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CrashStats

SW1A road accidents: crash map and statistics

Police recorded 4,027 road traffic collisions in the SW1A postcode district, Westminster, from 1982 to 2025, and 4,655 people were killed or injured in them. Of those collisions, 24 were fatal and 608 were serious.

In 2025 police recorded 56 collisions, up 22% on 2024 (46).

Collisions since 1982
4,027
878th highest of 2,813 postcode districts
Casualties
4,655
1.16 per collision
Fatal collisions
24
24 people killed
Serious collisions
608
652 seriously injured
Collisions in 2025
56
Up 22% on 2024
Casualties in 2025
62
Up 27% on 2024

Road collision statistics for SW1A

Collisions by severity, 1982 to 2025

  • Fatal240.6%
  • Serious60815%
  • Slight3,39584%

What the data shows

  • SW1A had 558 collisions from 2016 to 2025, 18% fewer than the 680 from 2006 to 2015.
  • 16% of collisions in SW1A were fatal or serious, against 20% across Great Britain.
  • 141 children under 16 were killed or injured in SW1A, 3.3% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 18% of collisions in SW1A.

Where SW1A ranks among 2,813 postcode districts

Most collisions
878th
Most casualties
1,099th
Most fatal collisions
2,033rd
Most serious collisions
1,183rd

Collisions by day of the week

  • Monday581 (14%)
  • Tuesday686 (17%)
  • Wednesday675 (17%)
  • Thursday654 (16%)
  • Friday662 (16%)
  • Saturday454 (11%)
  • Sunday315 (7.8%)

Light conditions

  • Daylight2,828 (70%)
  • Dark, street lights lit1,143 (28%)
  • Dark, lighting unknown31 (0.8%)
  • Dark, street lights unlit16 (0.4%)
  • Dark, no street lighting9 (0.2%)

Type of road

  • Single carriageway2,276 (57%)
  • Dual carriageway985 (24%)
  • One way street or slip road432 (11%)
  • Roundabout254 (6.3%)
  • Not recorded80 (2%)

Speed limit at the scene

  • 20 mph247 (6.1%)
  • 30 mph3,770 (94%)
  • 40 mph8 (0.2%)
  • 50 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds3,473 (86%)
  • Raining, no high winds404 (10%)
  • Fine with high winds33 (0.8%)
  • Raining with high winds18 (0.4%)
  • Fog or mist6 (0.1%)
  • Snowing, no high winds4 (0.1%)
  • Snowing with high winds1 (under 0.1%)
  • Other51 (1.3%)
  • Not recorded37 (0.9%)

Who was hurt

  • Pedestrian1,284 (28%)
  • Motorcyclist1,058 (23%)
  • Cyclist871 (19%)
  • Car occupant709 (15%)
  • Bus or coach occupant434 (9.3%)
  • Taxi or private hire car occupant220 (4.7%)
  • Van occupant59 (1.3%)
  • Goods vehicle occupant (over 3.5 tonnes)8 (0.2%)
  • Other vehicle occupant7 (0.2%)
  • Minibus occupant4 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

SW1A road accidents by year

Collisions and casualties in SW1A, 1982 to 2025

Collisions in SW1A peaked at 156 in 1983; 2025 had 56.

  • Collisions
  • Collisions in 2025: 56
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20255662
20244649
20235357
20224957
20213943
20203340
20196780
20186172
201792110
20166269
20156577
20147389
20137180
20127586
20117187
20105974
20096875
20087381
20075969
20066685
20057280
20048996
200393111
2002105127
2001117135
2000110131
1999110134
1998115138
1997103114
199689103
199596116
1994106148
1993109130
1992103118
1991118143
1990152167
1989150171
1988139150
1987117140
1986115122
1985140156
1984146154
1983156170
1982139159

Map of recent crashes in SW1A

Map of the 24 most recent crashes in SW1A

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SW1A

The 24 most recent collisions in SW1A happened between 16 July and 30 December 2025.

Severity

Crashes by road in SW1A

The A3212 has the most collisions in SW1A, 1,267 of 4,027 (31%), followed by the A302 (731).

Collisions in SW1A on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA32121,2671,4667194
2ndA3027318646109
3rdA3211505604496
4thA4479531163
5thB309697506
6thB308536206
7thA3214283105
8thA233300

Council areas covering SW1A

Collisions in SW1A were recorded in 2 council areas. Westminster has 4,017 of 4,027 (99.8%).

Collisions in SW1A by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWestminster4,0174,64424607
2ndLambeth101101

Town in SW1A

Of the 4,027 collisions in SW1A, 3,709 (92%) were in City of Westminster.