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CrashStats

Slough road accidents: crash map and statistics

Police recorded 20,313 road traffic collisions in Slough from 1979 to 2025, and 26,180 people were killed or injured in them. Of those collisions, 217 were fatal and 2,708 were serious.

In 2025 police recorded 229 collisions, up 10% on 2024 (209), and casualties rose from 235 to 276.

Collisions, 1979 to 2025
20,313
164th highest of 351 areas
Casualties
26,180
1.29 per collision
Fatal collisions
217
1.1% of collisions
Collisions in 2025
229
Up 10% on 2024

Crash severity in Slough

1.1% of collisions in Slough from 1979 to 2025 were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by worst injury

  • Fatal2171.1%
  • Serious2,70813%
  • Slight17,38886%

People hurt, by injury

  • Fatal2270.9%
  • Serious2,97411%
  • Slight22,97988%

Slough road accidents by year

Collisions and casualties in Slough, 1979 to 2025

Collisions peaked at 567 in 1984. In 2025 there were 229, up 10% on 2024.

  • Collisions
  • Collisions in 2025: 229
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025229276
2024209235
2023237279
2022235290
2021219260
2020200249
2019275331
2018285366
2017353473
2016416549
2015465627
2014433615
2013398578
2012414580
2011433596
2010452619
2009421572
2008459602
2007457602
2006451627
2005476594
2004441552
2003503668
2002537671
2001529702
2000513654
1999488651
1998520652
1997504673
1996489618
1995489629
1994452564
1993422531
1992411518
1991437544
1990449607
1989501632
1988514655
1987542666
1986525650
1985494609
1984567709
1983558685
1982488611
1981479586
1980445557
1979499666

When and where crashes happen in Slough

Collisions by day of the week

  • Monday2,861 (14%)
  • Tuesday3,074 (15%)
  • Wednesday3,025 (15%)
  • Thursday3,108 (15%)
  • Friday3,486 (17%)
  • Saturday2,669 (13%)
  • Sunday2,090 (10%)

Collisions by time of day

  • 00:00 to 02:59609 (3%)
  • 03:00 to 05:59310 (1.5%)
  • 06:00 to 08:592,723 (13%)
  • 09:00 to 11:592,474 (12%)
  • 12:00 to 14:593,445 (17%)
  • 15:00 to 17:595,092 (25%)
  • 18:00 to 20:593,670 (18%)
  • 21:00 to 23:591,990 (9.8%)

Collisions by month

  • January1,666 (8.2%)
  • February1,525 (7.5%)
  • March1,630 (8%)
  • April1,525 (7.5%)
  • May1,715 (8.4%)
  • June1,722 (8.5%)
  • July1,718 (8.5%)
  • August1,586 (7.8%)
  • September1,745 (8.6%)
  • October1,876 (9.2%)
  • November1,874 (9.2%)
  • December1,731 (8.5%)

Light conditions

  • Daylight14,308 (70%)
  • Dark, street lights lit5,629 (28%)
  • Dark, lighting unknown152 (0.7%)
  • Dark, no street lighting132 (0.6%)
  • Dark, street lights unlit89 (0.4%)
  • Not recorded3 (under 0.1%)

Weather at the time

  • Fine, no high winds16,614 (82%)
  • Raining, no high winds2,416 (12%)
  • Fine with high winds242 (1.2%)
  • Raining with high winds221 (1.1%)
  • Fog or mist75 (0.4%)
  • Snowing, no high winds64 (0.3%)
  • Snowing with high winds12 (0.1%)
  • Other464 (2.3%)
  • Not recorded205 (1%)

Road surface

  • Dry14,389 (71%)
  • Wet or damp5,514 (27%)
  • Frost or ice247 (1.2%)
  • Snow53 (0.3%)
  • Flood over 3cm deep9 (under 0.1%)
  • Mud1 (under 0.1%)
  • Oil or diesel1 (under 0.1%)
  • Not recorded99 (0.5%)

Speed limit at the scene

  • 20 mph180 (0.9%)
  • 30 mph14,364 (71%)
  • 40 mph2,774 (14%)
  • 50 mph93 (0.5%)
  • 60 mph605 (3%)
  • 70 mph2,293 (11%)
  • Not recorded4 (under 0.1%)

