerton23,94828,1851833,658
2ndWandsworth378416152
3rdKingston upon Thames115143016
4thSutton4761111
5thLambeth81000
6thCroydon6600

Postcode districts in Merton

Collisions in Merton were recorded in 11 postcode districts, led by SW19 (9,652) and CR4 (6,346).