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CrashStats

TW20 road accidents: crash map and statistics

Collisions since 1979
4,733
639th highest of 2,813 postcode districts
Casualties
6,468
1.37 per collision
Fatal collisions
58
65 people killed
Serious collisions
744
861 seriously injured
Collisions in 2025
58
Level with 2024
Casualties in 2025
78
Up 7% on 2024

Road collision statistics for TW20

Collisions by severity, 1979 to 2025

  • Fatal581.2%
  • Serious74416%
  • Slight3,93183%

What the data shows

  • TW20 had 656 collisions from 2016 to 2025, 35% fewer than the 1,013 from 2006 to 2015.
  • 17% of collisions in TW20 were fatal or serious, against 20% across Great Britain.
  • 495 children under 16 were killed or injured in TW20, 7.9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 32% of collisions in TW20.

Where TW20 ranks among 2,813 postcode districts

Most collisions
639th
Most casualties
598th
Most fatal collisions
978th
Most serious collisions
858th

Collisions by day of the week

  • Monday654 (14%)
  • Tuesday701 (15%)
  • Wednesday729 (15%)
  • Thursday661 (14%)
  • Friday883 (19%)
  • Saturday575 (12%)
  • Sunday530 (11%)

Light conditions

  • Daylight3,254 (69%)
  • Dark, street lights lit1,128 (24%)
  • Dark, no street lighting191 (4%)
  • Dark, lighting unknown139 (2.9%)
  • Dark, street lights unlit20 (0.4%)
  • Not recorded1 (under 0.1%)

Type of road

  • Single carriageway2,589 (55%)
  • Dual carriageway1,431 (30%)
  • Roundabout415 (8.8%)
  • One way street or slip road212 (4.5%)
  • Not recorded86 (1.8%)

Speed limit at the scene

  • 20 mph18 (0.4%)
  • 30 mph1,958 (41%)
  • 40 mph926 (20%)
  • 50 mph235 (5%)
  • 60 mph491 (10%)
  • 70 mph1,105 (23%)

Weather at the time

  • Fine, no high winds3,609 (76%)
  • Raining, no high winds588 (12%)
  • Fine with high winds82 (1.7%)
  • Raining with high winds52 (1.1%)
  • Snowing, no high winds31 (0.7%)
  • Fog or mist30 (0.6%)
  • Snowing with high winds2 (under 0.1%)
  • Other152 (3.2%)
  • Not recorded187 (4%)

Who was hurt

  • Car occupant4,275 (66%)
  • Motorcyclist695 (11%)
  • Cyclist670 (10%)
  • Pedestrian456 (7.1%)
  • Van occupant157 (2.4%)
  • Goods vehicle occupant (over 3.5 tonnes)84 (1.3%)
  • Bus or coach occupant55 (0.9%)
  • Minibus occupant31 (0.5%)
  • Other vehicle occupant21 (0.3%)
  • Taxi or private hire car occupant12 (0.2%)
  • Other10 (0.2%)
  • Not recorded2 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

TW20 road accidents by year

Collisions and casualties in TW20, 1979 to 2025

Collisions in TW20 peaked at 143 in 1989; 2025 had 58.

  • Collisions
  • Collisions in 2025: 58
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20255878
20245873
20237588
20227096
20214970
20204657
20196087
201872111
201782108
201686120
2015100157
2014117158
201397128
2012101136
201196129
201098145
200984117
2008104148
200793130
2006123176
2005117175
2004113160
2003133198
2002127201
2001103162
200091120
1999136184
1998117175
1997124167
1996129171
1995111155
199483116
199389112
1992106148
199198118
1990113155
1989143183
1988137182
1987136186
1986128150
1985115145
1984132167
1983103124
198290116
1981112146
198079106
197999134

Map of recent crashes in TW20

Map of the 24 most recent crashes in TW20

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in TW20

The 24 most recent collisions in TW20 happened between 29 August and 17 December 2025.

Severity

Crashes by road in TW20

The M25 has the most collisions in TW20, 1,111 of 4,733 (23%), followed by the A30 (949).

Collisions in TW20 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stM251,1111,75210131
2ndA309491,24523153
3rdB388455625882
4thA308258382443
5thB3407256307036
6thA328213273041
7thB3376208245140
8thM3112148214
9thB389384408

Council areas covering TW20

Collisions in TW20 were recorded in 5 council areas. Runnymede has 4,659 of 4,733 (98%).

Collisions in TW20 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stRunnymede4,6596,36755731
2ndElmbridge323407
3rdWindsor and Maidenhead222914
4thSurrey Heath6900
5thWoking4601

Towns in TW20

Collisions in TW20 were recorded in 4 towns, led by Egham (2,619) and Thorpe (108).