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CrashStats

Hertsmere road accidents in 2019: crash map and statistics

Police recorded 231 road traffic collisions in Hertsmere in 2019, and 298 people were killed or injured in them. Of those collisions, 2 were fatal and 27 were serious.

Collisions were down 15% on 2018 (272), and casualties fell from 394.

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

Collisions in 2019
231
Down 15% on 2018
Casualties in 2019
298
Down 24% on 2018
Fatal collisions
2
0.9% of collisions
Serious collisions
27
12% of collisions

Crash severity in Hertsmere in 2019

0.9% of collisions in Hertsmere in 2019 were fatal and 12% serious, against 1.4% and 16% in Hertsmere from 1979 to 2025.

Collisions by worst injury

  • Fatal20.9%
  • Serious2712%
  • Slight20287%

People hurt, by injury

  • Fatal20.7%
  • Serious299.7%
  • Slight26790%

Hertsmere road accidents by year

Collisions and casualties in Hertsmere, 1979 to 2025

Collisions peaked at 646 in 1979. 2019 is highlighted, with 231, down 15% on 2018.

  • Collisions
  • Collisions in 2019: 231
  • 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 2019

Collisions by day of the week

  • Monday40 (17%)
  • Tuesday39 (17%)
  • Wednesday37 (16%)
  • Thursday36 (16%)
  • Friday31 (13%)
  • Saturday27 (12%)
  • Sunday21 (9.1%)

Collisions by time of day

  • 00:00 to 02:599 (3.9%)
  • 03:00 to 05:593 (1.3%)
  • 06:00 to 08:5945 (19%)
  • 09:00 to 11:5924 (10%)
  • 12:00 to 14:5946 (20%)
  • 15:00 to 17:5955 (24%)
  • 18:00 to 20:5931 (13%)
  • 21:00 to 23:5918 (7.8%)

Collisions by month

  • January24 (10%)
  • February9 (3.9%)
  • March18 (7.8%)
  • April18 (7.8%)
  • May16 (6.9%)
  • June26 (11%)
  • July26 (11%)
  • August20 (8.7%)
  • September18 (7.8%)
  • October16 (6.9%)
  • November19 (8.2%)
  • December21 (9.1%)

Light conditions

  • Daylight166 (72%)
  • Dark, street lights lit51 (22%)
  • Dark, no street lighting9 (3.9%)
  • Dark, lighting unknown3 (1.3%)
  • Dark, street lights unlit2 (0.9%)

Weather at the time

  • Fine, no high winds184 (80%)
  • Raining, no high winds34 (15%)
  • Fine with high winds1 (0.4%)
  • Raining with high winds1 (0.4%)
  • Snowing, no high winds1 (0.4%)
  • Other8 (3.5%)
  • Not recorded2 (0.9%)

Road surface

  • Dry162 (70%)
  • Wet or damp64 (28%)
  • Frost or ice3 (1.3%)
  • Not recorded2 (0.9%)

Speed limit at the scene

  • 20 mph2 (0.9%)
  • 30 mph124 (54%)
  • 40 mph13 (5.6%)
  • 50 mph5 (2.2%)
  • 60 mph25 (11%)
  • 70 mph62 (27%)

Type of road

  • Single carriageway135 (58%)
  • Dual carriageway54 (23%)
  • One way street or slip road20 (8.7%)
  • Roundabout18 (7.8%)
  • Not recorded4 (1.7%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hertsmere in 2019

Casualties by road user

  • Car occupant206 (69%)
  • Pedestrian39 (13%)
  • Motorcyclist19 (6.4%)
  • Cyclist15 (5%)
  • Van occupant13 (4.4%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.7%)
  • Taxi or private hire car occupant2 (0.7%)
  • Goods vehicle occupant (weight unknown)1 (0.3%)
  • Mobility scooter rider1 (0.3%)

Casualties by age

  • 0 to 59 (3%)
  • 6 to 1010 (3.4%)
  • 11 to 1517 (5.7%)
  • 16 to 2017 (5.7%)
  • 21 to 2532 (11%)
  • 26 to 3556 (19%)
  • 36 to 4562 (21%)
  • 46 to 5542 (14%)
  • 56 to 6516 (5.4%)
  • 66 to 7516 (5.4%)
  • Over 7513 (4.4%)
  • Not recorded8 (2.7%)

Drivers, passengers and pedestrians

  • Driver or rider205 (69%)
  • Passenger54 (18%)
  • Pedestrian39 (13%)

Vehicles involved

  • Car346 (78%)
  • Van or goods vehicle up to 3.5 tonnes33 (7.4%)
  • Motorcycle20 (4.5%)
  • Pedal cycle15 (3.4%)
  • Goods vehicle over 3.5 tonnes11 (2.5%)
  • Goods vehicle, weight unknown11 (2.5%)
  • Taxi or private hire car3 (0.7%)
  • Bus or coach2 (0.4%)
  • Mobility scooter1 (0.2%)
  • Not recorded3 (0.7%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hertsmere in 2019

Map of the last 24 crashes of 2019 and the 10 busiest accident hotspots in Hertsmere

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Accident hotspots (10)

How Hertsmere ranked among 351 areas in 2019

Of the 351 areas in England, Scotland and Wales, Hertsmere had fewer road collisions than 194 of them in 2019.

Collisions
195th
of 351 areas, highest first
Casualties
200th
of 351 areas, highest first
Fatal collisions
235th
of 351 areas, highest first
Serious collisions
301st
of 351 areas, highest first

Accident hotspots in Hertsmere in 2019

Bushey North, Hertsmere, WD25 8HL area was the busiest accident hotspot in Hertsmere in 2019, with 18 collisions, 2 of them serious.

Roads in Hertsmere with the most crashes in 2019

The M25 had the most collisions in Hertsmere in 2019: 30, including 3 serious.

Roads ranked by collisions in Hertsmere, 2019
RankRoadCollisionsCasualtiesFatalSerious
1stM25304603
2ndA1162002
3rdA5183152000
4thA411131702
5thM1121601
6thB5378111701
7thA4191001
8thA1(M)81302
9thB5568902
10thB4626600
11thA10005601
12thA1114601
13thA51354600
14thA10813400
15thA40083300
16thA41403300
17thA10051100

Towns in Hertsmere: crashes in 2019

Borehamwood had the most collisions of any town in Hertsmere in 2019: 37.

Postcode districts in Hertsmere: crashes in 2019

WD6 had the most collisions of any postcode district in Hertsmere in 2019: 68.

Latest crashes in Hertsmere in 2019

Of the last 24 crashes in Hertsmere in 2019, 1 was fatal and 4 were serious. The last was on 31 December 2019.

Severity

Hertsmere road accidents in other years