Type of road

  • Single carriageway13,001 (64%)
  • Dual carriageway5,283 (26%)
  • Roundabout1,612 (7.9%)
  • One way street or slip road411 (2%)
  • Not recorded6 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Who is hurt in road crashes in Slough

Casualties by road user

  • Car occupant15,359 (59%)
  • Pedestrian3,975 (15%)
  • Motorcyclist2,794 (11%)
  • Cyclist2,640 (10%)
  • Van occupant512 (2%)
  • Bus or coach occupant244 (0.9%)
  • Taxi or private hire car occupant234 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)210 (0.8%)
  • Minibus occupant92 (0.4%)
  • Other vehicle occupant69 (0.3%)
  • Other13 (under 0.1%)
  • Not recorded38 (0.1%)

Casualties by age

  • 0 to 5666 (2.5%)
  • 6 to 101,243 (4.7%)
  • 11 to 151,490 (5.7%)
  • 16 to 203,953 (15%)
  • 21 to 253,601 (14%)
  • 26 to 355,642 (22%)
  • 36 to 453,666 (14%)
  • 46 to 552,471 (9.4%)
  • 56 to 651,484 (5.7%)
  • 66 to 75790 (3%)
  • Over 75508 (1.9%)
  • Not recorded666 (2.5%)

Drivers, passengers and pedestrians

  • Driver or rider16,248 (62%)
  • Passenger5,957 (23%)
  • Pedestrian3,975 (15%)

Vehicles involved

  • Car29,764 (76%)
  • Motorcycle2,911 (7.4%)
  • Pedal cycle2,676 (6.8%)
  • Van or goods vehicle up to 3.5 tonnes1,534 (3.9%)
  • Goods vehicle over 3.5 tonnes1,118 (2.9%)
  • Taxi or private hire car405 (1%)
  • Bus or coach334 (0.9%)
  • Other vehicle163 (0.4%)
  • Minibus110 (0.3%)
  • Personal powered transporter (e-scooter or similar)45 (0.1%)
  • Other29 (0.1%)
  • Not recorded65 (0.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes and hotspots in Slough

Map of the 24 most recent crashes and the 10 busiest accident hotspots in Slough

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Slough ranks among 351 areas

Of the 351 areas in England, Scotland and Wales, Slough had the 164th most road collisions from 1979 to 2025.

Collisions
164th
highest of 351 areas
Casualties
171st
lowest of 351 areas
Fatal collisions
Joint 65th
lowest of 351 areas
Serious collisions
83rd
lowest of 351 areas
Areas ranked by collisions, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
161stMid Sussex20,63628,7503944,264
162ndCanterbury20,51527,2143543,817
163rdBassetlaw20,36429,1894924,801
164thSlough (this area)20,31326,1802172,708
165thDacorum20,19328,5752704,136
166thKing's Lynn and West Norfolk20,17429,8026155,013
167thHertsmere20,10427,8562883,202

Accident hotspots in Slough

Slough Central, Slough, SL1 1DL area is the busiest accident hotspot in Slough, with 1,272 collisions from 2001 to 2025, 3 of them fatal.

Roads in Slough with the most crashes

The A4 had the most collisions in Slough from 1979 to 2025: 4,663, including 50 fatal and 644 serious.

Roads ranked by collisions in Slough, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA44,6636,07150644
2ndM42,1403,43339212
3rdA3551,7872,24418216
4thA4125296971072
5thA332457600468
6thB470436535559
7thB416394503446
8thB3027154188020
9thB3765982311
10thA322253108
11thM25253204
12thB337891001
13thA3355701
14thA3292300
15thA2161800
16thA401200
17thA4161100
18thA4421100
19thB30221100
20thB4121100

Towns in Slough

Slough itself had the most collisions of any town in the area from 1979 to 2025: 16,407.

Postcode districts in Slough

SL1 had the most collisions of any postcode district in Slough from 1979 to 2025: 11,586.

Latest crashes in Slough

Of the latest 24 crashes in Slough, none were fatal and 2 were serious. The most recent was on 30 December 2025.

Severity