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CrashStats

SL2 road accidents: crash map and statistics

Police recorded 5,478 road traffic collisions in the SL2 postcode district, Slough, from 1979 to 2025, and 7,160 people were killed or injured in them. Of those collisions, 90 were fatal and 830 were serious.

In 2025 police recorded 66 collisions, up 25% on 2024 (53).

Collisions since 1979
5,478
437th highest of 2,813 postcode districts
Casualties
7,160
1.31 per collision
Fatal collisions
90
93 people killed
Serious collisions
830
952 seriously injured
Collisions in 2025
66
Up 25% on 2024
Casualties in 2025
82
Up 34% on 2024

Road collision statistics for SL2

Collisions by severity, 1979 to 2025

  • Fatal901.6%
  • Serious83015%
  • Slight4,55883%

What the data shows

  • SL2 had 638 collisions from 2016 to 2025, 41% fewer than the 1,078 from 2006 to 2015.
  • 17% of collisions in SL2 were fatal or serious, against 20% across Great Britain.
  • 1,187 children under 16 were killed or injured in SL2, 17% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in SL2.

Where SL2 ranks among 2,813 postcode districts

Most collisions
437th
Most casualties
453rd
Most fatal collisions
382nd
Most serious collisions
672nd

Collisions by day of the week

  • Monday792 (14%)
  • Tuesday758 (14%)
  • Wednesday800 (15%)
  • Thursday864 (16%)
  • Friday890 (16%)
  • Saturday729 (13%)
  • Sunday645 (12%)

Light conditions

  • Daylight3,804 (69%)
  • Dark, street lights lit1,176 (21%)
  • Dark, no street lighting401 (7.3%)
  • Dark, lighting unknown73 (1.3%)
  • Dark, street lights unlit23 (0.4%)
  • Not recorded1 (under 0.1%)

Type of road

  • Single carriageway4,612 (84%)
  • Dual carriageway596 (11%)
  • Roundabout229 (4.2%)
  • One way street or slip road34 (0.6%)
  • Not recorded7 (0.1%)

Speed limit at the scene

  • 20 mph40 (0.7%)
  • 30 mph3,717 (68%)
  • 40 mph812 (15%)
  • 50 mph49 (0.9%)
  • 60 mph698 (13%)
  • 70 mph160 (2.9%)
  • Not recorded2 (under 0.1%)

Weather at the time

  • Fine, no high winds4,433 (81%)
  • Raining, no high winds663 (12%)
  • Fine with high winds72 (1.3%)
  • Raining with high winds62 (1.1%)
  • Fog or mist29 (0.5%)
  • Snowing, no high winds23 (0.4%)
  • Snowing with high winds5 (0.1%)
  • Other145 (2.6%)
  • Not recorded46 (0.8%)

Who was hurt

  • Car occupant4,352 (61%)
  • Pedestrian1,188 (17%)
  • Cyclist672 (9.4%)
  • Motorcyclist630 (8.8%)
  • Van occupant127 (1.8%)
  • Taxi or private hire car occupant53 (0.7%)
  • Bus or coach occupant45 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)29 (0.4%)
  • Minibus occupant25 (0.3%)
  • Other vehicle occupant19 (0.3%)
  • Other5 (0.1%)
  • Not recorded15 (0.2%)

Source: Department for Transport, STATS19 road safety data

SL2 road accidents by year

Collisions and casualties in SL2, 1979 to 2025

Collisions in SL2 peaked at 180 in 1984; 2025 had 66.

  • Collisions
  • Collisions in 2025: 66
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20256682
20245361
20234955
20225063
20215366
20206277
20196486
20187089
201780103
201691111
2015111134
2014108144
201382106
2012109162
2011108149
2010111150
200999132
2008117158
2007123150
2006110148
2005122169
2004121152
2003102128
2002113142
2001126167
2000120157
1999146207
1998143190
1997115154
1996132175
1995111137
1994152196
1993127153
1992138185
1991142182
1990135182
1989149204
1988161224
1987144189
1986168226
1985160207
1984180217
1983171217
1982149198
1981143183
1980125162
1979167231

Map of recent crashes in SL2

Map of the 24 most recent crashes in SL2

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in SL2

The 24 most recent collisions in SL2 happened between 3 September and 7 December 2025.

Severity

Crashes by road in SL2

The B416 has the most collisions in SL2, 882 of 5,478 (16%), followed by the A355 (788).

Collisions in SL2 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stB4168821,22722130
2ndA3557881,06123126
3rdA412253352940
4thM40144206620
5thA44401

Council areas covering SL2

Collisions in SL2 were recorded in 2 council areas. Slough has 3,556 of 5,478 (65%).

Collisions in SL2 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSlough3,5564,40441523
2ndBuckinghamshire1,9222,75649307

Towns in SL2

Collisions in SL2 were recorded in 3 towns, led by Slough (3,327) and Farnham Common and Farnham Royal (552).