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CrashStats

Dacorum road accidents in 2019: crash map and statistics

Police recorded 201 road traffic collisions in Dacorum in 2019, and 267 people were killed or injured in them. Of those collisions, 4 were fatal and 41 were serious.

Collisions were up 4% on 2018 (194), and casualties rose from 259.

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

Collisions in 2019
201
Up 4% on 2018
Casualties in 2019
267
Up 3% on 2018
Fatal collisions
4
2% of collisions
Serious collisions
41
20% of collisions

Crash severity in Dacorum in 2019

2% of collisions in Dacorum in 2019 were fatal and 20% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal42%
  • Serious4120%
  • Slight15678%

People hurt, by injury

  • Fatal41.5%
  • Serious4216%
  • Slight22183%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 2019 is highlighted, with 201, up 4% on 2018.

  • Collisions
  • Collisions in 2019: 201
  • 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 2019

Collisions by day of the week

  • Monday29 (14%)
  • Tuesday33 (16%)
  • Wednesday28 (14%)
  • Thursday41 (20%)
  • Friday32 (16%)
  • Saturday17 (8.5%)
  • Sunday21 (10%)

Collisions by time of day

  • 00:00 to 02:595 (2.5%)
  • 03:00 to 05:593 (1.5%)
  • 06:00 to 08:5929 (14%)
  • 09:00 to 11:5936 (18%)
  • 12:00 to 14:5935 (17%)
  • 15:00 to 17:5943 (21%)
  • 18:00 to 20:5943 (21%)
  • 21:00 to 23:597 (3.5%)

Collisions by month

  • January19 (9.5%)
  • February9 (4.5%)
  • March15 (7.5%)
  • April17 (8.5%)
  • May11 (5.5%)
  • June18 (9%)
  • July22 (11%)
  • August15 (7.5%)
  • September16 (8%)
  • October20 (10%)
  • November17 (8.5%)
  • December22 (11%)

Light conditions

  • Daylight146 (73%)
  • Dark, street lights lit34 (17%)
  • Dark, no street lighting15 (7.5%)
  • Dark, lighting unknown4 (2%)
  • Dark, street lights unlit2 (1%)

Weather at the time

  • Fine, no high winds160 (80%)
  • Raining, no high winds27 (13%)
  • Fine with high winds3 (1.5%)
  • Raining with high winds3 (1.5%)
  • Other5 (2.5%)
  • Not recorded3 (1.5%)

Road surface

  • Dry142 (71%)
  • Wet or damp55 (27%)
  • Frost or ice3 (1.5%)
  • Flood over 3cm deep1 (0.5%)

Speed limit at the scene

  • 20 mph1 (0.5%)
  • 30 mph109 (54%)
  • 40 mph29 (14%)
  • 50 mph12 (6%)
  • 60 mph24 (12%)
  • 70 mph26 (13%)

Type of road

  • Single carriageway144 (72%)
  • Dual carriageway35 (17%)
  • Roundabout13 (6.5%)
  • One way street or slip road7 (3.5%)
  • Not recorded2 (1%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 2019

Casualties by road user

  • Car occupant161 (60%)
  • Pedestrian33 (12%)
  • Motorcyclist27 (10%)
  • Cyclist24 (9%)
  • Van occupant16 (6%)
  • Mobility scooter rider2 (0.7%)
  • Taxi or private hire car occupant2 (0.7%)
  • Bus or coach occupant1 (0.4%)
  • Not recorded1 (0.4%)

Casualties by age

  • 0 to 53 (1.1%)
  • 6 to 103 (1.1%)
  • 11 to 1510 (3.7%)
  • 16 to 2024 (9%)
  • 21 to 2550 (19%)
  • 26 to 3545 (17%)
  • 36 to 4542 (16%)
  • 46 to 5536 (13%)
  • 56 to 6526 (9.7%)
  • 66 to 7516 (6%)
  • Over 758 (3%)
  • Not recorded4 (1.5%)

Drivers, passengers and pedestrians

  • Driver or rider189 (71%)
  • Passenger45 (17%)
  • Pedestrian33 (12%)

Vehicles involved

  • Car271 (72%)
  • Van or goods vehicle up to 3.5 tonnes34 (9%)
  • Motorcycle28 (7.4%)
  • Pedal cycle24 (6.3%)
  • Goods vehicle over 3.5 tonnes8 (2.1%)
  • Taxi or private hire car4 (1.1%)
  • Agricultural vehicle2 (0.5%)
  • Bus or coach2 (0.5%)
  • Goods vehicle, weight unknown2 (0.5%)
  • Mobility scooter2 (0.5%)
  • Other1 (0.3%)
  • Not recorded1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 2019

Map of the last 24 crashes of 2019 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 2019

Of the 351 areas in England, Scotland and Wales, Dacorum had fewer road collisions than 217 of them in 2019.

Collisions
218th
of 351 areas, highest first
Casualties
221st
of 351 areas, highest first
Fatal collisions
130th
highest of 351 areas
Serious collisions
229th
of 351 areas, highest first

Accident hotspots in Dacorum in 2019

Apsley and Corner Hall, Dacorum, HP3 9YT area and Hemel Hempstead Town, Dacorum, HP1 1BG area were among the busiest accident hotspots in Dacorum in 2019, with 14 collisions each.

Roads in Dacorum with the most crashes in 2019

The A41 had the most collisions in Dacorum in 2019: 18, including 2 fatal and 2 serious.

Roads ranked by collisions in Dacorum, 2019
RankRoadCollisionsCasualtiesFatalSerious
1stA41183022
2ndA414141902
3rdA4251111405
4thA4147101212
5thA41468912
6thB48781003
7thM181401
8thA518371000
9thB44061100
10thA4163401
11thB46352201
12thB4882400
13thA51100
14thB40091200
15thB45051100
16thB45061200
17thB4861200
18thM251100

Towns in Dacorum: crashes in 2019

Hemel Hempstead had the most collisions of any town in Dacorum in 2019: 87.

Postcode districts in Dacorum: crashes in 2019

HP2 had the most collisions of any postcode district in Dacorum in 2019: 50.

Latest crashes in Dacorum in 2019

Of the last 24 crashes in Dacorum in 2019, none were fatal and 2 were serious. The last was on 28 December 2019.

Severity

Dacorum road accidents in other years