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CrashStats

Hertsmere road accidents in 1999: crash map and statistics

Police recorded 539 road traffic collisions in Hertsmere in 1999, and 719 people were killed or injured in them. Of those collisions, 3 were fatal and 79 were serious.

Collisions were up 7% on 1998 (502), and casualties rose from 684.

Across all years from 1979 to 2025, police recorded 20,104 collisions in Hertsmere.

Collisions in 1999
539
Up 7% on 1998
Casualties in 1999
719
Up 5% on 1998
Fatal collisions
3
0.6% of collisions
Serious collisions
79
15% of collisions

Crash severity in Hertsmere in 1999

0.6% of collisions in Hertsmere in 1999 were fatal and 15% serious, against 1.4% and 16% in Hertsmere from 1979 to 2025.

Collisions by worst injury

  • Fatal30.6%
  • Serious7915%
  • Slight45785%

People hurt, by injury

  • Fatal30.4%
  • Serious9013%
  • Slight62687%

Hertsmere road accidents by year

Collisions and casualties in Hertsmere, 1979 to 2025

Collisions peaked at 646 in 1979. 1999 is highlighted, with 539, up 7% on 1998.

  • Collisions
  • Collisions in 1999
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025223317
2024249349
2023234316
2022263381
2021215295
2020189278
2019231298
2018272394
2017308422
2016349517
2015364510
2014337577
2013308438
2012310449
2011342487
2010355509
2009348494
2008340484
2007396619
2006429621
2005429622
2004468681
2003459700
2002505778
2001499771
2000506747
1999539719
1998502684
1997531703
1996520656
1995568750
1994502645
1993480661
1992497688
1991479644
1990586777
1989569731
1988510690
1987540716
1986544683
1985528671
1984565717
1983452586
1982496668
1981540711
1980582799
1979646903

When and where crashes happen in Hertsmere in 1999

Collisions by day of the week

  • Monday82 (15%)
  • Tuesday84 (16%)
  • Wednesday78 (14%)
  • Thursday90 (17%)
  • Friday98 (18%)
  • Saturday61 (11%)
  • Sunday46 (8.5%)

Collisions by time of day

  • 00:00 to 02:5916 (3%)
  • 03:00 to 05:594 (0.7%)
  • 06:00 to 08:5990 (17%)
  • 09:00 to 11:5990 (17%)
  • 12:00 to 14:5984 (16%)
  • 15:00 to 17:59137 (25%)
  • 18:00 to 20:5983 (15%)
  • 21:00 to 23:5935 (6.5%)

Collisions by month

  • January51 (9.5%)
  • February42 (7.8%)
  • March36 (6.7%)
  • April48 (8.9%)
  • May41 (7.6%)
  • June43 (8%)
  • July30 (5.6%)
  • August34 (6.3%)
  • September58 (11%)
  • October42 (7.8%)
  • November50 (9.3%)
  • December64 (12%)

Light conditions

  • Daylight404 (75%)
  • Dark, street lights lit106 (20%)
  • Dark, no street lighting21 (3.9%)
  • Dark, lighting unknown4 (0.7%)
  • Dark, street lights unlit4 (0.7%)

Weather at the time

  • Fine, no high winds443 (82%)
  • Raining, no high winds79 (15%)
  • Raining with high winds5 (0.9%)
  • Fine with high winds4 (0.7%)
  • Snowing, no high winds2 (0.4%)
  • Other5 (0.9%)
  • Not recorded1 (0.2%)

Road surface

  • Dry361 (67%)
  • Wet or damp165 (31%)
  • Frost or ice12 (2.2%)
  • Flood over 3cm deep1 (0.2%)

Speed limit at the scene

  • 30 mph285 (53%)
  • 40 mph30 (5.6%)
  • 50 mph6 (1.1%)
  • 60 mph68 (13%)
  • 70 mph150 (28%)

Type of road

  • Single carriageway324 (60%)
  • Dual carriageway168 (31%)
  • Roundabout30 (5.6%)
  • One way street or slip road12 (2.2%)
  • Not recorded5 (0.9%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hertsmere in 1999

Casualties by road user

  • Car occupant542 (75%)
  • Motorcyclist65 (9%)
  • Pedestrian46 (6.4%)
  • Cyclist26 (3.6%)
  • Goods vehicle occupant (over 3.5 tonnes)17 (2.4%)
  • Van occupant16 (2.2%)
  • Bus or coach occupant4 (0.6%)
  • Minibus occupant2 (0.3%)
  • Other vehicle occupant1 (0.1%)

Casualties by age

  • 0 to 517 (2.4%)
  • 6 to 1021 (2.9%)
  • 11 to 1529 (4%)
  • 16 to 2092 (13%)
  • 21 to 2591 (13%)
  • 26 to 35149 (21%)
  • 36 to 45115 (16%)
  • 46 to 5576 (11%)
  • 56 to 6551 (7.1%)
  • 66 to 7530 (4.2%)
  • Over 7517 (2.4%)
  • Not recorded31 (4.3%)

Drivers, passengers and pedestrians

  • Driver or rider499 (69%)
  • Passenger174 (24%)
  • Pedestrian46 (6.4%)

Vehicles involved

  • Car873 (80%)
  • Motorcycle67 (6.1%)
  • Goods vehicle over 3.5 tonnes62 (5.7%)
  • Van or goods vehicle up to 3.5 tonnes51 (4.7%)
  • Pedal cycle26 (2.4%)
  • Bus or coach7 (0.6%)
  • Minibus2 (0.2%)
  • Other vehicle1 (0.1%)
  • Ridden horse1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hertsmere in 1999

Map of the last 24 crashes of 1999 in Hertsmere

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

  • 24 crashes
  • Serious
  • Slight

How Hertsmere ranked among 351 areas in 1999

Of the 351 areas in England, Scotland and Wales, Hertsmere had the 154th most road collisions in 1999.

Collisions
154th
highest of 351 areas
Casualties
164th
highest of 351 areas
Fatal collisions
288th
of 351 areas, highest first
Serious collisions
164th
highest of 351 areas

Roads in Hertsmere with the most crashes in 1999

The M25 had the most collisions in Hertsmere in 1999: 89, including 15 serious.

Roads ranked by collisions in Hertsmere, 1999
RankRoadCollisionsCasualtiesFatalSerious
1stM2589138015
2ndA41395502
3rdA411293301
4thA5183283402
5thB462243302
6thB5378182200
7thB556182602
8thM1182406
9thA1000162502
10thA1141702
11thA1081131603
12thA4008131604
13thA1(M)91300
14thA513591301
15thB1567700
16thA1116703
17thA414061101
18thA4622201
19thA10101100
20thA1211101

Towns in Hertsmere: crashes in 1999

Borehamwood had the most collisions of any town in Hertsmere in 1999: 78.

Postcode districts in Hertsmere: crashes in 1999

EN6 had the most collisions of any postcode district in Hertsmere in 1999: 165.

Latest crashes in Hertsmere in 1999

Of the last 24 crashes in Hertsmere in 1999, none were fatal and 3 were serious. The last was on 30 December 1999.

Severity

Hertsmere road accidents in other years