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CrashStats

Slough road accidents: crash map and statistics

Police recorded 17,488 road traffic collisions in Slough from 1979 to 2025, and 21,898 people were killed or injured in them. Of those collisions, 164 were fatal and 2,449 were serious.

In 2025 police recorded 208 collisions, up 10% on 2024 (189).

Collisions since 1979
17,488
73rd highest of 2,851 towns
Casualties
21,898
1.25 per collision
Fatal collisions
164
167 people killed
Serious collisions
2,449
2,658 seriously injured
Collisions in 2025
208
Up 10% on 2024
Casualties in 2025
253
Up 21% on 2024

Road collision statistics for Slough

Collisions by severity, 1979 to 2025

  • Fatal1640.9%
  • Serious2,44914%
  • Slight14,87585%

What the data shows

  • Slough had 2,310 collisions from 2016 to 2025, 36% fewer than the 3,596 from 2006 to 2015.
  • 15% of collisions in Slough were fatal or serious, against 20% across Great Britain.
  • 3,150 children under 16 were killed or injured in Slough, 15% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 29% of collisions in Slough.

Where Slough ranks among 2,851 towns

Most collisions
73rd
Most casualties
74th
Most fatal collisions
73rd
Most serious collisions
84th

Collisions by day of the week

  • Monday2,516 (14%)
  • Tuesday2,713 (16%)
  • Wednesday2,609 (15%)
  • Thursday2,651 (15%)
  • Friday2,944 (17%)
  • Saturday2,336 (13%)
  • Sunday1,719 (9.8%)

Light conditions

  • Daylight12,327 (70%)
  • Dark, street lights lit4,813 (28%)
  • Dark, lighting unknown143 (0.8%)
  • Dark, no street lighting127 (0.7%)
  • Dark, street lights unlit76 (0.4%)
  • Not recorded2 (under 0.1%)

Type of road

  • Single carriageway12,870 (74%)
  • Dual carriageway3,251 (19%)
  • Roundabout1,051 (6%)
  • One way street or slip road307 (1.8%)
  • Not recorded9 (0.1%)

Speed limit at the scene

  • 20 mph176 (1%)
  • 30 mph14,033 (80%)
  • 40 mph2,376 (14%)
  • 50 mph156 (0.9%)
  • 60 mph405 (2.3%)
  • 70 mph338 (1.9%)
  • Not recorded4 (under 0.1%)

Weather at the time

  • Fine, no high winds14,350 (82%)
  • Raining, no high winds2,034 (12%)
  • Fine with high winds210 (1.2%)
  • Raining with high winds187 (1.1%)
  • Snowing, no high winds59 (0.3%)
  • Fog or mist55 (0.3%)
  • Snowing with high winds11 (0.1%)
  • Other411 (2.4%)
  • Not recorded171 (1%)

Who was hurt

  • Car occupant11,825 (54%)
  • Pedestrian3,942 (18%)
  • Cyclist2,615 (12%)
  • Motorcyclist2,552 (12%)
  • Van occupant307 (1.4%)
  • Bus or coach occupant200 (0.9%)
  • Taxi or private hire car occupant194 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)101 (0.5%)
  • Minibus occupant62 (0.3%)
  • Other vehicle occupant52 (0.2%)
  • Other10 (under 0.1%)
  • Not recorded38 (0.2%)

Source: Department for Transport, STATS19 road safety data

Slough road accidents by year

Collisions and casualties in Slough, 1979 to 2025

Collisions in Slough peaked at 526 in 1984; 2025 had 208.

  • Collisions
  • Collisions in 2025: 208
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025208253
2024189209
2023210231
2022204258
2021199232
2020187234
2019236278
2018229286
2017305401
2016343438
2015387482
2014347451
2013334436
2012340442
2011366471
2010348458
2009345443
2008381474
2007365461
2006383523
2005393477
2004372455
2003410511
2002431535
2001411530
2000424523
1999382490
1998421526
1997390502
1996406509
1995387483
1994397491
1993376466
1992387486
1991395494
1990386491
1989479600
1988474597
1987508620
1986475588
1985457565
1984526656
1983519628
1982468583
1981448537
1980398477
1979462617

Map of recent crashes in Slough

Map of the 24 most recent crashes in Slough

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Slough

The 24 most recent collisions in Slough happened between 19 November and 30 December 2025.

Severity

Crashes by road in Slough

The A4 has the most collisions in Slough, 4,466 of 17,488 (26%), followed by the A355 (1,248).

Collisions in Slough on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA44,4665,79745618
2ndA3551,2481,56112156
3rdA412443571758
4thB470426526557
5thB416388493443
6thA332334412252
7thM4328496749
8thB3027154188020
9thB376374909
10thA322192406
11thB3026121711
12thB33787701
13thA3354601

Council areas covering Slough

Collisions in Slough were recorded in 3 council areas. Slough has 16,407 of 17,488 (94%).

Collisions in Slough by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSlough16,40720,4801532,273
2ndBuckinghamshire1,0361,34310171
3rdWindsor and Maidenhead447415

Postcode districts in Slough

Collisions in Slough were recorded in 5 postcode districts, led by SL1 (10,518) and SL2 (3,327).