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CrashStats

Hertsmere road accidents in 2024: crash map and statistics

Police recorded 249 road traffic collisions in Hertsmere in 2024, and 349 people were killed or injured in them. Of those collisions, 2 were fatal and 49 were serious.

Collisions were up 6% on 2023 (234), and casualties rose from 316.

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

Collisions in 2024
249
Up 6% on 2023
Casualties in 2024
349
Up 10% on 2023
Fatal collisions
2
0.8% of collisions
Serious collisions
49
20% of collisions

Crash severity in Hertsmere in 2024

0.8% of collisions in Hertsmere in 2024 were fatal and 20% serious, against 1.4% and 16% in Hertsmere from 1979 to 2025.

Collisions by worst injury

  • Fatal20.8%
  • Serious4920%
  • Slight19880%

People hurt, by injury

  • Fatal20.6%
  • Serious5817%
  • Slight28983%

Hertsmere road accidents by year

Collisions and casualties in Hertsmere, 1979 to 2025

Collisions peaked at 646 in 1979. 2024 is highlighted, with 249, up 6% on 2023.

  • Collisions
  • Collisions in 2024
  • 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 2024

Collisions by day of the week

  • Monday40 (16%)
  • Tuesday28 (11%)
  • Wednesday33 (13%)
  • Thursday46 (18%)
  • Friday44 (18%)
  • Saturday31 (12%)
  • Sunday27 (11%)

Collisions by time of day

  • 00:00 to 02:598 (3.2%)
  • 03:00 to 05:595 (2%)
  • 06:00 to 08:5940 (16%)
  • 09:00 to 11:5941 (16%)
  • 12:00 to 14:5941 (16%)
  • 15:00 to 17:5952 (21%)
  • 18:00 to 20:5948 (19%)
  • 21:00 to 23:5914 (5.6%)

Collisions by month

  • January26 (10%)
  • February15 (6%)
  • March17 (6.8%)
  • April23 (9.2%)
  • May17 (6.8%)
  • June18 (7.2%)
  • July18 (7.2%)
  • August15 (6%)
  • September19 (7.6%)
  • October34 (14%)
  • November25 (10%)
  • December22 (8.8%)

Light conditions

  • Daylight180 (72%)
  • Dark, street lights lit47 (19%)
  • Dark, no street lighting10 (4%)
  • Dark, lighting unknown8 (3.2%)
  • Dark, street lights unlit4 (1.6%)

Weather at the time

  • Fine, no high winds208 (84%)
  • Raining, no high winds34 (14%)
  • Fine with high winds1 (0.4%)
  • Raining with high winds1 (0.4%)
  • Other5 (2%)

Road surface

  • Dry154 (62%)
  • Wet or damp72 (29%)
  • Frost or ice3 (1.2%)
  • Flood over 3cm deep1 (0.4%)
  • Not recorded19 (7.6%)

Speed limit at the scene

  • 20 mph6 (2.4%)
  • 30 mph126 (51%)
  • 40 mph16 (6.4%)
  • 50 mph15 (6%)
  • 60 mph33 (13%)
  • 70 mph53 (21%)

Type of road

  • Single carriageway146 (59%)
  • Dual carriageway59 (24%)
  • Roundabout32 (13%)
  • One way street or slip road12 (4.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hertsmere in 2024

Casualties by road user

  • Car occupant230 (66%)
  • Pedestrian39 (11%)
  • Motorcyclist35 (10%)
  • Van occupant22 (6.3%)
  • Cyclist15 (4.3%)
  • Bus or coach occupant3 (0.9%)
  • E-scooter or powered transporter user1 (0.3%)
  • Minibus occupant1 (0.3%)
  • Other vehicle occupant1 (0.3%)
  • Not recorded2 (0.6%)

Casualties by age

  • 0 to 56 (1.7%)
  • 6 to 106 (1.7%)
  • 11 to 1513 (3.7%)
  • 16 to 2018 (5.2%)
  • 21 to 2536 (10%)
  • 26 to 3563 (18%)
  • 36 to 4568 (19%)
  • 46 to 5553 (15%)
  • 56 to 6533 (9.5%)
  • 66 to 7525 (7.2%)
  • Over 7516 (4.6%)
  • Not recorded12 (3.4%)

Drivers, passengers and pedestrians

  • Driver or rider245 (70%)
  • Passenger65 (19%)
  • Pedestrian39 (11%)

Vehicles involved

  • Car361 (73%)
  • Van or goods vehicle up to 3.5 tonnes47 (9.5%)
  • Motorcycle38 (7.7%)
  • Pedal cycle15 (3%)
  • Goods vehicle over 3.5 tonnes13 (2.6%)
  • Goods vehicle, weight unknown7 (1.4%)
  • Personal powered transporter (e-scooter or similar)3 (0.6%)
  • Taxi or private hire car3 (0.6%)
  • Bus or coach2 (0.4%)
  • Minibus1 (0.2%)
  • Other1 (0.2%)
  • Not recorded2 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hertsmere in 2024

Map of the last 24 crashes of 2024 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 2024

Of the 351 areas in England, Scotland and Wales, Hertsmere had the 145th most road collisions in 2024.

Collisions
145th
highest of 351 areas
Casualties
133rd
highest of 351 areas
Fatal collisions
216th
of 351 areas, highest first
Serious collisions
193rd
of 351 areas, highest first

Accident hotspots in Hertsmere in 2024

Bushey North, Hertsmere, WD25 8HL area was the busiest accident hotspot in Hertsmere in 2024, with 29 collisions, 3 of them serious.

Roads in Hertsmere with the most crashes in 2024

The M25 had the most collisions in Hertsmere in 2024: 28, including 3 serious.

Roads ranked by collisions in Hertsmere, 2024
RankRoadCollisionsCasualtiesFatalSerious
1stM25284603
2ndA1172603
3rdA411162102
4thM1163103
5thA41121914
6thA5183121704
7thB462111501
8thA1000101301
9thB537891103
10thB55671004
11thA51356601
12thA1(M)51211
13thA10815600
14thA40085801
15thA1114700
16thA10051100
17thA4091100
18thA41401101

Towns in Hertsmere: crashes in 2024

Borehamwood had the most collisions of any town in Hertsmere in 2024: 40.

Postcode districts in Hertsmere: crashes in 2024

WD6 had the most collisions of any postcode district in Hertsmere in 2024: 68.

Latest crashes in Hertsmere in 2024

Of the last 24 crashes in Hertsmere in 2024, none were fatal and 4 were serious. The last was on 24 December 2024.

Severity

Hertsmere road accidents in other years