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CrashStats

Hertsmere road accidents in 2022: crash map and statistics

Collisions in 2022
263
Up 22% on 2021
Casualties in 2022
381
Up 29% on 2021
Fatal collisions
4
1.5% of collisions
Serious collisions
42
16% of collisions

Crash severity in Hertsmere in 2022

1.5% of collisions in Hertsmere in 2022 were fatal and 16% serious, against 1.4% and 16% in Hertsmere from 1979 to 2025.

Collisions by worst injury

  • Fatal41.5%
  • Serious4216%
  • Slight21783%

People hurt, by injury

  • Fatal41%
  • Serious4612%
  • Slight33187%

Hertsmere road accidents by year

Collisions and casualties in Hertsmere, 1979 to 2025

Collisions peaked at 646 in 1979. 2022 is highlighted, with 263, up 22% on 2021.

  • Collisions
  • Collisions in 2022
  • 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 2022

Collisions by day of the week

  • Monday33 (13%)
  • Tuesday40 (15%)
  • Wednesday36 (14%)
  • Thursday42 (16%)
  • Friday41 (16%)
  • Saturday44 (17%)
  • Sunday27 (10%)

Collisions by time of day

  • 00:00 to 02:597 (2.7%)
  • 03:00 to 05:597 (2.7%)
  • 06:00 to 08:5943 (16%)
  • 09:00 to 11:5936 (14%)
  • 12:00 to 14:5945 (17%)
  • 15:00 to 17:5963 (24%)
  • 18:00 to 20:5948 (18%)
  • 21:00 to 23:5914 (5.3%)

Collisions by month

  • January22 (8.4%)
  • February13 (4.9%)
  • March25 (9.5%)
  • April18 (6.8%)
  • May28 (11%)
  • June30 (11%)
  • July26 (9.9%)
  • August23 (8.7%)
  • September13 (4.9%)
  • October28 (11%)
  • November20 (7.6%)
  • December17 (6.5%)

Light conditions

  • Daylight210 (80%)
  • Dark, street lights lit44 (17%)
  • Dark, no street lighting5 (1.9%)
  • Dark, lighting unknown2 (0.8%)
  • Dark, street lights unlit2 (0.8%)

Weather at the time

  • Fine, no high winds240 (91%)
  • Raining, no high winds15 (5.7%)
  • Fog or mist1 (0.4%)
  • Raining with high winds1 (0.4%)
  • Other6 (2.3%)

Road surface

  • Dry194 (74%)
  • Wet or damp41 (16%)
  • Frost or ice8 (3%)
  • Flood over 3cm deep1 (0.4%)
  • Not recorded19 (7.2%)

Speed limit at the scene

  • 20 mph7 (2.7%)
  • 30 mph137 (52%)
  • 40 mph27 (10%)
  • 50 mph10 (3.8%)
  • 60 mph24 (9.1%)
  • 70 mph58 (22%)

Type of road

  • Single carriageway160 (61%)
  • Dual carriageway60 (23%)
  • Roundabout29 (11%)
  • One way street or slip road13 (4.9%)
  • Not recorded1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hertsmere in 2022

Casualties by road user

  • Car occupant258 (68%)
  • Motorcyclist44 (12%)
  • Pedestrian30 (7.9%)
  • Cyclist23 (6%)
  • Van occupant17 (4.5%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (1%)
  • Other vehicle occupant3 (0.8%)
  • Taxi or private hire car occupant2 (0.5%)

Casualties by age

  • 0 to 54 (1%)
  • 6 to 1011 (2.9%)
  • 11 to 1517 (4.5%)
  • 16 to 2031 (8.1%)
  • 21 to 2547 (12%)
  • 26 to 3570 (18%)
  • 36 to 4577 (20%)
  • 46 to 5553 (14%)
  • 56 to 6539 (10%)
  • 66 to 7513 (3.4%)
  • Over 7512 (3.1%)
  • Not recorded7 (1.8%)

Drivers, passengers and pedestrians

  • Driver or rider263 (69%)
  • Passenger88 (23%)
  • Pedestrian30 (7.9%)

Vehicles involved

  • Car388 (74%)
  • Motorcycle44 (8.4%)
  • Van or goods vehicle up to 3.5 tonnes41 (7.8%)
  • Pedal cycle25 (4.8%)
  • Goods vehicle over 3.5 tonnes10 (1.9%)
  • Goods vehicle, weight unknown8 (1.5%)
  • Other vehicle4 (0.8%)
  • Bus or coach3 (0.6%)
  • Personal powered transporter (e-scooter or similar)1 (0.2%)
  • Taxi or private hire car1 (0.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hertsmere in 2022

Map of the last 24 crashes of 2022 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
  • Serious
  • Slight

Accident hotspots (10)

How Hertsmere ranked among 351 areas in 2022

Of the 351 areas in England, Scotland and Wales, Hertsmere had the 137th most road collisions in 2022.

Collisions
137th
highest of 351 areas
Casualties
124th
highest of 351 areas
Fatal collisions
136th
highest of 351 areas
Serious collisions
218th
of 351 areas, highest first

Roads in Hertsmere with the most crashes in 2022

The M25 had the most collisions in Hertsmere in 2022: 27, including 2 serious.

Roads ranked by collisions in Hertsmere, 2022
RankRoadCollisionsCasualtiesFatalSerious
1stM25274402
2ndA1204013
3rdM1172611
4thA411151802
5thA41142204
6thA5183121613
7thB462121801
8thA1000111503
9thB5378111302
10thA400881301
11thA108161102
12thA41405800
13thB5565803
14thA1113401
15thA51353400
16thA1(M)2400
17thA4091200

Postcode districts in Hertsmere: crashes in 2022

WD6 had the most collisions of any postcode district in Hertsmere in 2022: 71.

Latest crashes in Hertsmere in 2022

Of the last 24 crashes in Hertsmere in 2022, none were fatal and 3 were serious. The last was on 31 December 2022.

Severity

Hertsmere road accidents in other years