Skip to main content
CrashStats

Windsor and Maidenhead road accidents: crash map and statistics

Police recorded 21,086 road traffic collisions in Windsor and Maidenhead from 1979 to 2025, and 27,541 people were killed or injured in them. Of those collisions, 370 were fatal and 3,369 were serious.

In 2025 police recorded 176 collisions, up 18% on 2024 (149), and casualties rose from 179 to 213.

Collisions, 1979 to 2025
21,086
155th highest of 351 areas
Casualties
27,541
1.31 per collision
Fatal collisions
370
1.8% of collisions
Collisions in 2025
176
Up 18% on 2024

Crash severity in Windsor and Maidenhead

1.8% of collisions in Windsor and Maidenhead from 1979 to 2025 were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by worst injury

  • Fatal3701.8%
  • Serious3,36916%
  • Slight17,34782%

People hurt, by injury

  • Fatal4121.5%
  • Serious3,90414%
  • Slight23,22584%

Windsor and Maidenhead road accidents by year

Collisions and casualties in Windsor and Maidenhead, 1979 to 2025

Collisions peaked at 694 in 1986. In 2025 there were 176, up 18% on 2024.

  • Collisions
  • Collisions in 2025: 176
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025176213
2024149179
2023189215
2022195240
2021176203
2020140158
2019214252
2018215286
2017267346
2016352436
2015338440
2014353458
2013364494
2012385515
2011375492
2010345459
2009373526
2008438577
2007430590
2006472593
2005406534
2004459613
2003454609
2002495627
2001546733
2000583716
1999544691
1998557727
1997534704
1996511686
1995565752
1994535701
1993456605
1992519692
1991506691
1990543720
1989587799
1988559737
1987594781
1986694896
1985672839
1984693914
1983630820
1982679887
1981624830
1980589762
1979606803

When and where crashes happen in Windsor and Maidenhead

Collisions by day of the week

  • Monday2,945 (14%)
  • Tuesday3,113 (15%)
  • Wednesday3,232 (15%)
  • Thursday3,166 (15%)
  • Friday3,572 (17%)
  • Saturday2,691 (13%)
  • Sunday2,367 (11%)

Collisions by time of day

  • 00:00 to 02:59855 (4.1%)
  • 03:00 to 05:59397 (1.9%)
  • 06:00 to 08:593,316 (16%)
  • 09:00 to 11:592,927 (14%)
  • 12:00 to 14:593,287 (16%)
  • 15:00 to 17:594,729 (22%)
  • 18:00 to 20:593,413 (16%)
  • 21:00 to 23:592,162 (10%)

Collisions by month

  • January1,720 (8.2%)
  • February1,431 (6.8%)
  • March1,625 (7.7%)
  • April1,572 (7.5%)
  • May1,806 (8.6%)
  • June1,933 (9.2%)
  • July1,892 (9%)
  • August1,686 (8%)
  • September1,828 (8.7%)
  • October1,964 (9.3%)
  • November1,948 (9.2%)
  • December1,681 (8%)

Light conditions

  • Daylight14,890 (71%)
  • Dark, street lights lit4,091 (19%)
  • Dark, no street lighting1,809 (8.6%)
  • Dark, lighting unknown201 (1%)
  • Dark, street lights unlit88 (0.4%)
  • Not recorded7 (under 0.1%)

Weather at the time

  • Fine, no high winds17,093 (81%)
  • Raining, no high winds2,435 (12%)
  • Fine with high winds267 (1.3%)
  • Raining with high winds242 (1.1%)
  • Fog or mist176 (0.8%)
  • Snowing, no high winds83 (0.4%)
  • Snowing with high winds12 (0.1%)
  • Other592 (2.8%)
  • Not recorded186 (0.9%)

Road surface

  • Dry14,366 (68%)
  • Wet or damp6,100 (29%)
  • Frost or ice414 (2%)
  • Snow77 (0.4%)
  • Flood over 3cm deep34 (0.2%)
  • Mud7 (under 0.1%)
  • Oil or diesel7 (under 0.1%)
  • Not recorded81 (0.4%)

Speed limit at the scene

  • 20 mph139 (0.7%)
  • 30 mph10,469 (50%)
  • 40 mph2,990 (14%)
  • 50 mph548 (2.6%)
  • 60 mph3,814 (18%)
  • 70 mph3,122 (15%)
  • Not recorded4 (under 0.1%)

