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CrashStats

Colnbrook road accidents: crash map and statistics

Police recorded 115 road traffic collisions in Colnbrook, Slough, from 1979 to 2025, and 142 people were killed or injured in them. Of those collisions, 2 were fatal and 24 were serious.

In 2025 police recorded 1 collision, the same number as in 2024.

Collisions since 1979
115
2,642nd of 2,851 towns, highest first
Casualties
142
1.23 per collision
Fatal collisions
2
2 people killed
Serious collisions
24
27 seriously injured
Collisions in 2025
1
1 in 2024
Casualties in 2025
1
1 in 2024

Road collision statistics for Colnbrook

Collisions by severity, 1979 to 2025

  • Fatal21.7%
  • Serious2421%
  • Slight8977%

What the data shows

  • Colnbrook had 19 collisions from 2016 to 2025, 12% more than the 17 from 2006 to 2015.
  • 23% of collisions in Colnbrook were fatal or serious, against 20% across Great Britain.
  • 20 children under 16 were killed or injured in Colnbrook, 14% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 24% of collisions in Colnbrook.

Where Colnbrook ranks among 2,851 towns

Most collisions
2,642nd
Most casualties
2,727th
Most fatal collisions
2,109th
Most serious collisions
2,570th

Collisions by day of the week

  • Monday15 (13%)
  • Tuesday17 (15%)
  • Wednesday15 (13%)
  • Thursday22 (19%)
  • Friday22 (19%)
  • Saturday9 (7.8%)
  • Sunday15 (13%)

Light conditions

  • Daylight76 (66%)
  • Dark, street lights lit33 (29%)
  • Dark, lighting unknown2 (1.7%)
  • Dark, no street lighting2 (1.7%)
  • Dark, street lights unlit2 (1.7%)

Type of road

  • Single carriageway112 (97%)
  • Dual carriageway1 (0.9%)
  • One way street or slip road1 (0.9%)
  • Roundabout1 (0.9%)

Speed limit at the scene

  • 20 mph2 (1.7%)
  • 30 mph95 (83%)
  • 40 mph2 (1.7%)
  • 50 mph1 (0.9%)
  • 60 mph15 (13%)

Weather at the time

  • Fine, no high winds98 (85%)
  • Raining, no high winds12 (10%)
  • Fine with high winds1 (0.9%)
  • Snowing with high winds1 (0.9%)
  • Other2 (1.7%)
  • Not recorded1 (0.9%)

Who was hurt

  • Car occupant69 (49%)
  • Pedestrian34 (24%)
  • Motorcyclist17 (12%)
  • Cyclist15 (11%)
  • Bus or coach occupant5 (3.5%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.7%)
  • Van occupant1 (0.7%)

Source: Department for Transport, STATS19 road safety data

Colnbrook road accidents by year

Collisions and casualties in Colnbrook, 1979 to 2025

Collisions in Colnbrook peaked at 10 in 1987; 2025 had 1.

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202311
202234
202133
202000
201911
201822
201722
201655
201511
201400
201315
201233
201123
201012
200922
200822
200734
200622
200511
200411
200312
200255
200133
200000
199944
199823
199712
199622
199522
1994610
199311
199222
199111
199035
198933
198822
19871016
198635
198578
198433
198300
198244
198155
198022
197956

Map of recent crashes in Colnbrook

Map of the 24 most recent crashes in Colnbrook

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in Colnbrook

The 24 most recent collisions in Colnbrook happened between 26 July 2012 and 22 May 2025.

Severity

Crashes by road in Colnbrook

The A4 has the most collisions in Colnbrook, 16 of 115 (14%), followed by the B3378 (5).

Collisions in Colnbrook on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4162616
2ndB33785602

Council areas covering Colnbrook

Collisions in Colnbrook were recorded in 3 council areas. Slough has 57 of 115 (50%).

Collisions in Colnbrook by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSlough576829
2ndBuckinghamshire5266015
3rdSpelthorne4400

Postcode district for Colnbrook

All 115 collisions in Colnbrook were in the SL3 postcode district.