Skip to main content
CrashStats

Dacorum road accidents in 2018: crash map and statistics

Police recorded 194 road traffic collisions in Dacorum in 2018, and 259 people were killed or injured in them. Of those collisions, 4 were fatal and 44 were serious.

Collisions were down 18% on 2017 (238), and casualties fell from 327.

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

Collisions in 2018
194
Down 18% on 2017
Casualties in 2018
259
Down 21% on 2017
Fatal collisions
4
2.1% of collisions
Serious collisions
44
23% of collisions

Crash severity in Dacorum in 2018

2.1% of collisions in Dacorum in 2018 were fatal and 23% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal42.1%
  • Serious4423%
  • Slight14675%

People hurt, by injury

  • Fatal41.5%
  • Serious4618%
  • Slight20981%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 2018 is highlighted, with 194, down 18% on 2017.

  • Collisions
  • Collisions in 2018: 194
  • 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 2018

Collisions by day of the week

  • Monday24 (12%)
  • Tuesday23 (12%)
  • Wednesday38 (20%)
  • Thursday32 (16%)
  • Friday30 (15%)
  • Saturday31 (16%)
  • Sunday16 (8.2%)

Collisions by time of day

  • 00:00 to 02:598 (4.1%)
  • 03:00 to 05:595 (2.6%)
  • 06:00 to 08:5931 (16%)
  • 09:00 to 11:5936 (19%)
  • 12:00 to 14:5930 (15%)
  • 15:00 to 17:5953 (27%)
  • 18:00 to 20:5919 (9.8%)
  • 21:00 to 23:5912 (6.2%)

Collisions by month

  • January24 (12%)
  • February14 (7.2%)
  • March17 (8.8%)
  • April13 (6.7%)
  • May15 (7.7%)
  • June15 (7.7%)
  • July20 (10%)
  • August22 (11%)
  • September20 (10%)
  • October13 (6.7%)
  • November14 (7.2%)
  • December7 (3.6%)

Light conditions

  • Daylight151 (78%)
  • Dark, street lights lit29 (15%)
  • Dark, no street lighting6 (3.1%)
  • Dark, lighting unknown5 (2.6%)
  • Dark, street lights unlit3 (1.5%)

Weather at the time

  • Fine, no high winds164 (85%)
  • Raining, no high winds19 (9.8%)
  • Raining with high winds2 (1%)
  • Fine with high winds1 (0.5%)
  • Snowing, no high winds1 (0.5%)
  • Other5 (2.6%)
  • Not recorded2 (1%)

Road surface

  • Dry151 (78%)
  • Wet or damp41 (21%)
  • Frost or ice1 (0.5%)
  • Snow1 (0.5%)

Speed limit at the scene

  • 30 mph120 (62%)
  • 40 mph19 (9.8%)
  • 50 mph7 (3.6%)
  • 60 mph21 (11%)
  • 70 mph27 (14%)

Type of road

  • Single carriageway132 (68%)
  • Dual carriageway33 (17%)
  • Roundabout23 (12%)
  • One way street or slip road4 (2.1%)
  • Not recorded2 (1%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 2018

Casualties by road user

  • Car occupant159 (61%)
  • Pedestrian35 (14%)
  • Cyclist30 (12%)
  • Motorcyclist20 (7.7%)
  • Van occupant7 (2.7%)
  • Other vehicle occupant3 (1.2%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.8%)
  • Goods vehicle occupant (weight unknown)2 (0.8%)
  • Mobility scooter rider1 (0.4%)

Casualties by age

  • 0 to 53 (1.2%)
  • 6 to 107 (2.7%)
  • 11 to 1511 (4.2%)
  • 16 to 2019 (7.3%)
  • 21 to 2532 (12%)
  • 26 to 3559 (23%)
  • 36 to 4536 (14%)
  • 46 to 5530 (12%)
  • 56 to 6523 (8.9%)
  • 66 to 7512 (4.6%)
  • Over 7513 (5%)
  • Not recorded14 (5.4%)

Drivers, passengers and pedestrians

  • Driver or rider183 (71%)
  • Passenger41 (16%)
  • Pedestrian35 (14%)

Vehicles involved

  • Car284 (74%)
  • Pedal cycle30 (7.8%)
  • Motorcycle23 (6%)
  • Van or goods vehicle up to 3.5 tonnes20 (5.2%)
  • Goods vehicle, weight unknown10 (2.6%)
  • Goods vehicle over 3.5 tonnes9 (2.3%)
  • Other vehicle4 (1%)
  • Bus or coach1 (0.3%)
  • Mobility scooter1 (0.3%)
  • Not recorded2 (0.5%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 2018

Map of the last 24 crashes of 2018 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
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

How Dacorum ranked among 351 areas in 2018

Of the 351 areas in England, Scotland and Wales, Dacorum had fewer road collisions than 232 of them in 2018.

Collisions
233rd
of 351 areas, highest first
Casualties
239th
of 351 areas, highest first
Fatal collisions
136th
highest of 351 areas
Serious collisions
211th
of 351 areas, highest first

Accident hotspots in Dacorum in 2018

Hemel Hempstead Town, Dacorum, HP1 1BG area was the busiest accident hotspot in Dacorum in 2018, with 17 collisions, 1 of them fatal.

Roads in Dacorum with the most crashes in 2018

The A4251 had the most collisions in Dacorum in 2018: 18, including 4 serious.

Roads ranked by collisions in Dacorum, 2018
RankRoadCollisionsCasualtiesFatalSerious
1stA4251182304
2ndM1153000
3rdA41121804
4thB487111613
5thA414681002
6thA41478802
7thA4146613
8thA51836703
9thB4403301
10thA52201
11thM252200
12thB45051100
13thB46351100
14thB4891100

Towns in Dacorum: crashes in 2018

Hemel Hempstead had the most collisions of any town in Dacorum in 2018: 93.

Postcode districts in Dacorum: crashes in 2018

HP2 had the most collisions of any postcode district in Dacorum in 2018: 49.

Latest crashes in Dacorum in 2018

Of the last 24 crashes in Dacorum in 2018, 1 was fatal and 6 were serious. The last was on 27 December 2018.

Severity

Dacorum road accidents in other years