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CrashStats

Dacorum road accidents in 2015: crash map and statistics

Police recorded 233 road traffic collisions in Dacorum in 2015, and 323 people were killed or injured in them. Of those collisions, 2 were fatal and 37 were serious.

Collisions were down 3% on 2014 (239), and casualties fell from 344.

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

Collisions in 2015
233
Down 3% on 2014
Casualties in 2015
323
Down 6% on 2014
Fatal collisions
2
0.9% of collisions
Serious collisions
37
16% of collisions

Crash severity in Dacorum in 2015

0.9% of collisions in Dacorum in 2015 were fatal and 16% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal20.9%
  • Serious3716%
  • Slight19483%

People hurt, by injury

  • Fatal20.6%
  • Serious4313%
  • Slight27886%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 2015 is highlighted, with 233, down 3% on 2014.

  • Collisions
  • Collisions in 2015: 233
  • 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 2015

Collisions by day of the week

  • Monday29 (12%)
  • Tuesday32 (14%)
  • Wednesday39 (17%)
  • Thursday30 (13%)
  • Friday48 (21%)
  • Saturday39 (17%)
  • Sunday16 (6.9%)

Collisions by time of day

  • 00:00 to 02:596 (2.6%)
  • 03:00 to 05:596 (2.6%)
  • 06:00 to 08:5940 (17%)
  • 09:00 to 11:5934 (15%)
  • 12:00 to 14:5936 (15%)
  • 15:00 to 17:5944 (19%)
  • 18:00 to 20:5948 (21%)
  • 21:00 to 23:5919 (8.2%)

Collisions by month

  • January20 (8.6%)
  • February20 (8.6%)
  • March12 (5.2%)
  • April12 (5.2%)
  • May19 (8.2%)
  • June22 (9.4%)
  • July29 (12%)
  • August11 (4.7%)
  • September19 (8.2%)
  • October23 (9.9%)
  • November22 (9.4%)
  • December24 (10%)

Light conditions

  • Daylight161 (69%)
  • Dark, street lights lit60 (26%)
  • Dark, no street lighting6 (2.6%)
  • Dark, lighting unknown5 (2.1%)
  • Dark, street lights unlit1 (0.4%)

Weather at the time

  • Fine, no high winds181 (78%)
  • Raining, no high winds29 (12%)
  • Fine with high winds2 (0.9%)
  • Fog or mist2 (0.9%)
  • Raining with high winds1 (0.4%)
  • Snowing, no high winds1 (0.4%)
  • Other6 (2.6%)
  • Not recorded11 (4.7%)

Road surface

  • Dry160 (69%)
  • Wet or damp68 (29%)
  • Frost or ice4 (1.7%)
  • Snow1 (0.4%)

Speed limit at the scene

  • 30 mph140 (60%)
  • 40 mph31 (13%)
  • 50 mph13 (5.6%)
  • 60 mph21 (9%)
  • 70 mph28 (12%)

Type of road

  • Single carriageway173 (74%)
  • Dual carriageway41 (18%)
  • Roundabout11 (4.7%)
  • One way street or slip road8 (3.4%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 2015

Casualties by road user

  • Car occupant203 (63%)
  • Pedestrian43 (13%)
  • Motorcyclist34 (11%)
  • Cyclist24 (7.4%)
  • Van occupant9 (2.8%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (1.2%)
  • Minibus occupant2 (0.6%)
  • Taxi or private hire car occupant2 (0.6%)
  • Mobility scooter rider1 (0.3%)
  • Other vehicle occupant1 (0.3%)

Casualties by age

  • 0 to 59 (2.8%)
  • 6 to 1015 (4.6%)
  • 11 to 1511 (3.4%)
  • 16 to 2042 (13%)
  • 21 to 2556 (17%)
  • 26 to 3557 (18%)
  • 36 to 4551 (16%)
  • 46 to 5539 (12%)
  • 56 to 6518 (5.6%)
  • 66 to 7511 (3.4%)
  • Over 7512 (3.7%)
  • Not recorded2 (0.6%)

Drivers, passengers and pedestrians

  • Driver or rider208 (64%)
  • Passenger72 (22%)
  • Pedestrian43 (13%)

Vehicles involved

  • Car331 (74%)
  • Motorcycle34 (7.6%)
  • Van or goods vehicle up to 3.5 tonnes31 (7%)
  • Pedal cycle24 (5.4%)
  • Goods vehicle over 3.5 tonnes13 (2.9%)
  • Taxi or private hire car5 (1.1%)
  • Minibus2 (0.4%)
  • Other vehicle2 (0.4%)
  • Agricultural vehicle1 (0.2%)
  • Mobility scooter1 (0.2%)
  • Other1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 2015

Map of the last 24 crashes of 2015 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 2015

Of the 351 areas in England, Scotland and Wales, Dacorum had fewer road collisions than 239 of them in 2015.

Collisions
240th
of 351 areas, highest first
Casualties
233rd
of 351 areas, highest first
Fatal collisions
221st
of 351 areas, highest first
Serious collisions
234th
of 351 areas, highest first

Accident hotspots in Dacorum in 2015

Apsley and Corner Hall, Dacorum, HP3 9YT area was the busiest accident hotspot in Dacorum in 2015, with 22 collisions, 3 of them serious.

Roads in Dacorum with the most crashes in 2015

The A4251 had the most collisions in Dacorum in 2015: 18, including 2 serious.

Roads ranked by collisions in Dacorum, 2015
RankRoadCollisionsCasualtiesFatalSerious
1stA4251182602
2ndA414172804
3rdA41151914
4thB487152202
5thA4146131701
6thM1132601
7thA4147111703
8thA571100
9thB4886601
10thA4163411
11thB45053500
12thB45062201
13thB4892201
14thM252300
15thB45401400
16thB46351200

Towns in Dacorum: crashes in 2015

Hemel Hempstead had the most collisions of any town in Dacorum in 2015: 124.

Postcode districts in Dacorum: crashes in 2015

HP2 had the most collisions of any postcode district in Dacorum in 2015: 71.

Latest crashes in Dacorum in 2015

Of the last 24 crashes in Dacorum in 2015, none were fatal and 4 were serious. The last was on 30 December 2015.

Severity

Dacorum road accidents in other years