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CrashStats

Dacorum road accidents in 1984: crash map and statistics

Police recorded 544 road traffic collisions in Dacorum in 1984, and 773 people were killed or injured in them. Of those collisions, 12 were fatal and 131 were serious.

Collisions were up 5% on 1983 (519), and casualties rose from 679.

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

Collisions in 1984
544
Up 5% on 1983
Casualties in 1984
773
Up 14% on 1983
Fatal collisions
12
2.2% of collisions
Serious collisions
131
24% of collisions

Crash severity in Dacorum in 1984

2.2% of collisions in Dacorum in 1984 were fatal and 24% serious, against 1.3% and 20% in Dacorum from 1979 to 2025.

Collisions by worst injury

  • Fatal122.2%
  • Serious13124%
  • Slight40174%

People hurt, by injury

  • Fatal131.7%
  • Serious14819%
  • Slight61279%

Dacorum road accidents by year

Collisions and casualties in Dacorum, 1979 to 2025

Collisions peaked at 670 in 2000. 1984 is highlighted, with 544, up 5% on 1983.

  • Collisions
  • Collisions in 1984
  • 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 1984

Collisions by day of the week

  • Monday74 (14%)
  • Tuesday82 (15%)
  • Wednesday88 (16%)
  • Thursday69 (13%)
  • Friday84 (15%)
  • Saturday85 (16%)
  • Sunday62 (11%)

Collisions by time of day

  • 00:00 to 02:5918 (3.3%)
  • 03:00 to 05:5910 (1.8%)
  • 06:00 to 08:5972 (13%)
  • 09:00 to 11:5963 (12%)
  • 12:00 to 14:59102 (19%)
  • 15:00 to 17:59121 (22%)
  • 18:00 to 20:5970 (13%)
  • 21:00 to 23:5988 (16%)

Collisions by month

  • January39 (7.2%)
  • February39 (7.2%)
  • March38 (7%)
  • April44 (8.1%)
  • May49 (9%)
  • June45 (8.3%)
  • July48 (8.8%)
  • August39 (7.2%)
  • September41 (7.5%)
  • October68 (13%)
  • November51 (9.4%)
  • December43 (7.9%)

Light conditions

  • Daylight378 (69%)
  • Dark, street lights lit123 (23%)
  • Dark, no street lighting35 (6.4%)
  • Dark, lighting unknown7 (1.3%)
  • Dark, street lights unlit1 (0.2%)

Weather at the time

  • Fine, no high winds416 (76%)
  • Raining, no high winds89 (16%)
  • Fine with high winds16 (2.9%)
  • Raining with high winds8 (1.5%)
  • Fog or mist7 (1.3%)
  • Snowing, no high winds1 (0.2%)
  • Other2 (0.4%)
  • Not recorded5 (0.9%)

Road surface

  • Dry320 (59%)
  • Wet or damp212 (39%)
  • Frost or ice11 (2%)
  • Snow1 (0.2%)

Speed limit at the scene

  • 30 mph345 (63%)
  • 40 mph37 (6.8%)
  • 50 mph3 (0.6%)
  • 60 mph126 (23%)
  • 70 mph33 (6.1%)

Type of road

  • Single carriageway460 (85%)
  • Dual carriageway52 (9.6%)
  • Roundabout30 (5.5%)
  • One way street or slip road1 (0.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Dacorum in 1984

Casualties by road user

  • Car occupant395 (51%)
  • Motorcyclist180 (23%)
  • Pedestrian103 (13%)
  • Cyclist38 (4.9%)
  • Bus or coach occupant24 (3.1%)
  • Van occupant16 (2.1%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (0.8%)
  • Taxi or private hire car occupant6 (0.8%)
  • Other vehicle occupant5 (0.6%)

Casualties by age

  • 0 to 514 (1.8%)
  • 6 to 1026 (3.4%)
  • 11 to 1538 (4.9%)
  • 16 to 20235 (30%)
  • 21 to 25109 (14%)
  • 26 to 35120 (16%)
  • 36 to 4583 (11%)
  • 46 to 5560 (7.8%)
  • 56 to 6554 (7%)
  • 66 to 7525 (3.2%)
  • Over 759 (1.2%)

Drivers, passengers and pedestrians

  • Driver or rider444 (57%)
  • Passenger226 (29%)
  • Pedestrian103 (13%)

Vehicles involved

  • Car721 (69%)
  • Motorcycle176 (17%)
  • Pedal cycle39 (3.8%)
  • Van or goods vehicle up to 3.5 tonnes34 (3.3%)
  • Goods vehicle over 3.5 tonnes31 (3%)
  • Bus or coach21 (2%)
  • Other vehicle10 (1%)
  • Taxi or private hire car5 (0.5%)
  • Minibus2 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Dacorum in 1984

Map of the last 24 crashes of 1984 in Dacorum

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

  • 24 crashes
  • Serious
  • Slight

How Dacorum ranked among 350 areas in 1984

Of the 350 areas in England, Scotland and Wales, Dacorum had the 173rd most road collisions in 1984.

Collisions
173rd
highest of 350 areas
Casualties
154th
highest of 350 areas
Fatal collisions
160th
highest of 350 areas
Serious collisions
208th
of 350 areas, highest first

Roads in Dacorum with the most crashes in 1984

The A41 had the most collisions in Dacorum in 1984: 84, including 3 fatal and 23 serious.

Roads ranked by collisions in Dacorum, 1984
RankRoadCollisionsCasualtiesFatalSerious
1stA4184120323
2ndA4146303804
3rdA414273114
4thM1275836
5thA4147253405
6thA51936011
7thB4505122203
8thB487112001
9thB48881901
10thA42517802
11thA41661111
12thB45065600
13thB4894501
14thB4863402
15thA51832601
16thB45402300
17thA10811100

Towns in Dacorum: crashes in 1984

Hemel Hempstead had the most collisions of any town in Dacorum in 1984: 247.

Postcode districts in Dacorum: crashes in 1984

HP1 had the most collisions of any postcode district in Dacorum in 1984: 127.

Latest crashes in Dacorum in 1984

Of the last 24 crashes in Dacorum in 1984, none were fatal and 4 were serious. The last was on 31 December 1984.

Severity

Dacorum road accidents in other years