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CrashStats

Dacorum road accidents in 1986: crash map and statistics

Police recorded 622 road traffic collisions in Dacorum in 1986, and 826 people were killed or injured in them. Of those collisions, 9 were fatal and 162 were serious.

Collisions were up 18% on 1985 (527), and casualties rose from 732.

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

Collisions in 1986
622
Up 18% on 1985
Casualties in 1986
826
Up 13% on 1985
Fatal collisions
9
1.4% of collisions
Serious collisions
162
26% of collisions

Crash severity in Dacorum in 1986

1.4% of collisions in Dacorum in 1986 were fatal and 26% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal91.4%
  • Serious16226%
  • Slight45173%

People hurt, by injury

  • Fatal101.2%
  • Serious19824%
  • Slight61875%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 1986 is highlighted, with 622, up 18% on 1985.

  • Collisions
  • Collisions in 1986
  • 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 1986

Collisions by day of the week

  • Monday78 (13%)
  • Tuesday75 (12%)
  • Wednesday93 (15%)
  • Thursday88 (14%)
  • Friday115 (18%)
  • Saturday108 (17%)
  • Sunday65 (10%)

Collisions by time of day

  • 00:00 to 02:5924 (3.9%)
  • 03:00 to 05:597 (1.1%)
  • 06:00 to 08:5976 (12%)
  • 09:00 to 11:5986 (14%)
  • 12:00 to 14:59106 (17%)
  • 15:00 to 17:59147 (24%)
  • 18:00 to 20:5981 (13%)
  • 21:00 to 23:5995 (15%)

Collisions by month

  • January50 (8%)
  • February22 (3.5%)
  • March43 (6.9%)
  • April45 (7.2%)
  • May53 (8.5%)
  • June51 (8.2%)
  • July57 (9.2%)
  • August68 (11%)
  • September51 (8.2%)
  • October55 (8.8%)
  • November67 (11%)
  • December60 (9.6%)

Light conditions

  • Daylight423 (68%)
  • Dark, street lights lit154 (25%)
  • Dark, no street lighting35 (5.6%)
  • Dark, lighting unknown5 (0.8%)
  • Dark, street lights unlit5 (0.8%)

Weather at the time

  • Fine, no high winds482 (77%)
  • Raining, no high winds98 (16%)
  • Fine with high winds15 (2.4%)
  • Fog or mist10 (1.6%)
  • Raining with high winds5 (0.8%)
  • Snowing, no high winds2 (0.3%)
  • Snowing with high winds1 (0.2%)
  • Other1 (0.2%)
  • Not recorded8 (1.3%)

Road surface

  • Dry353 (57%)
  • Wet or damp248 (40%)
  • Frost or ice18 (2.9%)
  • Snow3 (0.5%)

Speed limit at the scene

  • 10 mph1 (0.2%)
  • 30 mph397 (64%)
  • 40 mph43 (6.9%)
  • 50 mph15 (2.4%)
  • 60 mph135 (22%)
  • 70 mph31 (5%)

Type of road

  • Single carriageway544 (87%)
  • Dual carriageway51 (8.2%)
  • Roundabout24 (3.9%)
  • Not recorded3 (0.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 1986

Casualties by road user

  • Car occupant489 (59%)
  • Motorcyclist148 (18%)
  • Pedestrian113 (14%)
  • Cyclist45 (5.4%)
  • Van occupant12 (1.5%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.7%)
  • Minibus occupant4 (0.5%)
  • Bus or coach occupant3 (0.4%)
  • Other vehicle occupant3 (0.4%)
  • Taxi or private hire car occupant3 (0.4%)

Casualties by age

  • 0 to 515 (1.8%)
  • 6 to 1034 (4.1%)
  • 11 to 1546 (5.6%)
  • 16 to 20198 (24%)
  • 21 to 25129 (16%)
  • 26 to 35139 (17%)
  • 36 to 45109 (13%)
  • 46 to 5557 (6.9%)
  • 56 to 6554 (6.5%)
  • 66 to 7535 (4.2%)
  • Over 7510 (1.2%)

Drivers, passengers and pedestrians

  • Driver or rider494 (60%)
  • Passenger219 (27%)
  • Pedestrian113 (14%)

Vehicles involved

  • Car886 (74%)
  • Motorcycle146 (12%)
  • Goods vehicle over 3.5 tonnes53 (4.4%)
  • Pedal cycle45 (3.8%)
  • Van or goods vehicle up to 3.5 tonnes36 (3%)
  • Bus or coach11 (0.9%)
  • Other vehicle10 (0.8%)
  • Taxi or private hire car6 (0.5%)
  • Minibus5 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 1986

Map of the last 24 crashes of 1986 in Dacorum

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

How Dacorum ranked among 350 areas in 1986

Of the 350 areas in England, Scotland and Wales, Dacorum had the 141st most road collisions in 1986.

Collisions
141st
highest of 350 areas
Casualties
148th
highest of 350 areas
Fatal collisions
219th
of 350 areas, highest first
Serious collisions
134th
highest of 350 areas

Roads in Dacorum with the most crashes in 1986

The A41 had the most collisions in Dacorum in 1986: 100, including 1 fatal and 34 serious.

Roads ranked by collisions in Dacorum, 1986
RankRoadCollisionsCasualtiesFatalSerious
1stA41100137134
2ndM1335602
3rdB487293706
4thA4146263725
5thA414253308
6thA4147222305
7thA5224416
8thB4505162518
9thA4251101203
10thB450661103
11thB4886702
12thA4164402
13thB4864601
14thB4893400
15thA10811110
16thB45401201
17thM251100

Towns in Dacorum: crashes in 1986

Hemel Hempstead had the most collisions of any town in Dacorum in 1986: 288.

Postcode districts in Dacorum: crashes in 1986

HP1 had the most collisions of any postcode district in Dacorum in 1986: 141.

Latest crashes in Dacorum in 1986

Of the last 24 crashes in Dacorum in 1986, 1 was fatal and 6 were serious. The last was on 30 December 1986.

Severity

Dacorum road accidents in other years