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CrashStats

SW1H road accidents: crash map and statistics

Police recorded 726 road traffic collisions in the SW1H postcode district, Westminster, from 1982 to 2025, and 816 people were killed or injured in them. Of those collisions, 4 were fatal and 115 were serious.

In 2025 police recorded 8 collisions, up from 4 in 2024.

Collisions since 1982
726
2,310th of 2,813 postcode districts, highest first
Casualties
816
1.12 per collision
Fatal collisions
4
4 people killed
Serious collisions
115
121 seriously injured
Collisions in 2025
8
4 in 2024
Casualties in 2025
9
4 in 2024

Road collision statistics for SW1H

Collisions by severity, 1982 to 2025

  • Fatal40.6%
  • Serious11516%
  • Slight60784%

What the data shows

  • SW1H had 78 collisions from 2016 to 2025, 32% fewer than the 115 from 2006 to 2015.
  • 16% of collisions in SW1H were fatal or serious, against 20% across Great Britain.
  • The busiest three hours of the day in SW1H are between noon and 3pm, with 25% of collisions.
  • 25 children under 16 were killed or injured in SW1H, 3.3% of the casualties whose age was recorded.

Where SW1H ranks among 2,813 postcode districts

Most collisions
2,310th
Most casualties
2,380th
Most fatal collisions
2,573rd
Most serious collisions
2,425th

Collisions by day of the week

  • Monday127 (17%)
  • Tuesday130 (18%)
  • Wednesday142 (20%)
  • Thursday113 (16%)
  • Friday116 (16%)
  • Saturday58 (8%)
  • Sunday40 (5.5%)

Light conditions

  • Daylight595 (82%)
  • Dark, street lights lit126 (17%)
  • Dark, lighting unknown3 (0.4%)
  • Dark, no street lighting1 (0.1%)
  • Dark, street lights unlit1 (0.1%)

Type of road

  • Single carriageway620 (85%)
  • Dual carriageway58 (8%)
  • One way street or slip road36 (5%)
  • Roundabout2 (0.3%)
  • Not recorded10 (1.4%)

Speed limit at the scene

  • 20 mph31 (4.3%)
  • 30 mph691 (95%)
  • 40 mph2 (0.3%)
  • 50 mph2 (0.3%)

Weather at the time

  • Fine, no high winds637 (88%)
  • Raining, no high winds69 (9.5%)
  • Fine with high winds5 (0.7%)
  • Raining with high winds4 (0.6%)
  • Snowing, no high winds1 (0.1%)
  • Other4 (0.6%)
  • Not recorded6 (0.8%)

Who was hurt

  • Pedestrian298 (37%)
  • Motorcyclist169 (21%)
  • Cyclist138 (17%)
  • Car occupant89 (11%)
  • Bus or coach occupant68 (8.3%)
  • Taxi or private hire car occupant35 (4.3%)
  • Van occupant15 (1.8%)
  • Other vehicle occupant3 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.1%)

Source: Department for Transport, STATS19 road safety data

SW1H road accidents by year

Collisions and casualties in SW1H, 1982 to 2025

Collisions in SW1H peaked at 36 in 1989; 2025 had 8.

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202589
202444
202355
2022810
202156
202045
20191516
20181316
201789
201688
201555
20141010
20131216
20121919
2011910
20101414
20092022
200877
20071212
200677
20051010
20041417
20031111
20021722
20011112
20002427
19992225
19983032
19972224
19962832
19952832
19941520
19931718
19921415
19912329
19902935
19893638
19883341
19872531
19862021
19852223
19842830
19833437
19822024

Map of recent crashes in SW1H

Map of the 24 most recent crashes in SW1H

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SW1H

The 24 most recent collisions in SW1H happened between 6 April 2022 and 14 December 2025.

Severity

Crashes by road in SW1H

The A302 has the most collisions in SW1H, 366 of 726 (50%), followed by the A3214 (52).

Collisions in SW1H on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA302366416368
2ndA3214526305
3rdB323242403
4thB3263501

Council area for SW1H

SW1H is in Westminster, where police recorded 101,118 collisions from 1979 to 2025. SW1H accounts for 0.7% of them.

Town in SW1H

All 726 collisions in SW1H were in City of Westminster.