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CrashStats

SM6 road accidents: crash map and statistics

Police recorded 4,984 road traffic collisions in the SM6 postcode district, Sutton, from 1979 to 2025, and 6,063 people were killed or injured in them. Of those collisions, 46 were fatal and 782 were serious.

In 2025 police recorded 77 collisions, down 7% on 2024 (83).

Collisions since 1979
4,984
561st highest of 2,813 postcode districts
Casualties
6,063
1.22 per collision
Fatal collisions
46
46 people killed
Serious collisions
782
843 seriously injured
Collisions in 2025
77
Down 7% on 2024
Casualties in 2025
93
Down 12% on 2024

Road collision statistics for SM6

Collisions by severity, 1979 to 2025

  • Fatal460.9%
  • Serious78216%
  • Slight4,15683%

What the data shows

  • SM6 had 788 collisions from 2016 to 2025, 3% more than the 767 from 2006 to 2015.
  • 17% of collisions in SM6 were fatal or serious, against 20% across Great Britain.
  • 765 children under 16 were killed or injured in SM6, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 24% of collisions in SM6.

Where SM6 ranks among 2,813 postcode districts

Most collisions
561st
Most casualties
682nd
Most fatal collisions
1,308th
Most serious collisions
780th

Collisions by day of the week

  • Monday704 (14%)
  • Tuesday754 (15%)
  • Wednesday781 (16%)
  • Thursday716 (14%)
  • Friday805 (16%)
  • Saturday704 (14%)
  • Sunday520 (10%)

Light conditions

  • Daylight3,636 (73%)
  • Dark, street lights lit1,286 (26%)
  • Dark, lighting unknown28 (0.6%)
  • Dark, street lights unlit23 (0.5%)
  • Dark, no street lighting11 (0.2%)

Type of road

  • Single carriageway4,631 (93%)
  • Roundabout158 (3.2%)
  • Dual carriageway89 (1.8%)
  • One way street or slip road58 (1.2%)
  • Not recorded48 (1%)

Speed limit at the scene

  • 20 mph104 (2.1%)
  • 30 mph4,842 (97%)
  • 40 mph36 (0.7%)
  • 50 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds4,066 (82%)
  • Raining, no high winds620 (12%)
  • Raining with high winds43 (0.9%)
  • Fine with high winds42 (0.8%)
  • Snowing, no high winds20 (0.4%)
  • Fog or mist14 (0.3%)
  • Snowing with high winds2 (under 0.1%)
  • Other68 (1.4%)
  • Not recorded109 (2.2%)

Who was hurt

  • Car occupant3,114 (51%)
  • Pedestrian1,076 (18%)
  • Motorcyclist959 (16%)
  • Cyclist519 (8.6%)
  • Van occupant167 (2.8%)
  • Bus or coach occupant139 (2.3%)
  • Taxi or private hire car occupant33 (0.5%)
  • Other vehicle occupant22 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)19 (0.3%)
  • Minibus occupant7 (0.1%)
  • Other4 (0.1%)
  • Not recorded4 (0.1%)

Source: Department for Transport, STATS19 road safety data

SM6 road accidents by year

Collisions and casualties in SM6, 1979 to 2025

Collisions in SM6 peaked at 186 in 1986; 2025 had 77.

  • Collisions
  • Collisions in 2025: 77
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20257793
202483106
20237686
202283105
20217281
20205768
201985104
201890119
201796124
20166991
20155564
20146271
20137181
20127599
20117598
201081100
20097280
200891114
200788117
200697128
20057996
2004104121
2003120142
2002111140
2001130170
2000111129
1999137166
1998129158
1997146164
1996135153
1995120143
1994132161
1993147177
1992151190
1991170197
1990180209
1989163187
1988145180
1987162204
1986186230
1985161202
1984180219
1983162186
1982166208
198111
198000
197911

Map of recent crashes in SM6

Map of the 24 most recent crashes in SM6

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SM6

The 24 most recent collisions in SM6 happened between 22 September and 28 December 2025.

Severity

Crashes by road in SM6

The A237 has the most collisions in SM6, 1,672 of 4,984 (34%), followed by the B271 (1,054).

Collisions in SM6 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA2371,6722,01623283
2ndB2711,0541,2861150
3rdA232610781494
4thB272362480263
5thB27789102116

Council areas covering SM6

Collisions in SM6 were recorded in 2 council areas. Sutton has 4,974 of 4,984 (99.8%).

Collisions in SM6 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSutton4,9746,05046782
2ndCroydon4700

Town in SM6

Of the 4,984 collisions in SM6, 4,855 (97%) were in Sutton, Sutton.