Skip to main content
CrashStats

Denham road accidents: crash map and statistics

Police recorded 169 road traffic collisions in Denham, Buckinghamshire, from 1979 to 2025, and 246 people were killed or injured in them. Of those collisions, 1 was fatal and 41 were serious.

In 2025 police recorded 1 collision, down from 3 in 2024.

Collisions since 1979
169
2,137th of 2,851 towns, highest first
Casualties
246
1.46 per collision
Fatal collisions
1
1 person killed
Serious collisions
41
55 seriously injured
Collisions in 2025
1
3 in 2024
Casualties in 2025
1
3 in 2024

Road collision statistics for Denham

Collisions by severity, 1979 to 2025

  • Fatal10.6%
  • Serious4124%
  • Slight12775%

What the data shows

  • Denham had 19 collisions from 2016 to 2025, 24% fewer than the 25 from 2006 to 2015.
  • 25% of collisions in Denham were fatal or serious, against 20% across Great Britain.
  • 30 children under 16 were killed or injured in Denham, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in Denham.

Where Denham ranks among 2,851 towns

Most collisions
2,137th
Most casualties
2,019th
Most fatal collisions
2,420th
Most serious collisions
1,948th

Collisions by day of the week

  • Monday34 (20%)
  • Tuesday14 (8.3%)
  • Wednesday34 (20%)
  • Thursday23 (14%)
  • Friday23 (14%)
  • Saturday19 (11%)
  • Sunday22 (13%)

Light conditions

  • Daylight109 (64%)
  • Dark, street lights lit50 (30%)
  • Dark, no street lighting6 (3.6%)
  • Dark, lighting unknown4 (2.4%)

Type of road

  • Dual carriageway108 (64%)
  • Single carriageway57 (34%)
  • One way street or slip road2 (1.2%)
  • Roundabout1 (0.6%)
  • Not recorded1 (0.6%)

Speed limit at the scene

  • 30 mph46 (27%)
  • 40 mph14 (8.3%)
  • 50 mph13 (7.7%)
  • 60 mph39 (23%)
  • 70 mph57 (34%)

Weather at the time

  • Fine, no high winds133 (79%)
  • Raining, no high winds17 (10%)
  • Fine with high winds3 (1.8%)
  • Raining with high winds3 (1.8%)
  • Fog or mist2 (1.2%)
  • Other6 (3.6%)
  • Not recorded5 (3%)

Who was hurt

  • Car occupant165 (67%)
  • Motorcyclist31 (13%)
  • Pedestrian30 (12%)
  • Cyclist11 (4.5%)
  • Van occupant4 (1.6%)
  • Bus or coach occupant3 (1.2%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.8%)

Source: Department for Transport, STATS19 road safety data

Denham road accidents by year

Collisions and casualties in Denham, 1979 to 2025

Collisions in Denham peaked at 10 in 1983; 2025 had 1.

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202433
202300
202211
202111
202044
201900
201834
201722
201644
201522
201412
201311
201237
201133
201011
200922
200855
200747
200634
200523
200448
200367
200247
200111
200046
199923
199844
1997813
199634
199522
199468
199357
1992512
199123
199045
198933
1988812
198748
198622
198545
198479
19831019
198259
19811014
198035
1979713

Map of recent crashes in Denham

Map of the 24 most recent crashes in Denham

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Denham

The 24 most recent collisions in Denham happened between 17 December 2012 and 17 June 2025.

Severity

Crashes by road in Denham

The A40 has the most collisions in Denham, 113 of 169 (67%), followed by the A412 (13).

Collisions in Denham on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA40113176135
2ndA412131404

Council area for Denham

Denham is in Buckinghamshire, where police recorded 72,942 collisions from 1979 to 2025. Denham accounts for 0.2% of them.

Postcode district for Denham

All 169 collisions in Denham were in the UB9 postcode district.