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CrashStats

Dacorum road accidents in 2009: crash map and statistics

Police recorded 308 road traffic collisions in Dacorum in 2009, and 454 people were killed or injured in them. Of those collisions, 2 were fatal and 40 were serious.

Collisions were down 15% on 2008 (363), and casualties fell from 507.

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

Collisions in 2009
308
Down 15% on 2008
Casualties in 2009
454
Down 10% on 2008
Fatal collisions
2
0.6% of collisions
Serious collisions
40
13% of collisions

Crash severity in Dacorum in 2009

0.6% of collisions in Dacorum in 2009 were fatal and 13% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal20.6%
  • Serious4013%
  • Slight26686%

People hurt, by injury

  • Fatal20.4%
  • Serious449.7%
  • Slight40890%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 2009 is highlighted, with 308, down 15% on 2008.

  • Collisions
  • Collisions in 2009
  • 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 2009

Collisions by day of the week

  • Monday39 (13%)
  • Tuesday42 (14%)
  • Wednesday62 (20%)
  • Thursday41 (13%)
  • Friday41 (13%)
  • Saturday45 (15%)
  • Sunday38 (12%)

Collisions by time of day

  • 00:00 to 02:599 (2.9%)
  • 03:00 to 05:593 (1%)
  • 06:00 to 08:5955 (18%)
  • 09:00 to 11:5943 (14%)
  • 12:00 to 14:5953 (17%)
  • 15:00 to 17:5974 (24%)
  • 18:00 to 20:5945 (15%)
  • 21:00 to 23:5926 (8.4%)

Collisions by month

  • January26 (8.4%)
  • February26 (8.4%)
  • March26 (8.4%)
  • April22 (7.1%)
  • May32 (10%)
  • June18 (5.8%)
  • July28 (9.1%)
  • August20 (6.5%)
  • September21 (6.8%)
  • October26 (8.4%)
  • November38 (12%)
  • December25 (8.1%)

Light conditions

  • Daylight216 (70%)
  • Dark, street lights lit69 (22%)
  • Dark, no street lighting23 (7.5%)

Weather at the time

  • Fine, no high winds226 (73%)
  • Raining, no high winds39 (13%)
  • Fine with high winds8 (2.6%)
  • Snowing, no high winds8 (2.6%)
  • Raining with high winds3 (1%)
  • Snowing with high winds3 (1%)
  • Other21 (6.8%)

Road surface

  • Dry184 (60%)
  • Wet or damp95 (31%)
  • Frost or ice22 (7.1%)
  • Snow7 (2.3%)

Speed limit at the scene

  • 30 mph177 (57%)
  • 40 mph31 (10%)
  • 50 mph16 (5.2%)
  • 60 mph33 (11%)
  • 70 mph51 (17%)

Type of road

  • Single carriageway218 (71%)
  • Dual carriageway62 (20%)
  • Roundabout20 (6.5%)
  • One way street or slip road8 (2.6%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 2009

Casualties by road user

  • Car occupant331 (73%)
  • Pedestrian49 (11%)
  • Motorcyclist29 (6.4%)
  • Cyclist23 (5.1%)
  • Van occupant11 (2.4%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (0.9%)
  • Other vehicle occupant4 (0.9%)
  • Taxi or private hire car occupant2 (0.4%)
  • Bus or coach occupant1 (0.2%)

Casualties by age

  • 0 to 512 (2.6%)
  • 6 to 1011 (2.4%)
  • 11 to 1521 (4.6%)
  • 16 to 2085 (19%)
  • 21 to 2561 (13%)
  • 26 to 3596 (21%)
  • 36 to 4570 (15%)
  • 46 to 5547 (10%)
  • 56 to 6521 (4.6%)
  • 66 to 7512 (2.6%)
  • Over 7518 (4%)

Drivers, passengers and pedestrians

  • Driver or rider282 (62%)
  • Passenger123 (27%)
  • Pedestrian49 (11%)

Vehicles involved

  • Car447 (79%)
  • Motorcycle29 (5.1%)
  • Van or goods vehicle up to 3.5 tonnes28 (5%)
  • Pedal cycle23 (4.1%)
  • Goods vehicle over 3.5 tonnes17 (3%)
  • Other vehicle10 (1.8%)
  • Bus or coach6 (1.1%)
  • Taxi or private hire car3 (0.5%)
  • Agricultural vehicle1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 2009

Map of the last 24 crashes of 2009 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 2009

Of the 351 areas in England, Scotland and Wales, Dacorum had fewer road collisions than 217 of them in 2009.

Collisions
218th
of 351 areas, highest first
Casualties
198th
of 351 areas, highest first
Fatal collisions
266th
of 351 areas, highest first
Serious collisions
226th
of 351 areas, highest first

Accident hotspots in Dacorum in 2009

Apsley and Corner Hall, Dacorum, HP3 9YT area was the busiest accident hotspot in Dacorum in 2009, with 30 collisions, 3 of them serious.

Roads in Dacorum with the most crashes in 2009

The A41 had the most collisions in Dacorum in 2009: 37, including 3 serious.

Roads ranked by collisions in Dacorum, 2009
RankRoadCollisionsCasualtiesFatalSerious
1stA41374603
2ndA4251334806
3rdA414194002
4thA4146192402
5thB487162201
6thM1142902
7thA4147121701
8thA581801
9thB4885902
10thB45063700
11thA4162300
12thB45052301
13thM252601
14thB46351100
15thB4891101

Towns in Dacorum: crashes in 2009

Hemel Hempstead had the most collisions of any town in Dacorum in 2009: 135.

Postcode districts in Dacorum: crashes in 2009

HP1 had the most collisions of any postcode district in Dacorum in 2009: 77.

Latest crashes in Dacorum in 2009

Of the last 24 crashes in Dacorum in 2009, none were fatal and 1 was serious. The last was on 31 December 2009.

Severity

Dacorum road accidents in other years