Type of road

  • Single carriageway14,558 (69%)
  • Dual carriageway3,669 (17%)
  • Roundabout2,306 (11%)
  • One way street or slip road543 (2.6%)
  • Not recorded10 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Who is hurt in road crashes in Windsor and Maidenhead

Casualties by road user

  • Car occupant16,900 (61%)
  • Motorcyclist3,643 (13%)
  • Cyclist2,898 (11%)
  • Pedestrian2,715 (9.9%)
  • Van occupant684 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)217 (0.8%)
  • Taxi or private hire car occupant170 (0.6%)
  • Minibus occupant111 (0.4%)
  • Bus or coach occupant91 (0.3%)
  • Other vehicle occupant88 (0.3%)
  • Other21 (0.1%)
  • Not recorded3 (under 0.1%)

Casualties by age

  • 0 to 5476 (1.7%)
  • 6 to 10726 (2.6%)
  • 11 to 151,436 (5.2%)
  • 16 to 205,201 (19%)
  • 21 to 253,819 (14%)
  • 26 to 355,333 (19%)
  • 36 to 453,661 (13%)
  • 46 to 552,738 (9.9%)
  • 56 to 651,682 (6.1%)
  • 66 to 75993 (3.6%)
  • Over 75712 (2.6%)
  • Not recorded764 (2.8%)

Drivers, passengers and pedestrians

  • Driver or rider18,758 (68%)
  • Passenger6,068 (22%)
  • Pedestrian2,715 (9.9%)

Vehicles involved

  • Car29,591 (74%)
  • Motorcycle3,677 (9.2%)
  • Pedal cycle2,958 (7.4%)
  • Van or goods vehicle up to 3.5 tonnes1,602 (4%)
  • Goods vehicle over 3.5 tonnes995 (2.5%)
  • Taxi or private hire car316 (0.8%)
  • Bus or coach246 (0.6%)
  • Other vehicle222 (0.6%)
  • Minibus116 (0.3%)
  • Agricultural vehicle15 (under 0.1%)
  • Other30 (0.1%)
  • Not recorded73 (0.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes and hotspots in Windsor and Maidenhead

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

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Windsor and Maidenhead ranks among 351 areas

Of the 351 areas in England, Scotland and Wales, Windsor and Maidenhead had the 155th most road collisions from 1979 to 2025.

Collisions
155th
highest of 351 areas
Casualties
166th
highest of 351 areas
Fatal collisions
Joint 154th
highest of 351 areas
Serious collisions
144th
lowest of 351 areas
Areas ranked by collisions, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
152ndElmbridge21,47427,6382233,430
153rdStockton-on-Tees21,37128,4203793,284
154thOxford21,14624,5841883,822
155thWindsor and Maidenhead (this area)21,08627,5413703,369
156thPowys20,84330,9376856,054
157thMiddlesbrough20,82326,8452722,902
158thLancaster20,79628,4574024,467

Accident hotspots in Windsor and Maidenhead

St Mary's, Windsor and Maidenhead, SL6 1LD area is the busiest accident hotspot in Windsor and Maidenhead, with 700 collisions from 2001 to 2025, 5 of them fatal.

Roads in Windsor and Maidenhead with the most crashes

The A308 had the most collisions in Windsor and Maidenhead from 1979 to 2025: 2,830, including 53 fatal and 428 serious.

Roads ranked by collisions in Windsor and Maidenhead, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA3082,8303,63653428
2ndM42,0363,10864270
3rdA41,5671,90817227
4thA3328951,29927151
5thB30248851,0818160
6thA3307861,10414144
7thB37671395013143
8thB30226688717101
9thA32965384813103
10thB44475717101297
11thA4044556111076
12thB4704525661080
13thA4094235325435
14thA30228321432
15thA308(M)223272214
16thA4232203661561
17thA404(M)210304523
18thB3026210276345
19thA4130205293440
20thB3021173227525

Towns in Windsor and Maidenhead

Maidenhead had the most collisions of any town in Windsor and Maidenhead from 1979 to 2025: 5,544.

Postcode districts in Windsor and Maidenhead

SL6 had the most collisions of any postcode district in Windsor and Maidenhead from 1979 to 2025: 10,311.

Latest crashes in Windsor and Maidenhead

Of the latest 24 crashes in Windsor and Maidenhead, none were fatal and 6 were serious. The most recent was on 21 December 2025.

Severity