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CrashStats

SL5 road accidents: crash map and statistics

Police recorded 2,972 road traffic collisions in the SL5 postcode district, Windsor and Maidenhead, from 1979 to 2025, and 3,972 people were killed or injured in them. Of those collisions, 46 were fatal and 536 were serious.

In 2025 police recorded 35 collisions, up from 17 in 2024.

Collisions since 1979
2,972
1,333rd highest of 2,813 postcode districts
Casualties
3,972
1.34 per collision
Fatal collisions
46
52 people killed
Serious collisions
536
627 seriously injured
Collisions in 2025
35
17 in 2024
Casualties in 2025
42
19 in 2024

Road collision statistics for SL5

Collisions by severity, 1979 to 2025

  • Fatal461.5%
  • Serious53618%
  • Slight2,39080%

What the data shows

  • SL5 had 312 collisions from 2016 to 2025, 41% fewer than the 525 from 2006 to 2015.
  • 20% of collisions in SL5 were fatal or serious, against 20% across Great Britain.
  • 310 children under 16 were killed or injured in SL5, 8% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in SL5.

Where SL5 ranks among 2,813 postcode districts

Most collisions
1,333rd
Most casualties
1,328th
Most fatal collisions
1,308th
Most serious collisions
1,389th

Collisions by day of the week

  • Monday395 (13%)
  • Tuesday445 (15%)
  • Wednesday457 (15%)
  • Thursday466 (16%)
  • Friday523 (18%)
  • Saturday364 (12%)
  • Sunday322 (11%)

Light conditions

  • Daylight2,079 (70%)
  • Dark, street lights lit589 (20%)
  • Dark, no street lighting254 (8.5%)
  • Dark, lighting unknown35 (1.2%)
  • Dark, street lights unlit14 (0.5%)
  • Not recorded1 (under 0.1%)

Type of road

  • Single carriageway2,721 (92%)
  • Roundabout126 (4.2%)
  • Dual carriageway117 (3.9%)
  • One way street or slip road3 (0.1%)
  • Not recorded5 (0.2%)

Speed limit at the scene

  • 20 mph29 (1%)
  • 30 mph1,051 (35%)
  • 40 mph911 (31%)
  • 50 mph50 (1.7%)
  • 60 mph925 (31%)
  • 70 mph5 (0.2%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,354 (79%)
  • Raining, no high winds378 (13%)
  • Raining with high winds36 (1.2%)
  • Fine with high winds34 (1.1%)
  • Fog or mist27 (0.9%)
  • Snowing, no high winds18 (0.6%)
  • Snowing with high winds5 (0.2%)
  • Other90 (3%)
  • Not recorded30 (1%)

Who was hurt

  • Car occupant2,648 (67%)
  • Motorcyclist531 (13%)
  • Pedestrian357 (9%)
  • Cyclist267 (6.7%)
  • Van occupant81 (2%)
  • Taxi or private hire car occupant27 (0.7%)
  • Minibus occupant23 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)19 (0.5%)
  • Other vehicle occupant7 (0.2%)
  • Bus or coach occupant5 (0.1%)
  • Other7 (0.2%)

Source: Department for Transport, STATS19 road safety data

SL5 road accidents by year

Collisions and casualties in SL5, 1979 to 2025

Collisions in SL5 peaked at 101 in 1984; 2025 had 35.

  • Collisions
  • Collisions in 2025: 35
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253542
20241719
20233139
20222125
20212734
20203338
20192527
20182330
20174962
20165170
20154560
20144254
20136289
20125468
20115664
20104468
20095482
20085369
20076186
20065474
20056791
20046184
20036290
20027898
20016992
200096123
19998398
199890131
19977298
199675103
199580107
19947496
19936889
199274100
19915881
19907197
198987119
198890115
198782115
198686117
198597116
1984101143
198381101
198297124
198177122
198088123
19797199

Map of recent crashes in SL5

Map of the 24 most recent crashes in SL5

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SL5

The 24 most recent collisions in SL5 happened between 1 May and 21 December 2025.

Severity

Crashes by road in SL5

The A329 has the most collisions in SL5, 919 of 2,972 (31%), followed by the A332 (391).

Collisions in SL5 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA3299191,24319147
2ndA3323915721273
3rdA30385527274
4thA330323436660
5thB383237328350
6thB3020100128114
7thB30176479011
8thB30343044011
9thA322192302

Council areas covering SL5

Collisions in SL5 were recorded in 4 council areas. Windsor and Maidenhead has 1,886 of 2,972 (63%).

Collisions in SL5 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWindsor and Maidenhead1,8862,46332324
2ndBracknell Forest8551,20612155
3rdRunnymede115142119
4thSurrey Heath110155136

Towns in SL5

Collisions in SL5 were recorded in 3 towns, led by Ascot (1,422) and North Ascot (541).