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CrashStats

Hertsmere road accidents in 2025: crash map and statistics

Police recorded 223 road traffic collisions in Hertsmere in 2025, and 317 people were killed or injured in them. Of those collisions, 2 were fatal and 41 were serious.

Collisions were down 10% on 2024 (249), and casualties fell from 349.

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

Collisions in 2025
223
Down 10% on 2024
Casualties in 2025
317
Down 9% on 2024
Fatal collisions
2
0.9% of collisions
Serious collisions
41
18% of collisions

Crash severity in Hertsmere in 2025

0.9% of collisions in Hertsmere in 2025 were fatal and 18% serious, against 1.4% and 16% in Hertsmere from 1979 to 2025.

Collisions by worst injury

  • Fatal20.9%
  • Serious4118%
  • Slight18081%

People hurt, by injury

  • Fatal20.6%
  • Serious4314%
  • Slight27286%

Hertsmere road accidents by year

Collisions and casualties in Hertsmere, 1979 to 2025

Collisions peaked at 646 in 1979. 2025 is highlighted, with 223, down 10% on 2024.

  • Collisions
  • Collisions in 2025: 223
  • 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 2025

Collisions by day of the week

  • Monday25 (11%)
  • Tuesday35 (16%)
  • Wednesday33 (15%)
  • Thursday34 (15%)
  • Friday35 (16%)
  • Saturday32 (14%)
  • Sunday29 (13%)

Collisions by time of day

  • 00:00 to 02:593 (1.3%)
  • 03:00 to 05:596 (2.7%)
  • 06:00 to 08:5939 (17%)
  • 09:00 to 11:5920 (9%)
  • 12:00 to 14:5947 (21%)
  • 15:00 to 17:5960 (27%)
  • 18:00 to 20:5939 (17%)
  • 21:00 to 23:599 (4%)

Collisions by month

  • January16 (7.2%)
  • February13 (5.8%)
  • March27 (12%)
  • April17 (7.6%)
  • May17 (7.6%)
  • June20 (9%)
  • July21 (9.4%)
  • August14 (6.3%)
  • September16 (7.2%)
  • October25 (11%)
  • November15 (6.7%)
  • December22 (9.9%)

Light conditions

  • Daylight164 (74%)
  • Dark, street lights lit36 (16%)
  • Dark, no street lighting13 (5.8%)
  • Dark, lighting unknown8 (3.6%)
  • Dark, street lights unlit2 (0.9%)

Weather at the time

  • Fine, no high winds187 (84%)
  • Raining, no high winds21 (9.4%)
  • Fine with high winds2 (0.9%)
  • Raining with high winds2 (0.9%)
  • Other7 (3.1%)
  • Not recorded4 (1.8%)

Road surface

  • Dry170 (76%)
  • Wet or damp44 (20%)
  • Frost or ice2 (0.9%)
  • Flood over 3cm deep1 (0.4%)
  • Not recorded6 (2.7%)

Speed limit at the scene

  • 20 mph8 (3.6%)
  • 30 mph99 (44%)
  • 40 mph13 (5.8%)
  • 50 mph14 (6.3%)
  • 60 mph33 (15%)
  • 70 mph56 (25%)

Type of road

  • Single carriageway117 (52%)
  • Dual carriageway55 (25%)
  • Roundabout38 (17%)
  • One way street or slip road13 (5.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Hertsmere in 2025

Casualties by road user

  • Car occupant221 (70%)
  • Motorcyclist33 (10%)
  • Pedestrian25 (7.9%)
  • Cyclist17 (5.4%)
  • Van occupant7 (2.2%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (0.9%)
  • Minibus occupant3 (0.9%)
  • Taxi or private hire car occupant3 (0.9%)
  • Not recorded5 (1.6%)

Casualties by age

  • 0 to 54 (1.3%)
  • 6 to 104 (1.3%)
  • 11 to 1511 (3.5%)
  • 16 to 2023 (7.3%)
  • 21 to 2529 (9.1%)
  • 26 to 3573 (23%)
  • 36 to 4562 (20%)
  • 46 to 5541 (13%)
  • 56 to 6531 (9.8%)
  • 66 to 7517 (5.4%)
  • Over 7510 (3.2%)
  • Not recorded12 (3.8%)

Drivers, passengers and pedestrians

  • Driver or rider223 (70%)
  • Passenger69 (22%)
  • Pedestrian25 (7.9%)

Vehicles involved

  • Car340 (73%)
  • Motorcycle36 (7.7%)
  • Van or goods vehicle up to 3.5 tonnes33 (7.1%)
  • Goods vehicle over 3.5 tonnes20 (4.3%)
  • Pedal cycle17 (3.6%)
  • Goods vehicle, weight unknown7 (1.5%)
  • Personal powered transporter (e-scooter or similar)4 (0.9%)
  • Taxi or private hire car4 (0.9%)
  • Other vehicle2 (0.4%)
  • Minibus1 (0.2%)
  • Other1 (0.2%)
  • Not recorded3 (0.6%)

Source: Department for Transport, STATS19 road safety data

Crash map for Hertsmere in 2025

Map of the last 24 crashes of 2025 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 2025

Of the 351 areas in England, Scotland and Wales, Hertsmere had the 165th most road collisions in 2025.

Collisions
165th
highest of 351 areas
Casualties
151st
highest of 351 areas
Fatal collisions
210th
of 351 areas, highest first
Serious collisions
237th
of 351 areas, highest first

Accident hotspots in Hertsmere in 2025

Bushey North, Hertsmere, WD25 8HL area was the busiest accident hotspot in Hertsmere in 2025, with 33 collisions, 8 of them serious.

Roads in Hertsmere with the most crashes in 2025

The M25 had the most collisions in Hertsmere in 2025: 28, including 1 serious.

Roads ranked by collisions in Hertsmere, 2025
RankRoadCollisionsCasualtiesFatalSerious
1stM25283801
2ndM1163402
3rdA41151804
4thA1132002
5thB55691103
6thA41181001
7thB53788900
8thA51837911
9thA40086900
10thA513561000
11thB4626702
12thA1(M)4703
13thA10004501
14thA1112401
15thA10051100
16thA10811200
17thA41401100
18thA51101

Towns in Hertsmere: crashes in 2025

Borehamwood had the most collisions of any town in Hertsmere in 2025: 35.

Postcode districts in Hertsmere: crashes in 2025

WD6 had the most collisions of any postcode district in Hertsmere in 2025: 58.

Latest crashes in Hertsmere in 2025

Of the last 24 crashes in Hertsmere in 2025, 1 was fatal and 8 were serious. The last was on 30 December 2025.

Severity

Hertsmere road accidents in other years