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CrashStats

TW4 road accidents: crash map and statistics

Police recorded 4,642 road traffic collisions in the TW4 postcode district, Hounslow, from 1982 to 2025, and 5,807 people were killed or injured in them. Of those collisions, 50 were fatal and 646 were serious.

In 2025 police recorded 62 collisions, down 23% on 2024 (80).

Collisions since 1982
4,642
669th highest of 2,813 postcode districts
Casualties
5,807
1.25 per collision
Fatal collisions
50
53 people killed
Serious collisions
646
732 seriously injured
Collisions in 2025
62
Down 23% on 2024
Casualties in 2025
71
Down 29% on 2024

Road collision statistics for TW4

Collisions by severity, 1982 to 2025

  • Fatal501.1%
  • Serious64614%
  • Slight3,94685%

What the data shows

  • TW4 had 705 collisions from 2016 to 2025, 8% fewer than the 767 from 2006 to 2015.
  • 15% of collisions in TW4 were fatal or serious, against 20% across Great Britain.
  • 645 children under 16 were killed or injured in TW4, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 24% of collisions in TW4.

Where TW4 ranks among 2,813 postcode districts

Most collisions
669th
Most casualties
750th
Most fatal collisions
1,189th
Most serious collisions
1,080th

Collisions by day of the week

  • Monday631 (14%)
  • Tuesday670 (14%)
  • Wednesday670 (14%)
  • Thursday676 (15%)
  • Friday836 (18%)
  • Saturday625 (13%)
  • Sunday534 (12%)

Light conditions

  • Daylight3,214 (69%)
  • Dark, street lights lit1,332 (29%)
  • Dark, lighting unknown77 (1.7%)
  • Dark, street lights unlit15 (0.3%)
  • Dark, no street lighting4 (0.1%)

Type of road

  • Single carriageway3,511 (76%)
  • Dual carriageway845 (18%)
  • Roundabout184 (4%)
  • One way street or slip road56 (1.2%)
  • Not recorded46 (1%)

Speed limit at the scene

  • 20 mph186 (4%)
  • 30 mph3,675 (79%)
  • 40 mph644 (14%)
  • 50 mph90 (1.9%)
  • 60 mph30 (0.6%)
  • 70 mph16 (0.3%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds3,733 (80%)
  • Raining, no high winds578 (12%)
  • Fine with high winds51 (1.1%)
  • Raining with high winds36 (0.8%)
  • Snowing, no high winds14 (0.3%)
  • Fog or mist11 (0.2%)
  • Snowing with high winds2 (under 0.1%)
  • Other72 (1.6%)
  • Not recorded145 (3.1%)

Who was hurt

  • Car occupant3,182 (55%)
  • Pedestrian974 (17%)
  • Motorcyclist705 (12%)
  • Cyclist499 (8.6%)
  • Bus or coach occupant185 (3.2%)
  • Van occupant167 (2.9%)
  • Taxi or private hire car occupant35 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)23 (0.4%)
  • Other vehicle occupant17 (0.3%)
  • Minibus occupant15 (0.3%)
  • Not recorded5 (0.1%)

Source: Department for Transport, STATS19 road safety data

TW4 road accidents by year

Collisions and casualties in TW4, 1982 to 2025

Collisions in TW4 peaked at 163 in 1987; 2025 had 62.

  • Collisions
  • Collisions in 2025: 62
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20256271
202480100
20236983
20225363
20215968
20205966
20197283
20186975
201799124
201683101
2015101119
201498122
20136073
20126677
20116077
20106686
20097896
20086788
200779108
200692113
200594114
200491111
200391125
2002106153
2001115155
2000117148
1999101127
1998136167
1997126159
1996135170
1995151184
1994133158
1993137174
1992142189
1991156178
1990140183
1989145179
1988152185
1987163214
1986140189
1985149185
1984153198
1983144177
1982153192

Map of recent crashes in TW4

Map of the 24 most recent crashes in TW4

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in TW4

The 24 most recent collisions in TW4 happened between 23 July and 31 December 2025.

Severity

Crashes by road in TW4

The A3006 has the most collisions in TW4, 808 of 4,642 (17%), followed by the A315 (785).

Collisions in TW4 on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA30068081,004795
2ndA31578597811123
3rdA314533659591
4thA3063434535359
5thA30431611864
6thA312375485250
7thA4254325534
8thA4127122142019
9thB358333826

Council areas covering TW4

Collisions in TW4 were recorded in 3 council areas. Hounslow has 4,063 of 4,642 (88%).

Collisions in TW4 by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHounslow4,0635,09344548
2ndRichmond upon Thames575710698
3rdHillingdon3300

Towns in TW4

Collisions in TW4 were recorded in 2 towns, led by Hounslow (3,971) and Richmond upon Thames (348).