Skip to main content
CrashStats

Dacorum road accidents in 2023: crash map and statistics

Police recorded 193 road traffic collisions in Dacorum in 2023, and 273 people were killed or injured in them. Of those collisions, 2 were fatal and 47 were serious.

Collisions were up 3% on 2022 (187), and casualties rose from 262.

Across all years from 1979 to 2025, police recorded 20,193 collisions in Dacorum.

Collisions in 2023
193
Up 3% on 2022
Casualties in 2023
273
Up 4% on 2022
Fatal collisions
2
1% of collisions
Serious collisions
47
24% of collisions

Crash severity in Dacorum in 2023

1% of collisions in Dacorum in 2023 were fatal and 24% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal21%
  • Serious4724%
  • Slight14475%

People hurt, by injury

  • Fatal20.7%
  • Serious4818%
  • Slight22382%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 2023 is highlighted, with 193, up 3% on 2022.

  • Collisions
  • Collisions in 2023: 193
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025161207
2024160205
2023193273
2022187262
2021171227
2020143189
2019201267
2018194259
2017238327
2016234325
2015233323
2014239344
2013238307
2012285382
2011329437
2010325445
2009308454
2008363507
2007403586
2006431622
2005434638
2004459712
2003475725
2002515776
2001591890
2000670999
1999592866
1998610907
1997611887
1996587944
1995561835
1994540719
1993555817
1992543769
1991500678
1990610860
1989611827
1988590816
1987592810
1986622826
1985527732
1984544773
1983519679
1982546760
1981564757
1980621845
1979568780

When and where crashes happen in Dacorum in 2023

Collisions by day of the week

  • Monday29 (15%)
  • Tuesday30 (16%)
  • Wednesday25 (13%)
  • Thursday35 (18%)
  • Friday30 (16%)
  • Saturday19 (9.8%)
  • Sunday25 (13%)

Collisions by time of day

  • 00:00 to 02:594 (2.1%)
  • 03:00 to 05:595 (2.6%)
  • 06:00 to 08:5925 (13%)
  • 09:00 to 11:5931 (16%)
  • 12:00 to 14:5937 (19%)
  • 15:00 to 17:5951 (26%)
  • 18:00 to 20:5931 (16%)
  • 21:00 to 23:599 (4.7%)

Collisions by month

  • January11 (5.7%)
  • February15 (7.8%)
  • March20 (10%)
  • April16 (8.3%)
  • May21 (11%)
  • June12 (6.2%)
  • July15 (7.8%)
  • August14 (7.3%)
  • September18 (9.3%)
  • October18 (9.3%)
  • November17 (8.8%)
  • December16 (8.3%)

Light conditions

  • Daylight145 (75%)
  • Dark, street lights lit33 (17%)
  • Dark, no street lighting8 (4.1%)
  • Dark, lighting unknown5 (2.6%)
  • Dark, street lights unlit2 (1%)

Weather at the time

  • Fine, no high winds162 (84%)
  • Raining, no high winds22 (11%)
  • Fine with high winds1 (0.5%)
  • Fog or mist1 (0.5%)
  • Raining with high winds1 (0.5%)
  • Other6 (3.1%)

Road surface

  • Dry132 (68%)
  • Wet or damp41 (21%)
  • Frost or ice4 (2.1%)
  • Not recorded16 (8.3%)

Speed limit at the scene

  • 20 mph18 (9.3%)
  • 30 mph100 (52%)
  • 40 mph19 (9.8%)
  • 50 mph13 (6.7%)
  • 60 mph22 (11%)
  • 70 mph21 (11%)

Type of road

  • Single carriageway134 (69%)
  • Dual carriageway36 (19%)
  • Roundabout13 (6.7%)
  • One way street or slip road5 (2.6%)
  • Not recorded5 (2.6%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 2023

Casualties by road user

  • Car occupant179 (66%)
  • Pedestrian32 (12%)
  • Cyclist21 (7.7%)
  • Motorcyclist21 (7.7%)
  • Van occupant12 (4.4%)
  • Bus or coach occupant2 (0.7%)
  • Taxi or private hire car occupant2 (0.7%)
  • E-scooter or powered transporter user1 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.4%)
  • Mobility scooter rider1 (0.4%)
  • Other1 (0.4%)

Casualties by age

  • 0 to 51 (0.4%)
  • 6 to 106 (2.2%)
  • 11 to 1511 (4%)
  • 16 to 2023 (8.4%)
  • 21 to 2528 (10%)
  • 26 to 3560 (22%)
  • 36 to 4539 (14%)
  • 46 to 5536 (13%)
  • 56 to 6533 (12%)
  • 66 to 7519 (7%)
  • Over 7514 (5.1%)
  • Not recorded3 (1.1%)

Drivers, passengers and pedestrians

  • Driver or rider187 (68%)
  • Passenger54 (20%)
  • Pedestrian32 (12%)

Vehicles involved

  • Car269 (74%)
  • Van or goods vehicle up to 3.5 tonnes27 (7.4%)
  • Motorcycle23 (6.3%)
  • Pedal cycle21 (5.8%)
  • Goods vehicle over 3.5 tonnes7 (1.9%)
  • Goods vehicle, weight unknown5 (1.4%)
  • Taxi or private hire car4 (1.1%)
  • Bus or coach2 (0.5%)
  • Other vehicle2 (0.5%)
  • Mobility scooter1 (0.3%)
  • Not recorded4 (1.1%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 2023

Map of the last 24 crashes of 2023 and the 10 busiest accident hotspots in Dacorum

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Dacorum ranked among 351 areas in 2023

Of the 351 areas in England, Scotland and Wales, Dacorum had fewer road collisions than 195 of them in 2023.

Collisions
196th
of 351 areas, highest first
Casualties
177th
of 351 areas, highest first
Fatal collisions
227th
of 351 areas, highest first
Serious collisions
206th
of 351 areas, highest first

Accident hotspots in Dacorum in 2023

Adeyfield West, Dacorum, HP2 4BH area and Apsley and Corner Hall, Dacorum, HP3 9YT area were among the busiest accident hotspots in Dacorum in 2023, with 17 collisions each.

Roads in Dacorum with the most crashes in 2023

The A4251 had the most collisions in Dacorum in 2023: 20, including 8 serious.

Roads ranked by collisions in Dacorum, 2023
RankRoadCollisionsCasualtiesFatalSerious
1stA4251203108
2ndA414152313
3rdM1152901
4thA518391402
5thA4171202
6thA41475602
7thB4875602
8thA41464402
9thB4404703
10thB4863301
11thB45061101
12thB45401101
13thB46351100
14thB4891101
15thM251100

Towns in Dacorum: crashes in 2023

Hemel Hempstead had the most collisions of any town in Dacorum in 2023: 91.

Postcode districts in Dacorum: crashes in 2023

HP2 had the most collisions of any postcode district in Dacorum in 2023: 47.

Latest crashes in Dacorum in 2023

Of the last 24 crashes in Dacorum in 2023, none were fatal and 5 were serious. The last was on 30 December 2023.

Severity

Dacorum road accidents in other years