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CrashStats

Windsor and Maidenhead road accidents in 2021: crash map and statistics

Police recorded 176 road traffic collisions in Windsor and Maidenhead in 2021, and 203 people were killed or injured in them. Of those collisions, 2 were fatal and 31 were serious.

Collisions were up 26% on 2020 (140), and casualties rose from 158.

Across all years from 1979 to 2025, police recorded 21,086 collisions in Windsor and Maidenhead.

Collisions in 2021
176
Up 26% on 2020
Casualties in 2021
203
Up 28% on 2020
Fatal collisions
2
1.1% of collisions
Serious collisions
31
18% of collisions

Crash severity in Windsor and Maidenhead in 2021

1.1% of collisions in Windsor and Maidenhead in 2021 were fatal and 18% serious, against 1.8% and 16% in Windsor and Maidenhead from 1979 to 2025.

Collisions by worst injury

  • Fatal21.1%
  • Serious3118%
  • Slight14381%

People hurt, by injury

  • Fatal21%
  • Serious3216%
  • Slight16983%

Windsor and Maidenhead road accidents by year

Collisions and casualties in Windsor and Maidenhead, 1979 to 2025

Collisions peaked at 694 in 1986. 2021 is highlighted, with 176, up 26% on 2020.

  • Collisions
  • Collisions in 2021: 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 in 2021

Collisions by day of the week

  • Monday16 (9.1%)
  • Tuesday25 (14%)
  • Wednesday27 (15%)
  • Thursday20 (11%)
  • Friday27 (15%)
  • Saturday36 (20%)
  • Sunday25 (14%)

Collisions by time of day

  • 00:00 to 02:594 (2.3%)
  • 03:00 to 05:594 (2.3%)
  • 06:00 to 08:5923 (13%)
  • 09:00 to 11:5935 (20%)
  • 12:00 to 14:5933 (19%)
  • 15:00 to 17:5946 (26%)
  • 18:00 to 20:5921 (12%)
  • 21:00 to 23:5910 (5.7%)

Collisions by month

  • January7 (4%)
  • February6 (3.4%)
  • March10 (5.7%)
  • April17 (9.7%)
  • May13 (7.4%)
  • June20 (11%)
  • July17 (9.7%)
  • August13 (7.4%)
  • September21 (12%)
  • October20 (11%)
  • November13 (7.4%)
  • December19 (11%)

Light conditions

  • Daylight141 (80%)
  • Dark, street lights lit24 (14%)
  • Dark, no street lighting10 (5.7%)
  • Dark, lighting unknown1 (0.6%)

Weather at the time

  • Fine, no high winds160 (91%)
  • Raining, no high winds13 (7.4%)
  • Fine with high winds2 (1.1%)
  • Raining with high winds1 (0.6%)

Road surface

  • Dry142 (81%)
  • Wet or damp33 (19%)
  • Frost or ice1 (0.6%)

Speed limit at the scene

  • 20 mph5 (2.8%)
  • 30 mph94 (53%)
  • 40 mph33 (19%)
  • 50 mph18 (10%)
  • 60 mph11 (6.3%)
  • 70 mph15 (8.5%)

Type of road

  • Single carriageway125 (71%)
  • Dual carriageway28 (16%)
  • Roundabout17 (9.7%)
  • One way street or slip road6 (3.4%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Windsor and Maidenhead in 2021

Casualties by road user

  • Car occupant109 (54%)
  • Cyclist38 (19%)
  • Pedestrian24 (12%)
  • Motorcyclist21 (10%)
  • Van occupant5 (2.5%)
  • Taxi or private hire car occupant4 (2%)
  • Horse rider1 (0.5%)
  • Mobility scooter rider1 (0.5%)

Casualties by age

  • 0 to 55 (2.5%)
  • 6 to 107 (3.4%)
  • 11 to 156 (3%)
  • 16 to 2010 (4.9%)
  • 21 to 2521 (10%)
  • 26 to 3537 (18%)
  • 36 to 4536 (18%)
  • 46 to 5529 (14%)
  • 56 to 6524 (12%)
  • 66 to 7513 (6.4%)
  • Over 759 (4.4%)
  • Not recorded6 (3%)

Drivers, passengers and pedestrians

  • Driver or rider156 (77%)
  • Pedestrian24 (12%)
  • Passenger23 (11%)

Vehicles involved

  • Car216 (66%)
  • Pedal cycle41 (13%)
  • Van or goods vehicle up to 3.5 tonnes25 (7.7%)
  • Motorcycle22 (6.8%)
  • Taxi or private hire car7 (2.2%)
  • Goods vehicle over 3.5 tonnes5 (1.5%)
  • Goods vehicle, weight unknown3 (0.9%)
  • Other vehicle2 (0.6%)
  • Agricultural vehicle1 (0.3%)
  • Ridden horse1 (0.3%)
  • Other2 (0.6%)

Source: Department for Transport, STATS19 road safety data

Crash map for Windsor and Maidenhead in 2021

Map of the last 24 crashes of 2021 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
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

How Windsor and Maidenhead ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Windsor and Maidenhead had fewer road collisions than 212 of them in 2021.

Collisions
213th
of 350 areas, highest first
Casualties
241st
of 350 areas, highest first
Fatal collisions
212th
of 350 areas, highest first
Serious collisions
266th
of 350 areas, highest first

Accident hotspots in Windsor and Maidenhead in 2021

Eton & Castle, Windsor and Maidenhead, SL4 1RY area was the busiest accident hotspot in Windsor and Maidenhead in 2021, with 16 collisions.

Roads in Windsor and Maidenhead with the most crashes in 2021

The A308 had the most collisions in Windsor and Maidenhead in 2021: 24, including 5 serious.

Roads ranked by collisions in Windsor and Maidenhead, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA308243005
2ndM4111300
3rdA329101204
4thA3329903
5thB30249902
6thB44478901
7thA47901
8thA404(M)71301
9thA3306600
10thA4046601
11thA3224401
12thB3763301
13thB4703312
14thB30222300
15thB30282201
16thM252200
17thA301100
18thA308(M)1100
19thA41301101
20thB30201300

Towns in Windsor and Maidenhead: crashes in 2021

Maidenhead had the most collisions of any town in Windsor and Maidenhead in 2021: 45.

Postcode districts in Windsor and Maidenhead: crashes in 2021

SL6 had the most collisions of any postcode district in Windsor and Maidenhead in 2021: 80.

Latest crashes in Windsor and Maidenhead in 2021

Of the last 24 crashes in Windsor and Maidenhead in 2021, 1 was fatal and 6 were serious. The last was on 30 December 2021.

Severity

Windsor and Maidenhead road accidents in other years