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CrashStats

North Hertfordshire road accidents: crash map and statistics

Police recorded 17,238 road traffic collisions in North Hertfordshire from 1979 to 2025, and 23,478 people were killed or injured in them. Of those collisions, 337 were fatal and 3,434 were serious.

In 2025 police recorded 158 collisions, down 21% on 2024 (200), and casualties fell from 281 to 225.

Collisions, 1979 to 2025
17,238
148th lowest of 351 areas
Casualties
23,478
1.36 per collision
Fatal collisions
337
2% of collisions
Collisions in 2025
158
Down 21% on 2024

Crash severity in North Hertfordshire

2% of collisions in North Hertfordshire from 1979 to 2025 were fatal and 20% serious, against 1.6% and 18% across Great Britain.

Collisions by worst injury

  • Fatal3372%
  • Serious3,43420%
  • Slight13,46778%

People hurt, by injury

  • Fatal3691.6%
  • Serious4,06217%
  • Slight19,04781%

North Hertfordshire road accidents by year

Collisions and casualties in North Hertfordshire, 1979 to 2025

Collisions peaked at 512 in 1998. In 2025 there were 158, down 21% on 2024.

  • Collisions
  • Collisions in 2025: 158
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025158225
2024200281
2023166223
2022168236
2021153208
2020144229
2019193265
2018226306
2017225305
2016359481
2015290383
2014291400
2013249341
2012281396
2011253351
2010261391
2009315432
2008324453
2007407550
2006437625
2005439617
2004429613
2003440639
2002467648
2001468621
2000470646
1999459614
1998512718
1997447604
1996460612
1995392523
1994417578
1993443575
1992413541
1991418575
1990486646
1989511697
1988494663
1987439567
1986491656
1985403518
1984450593
1983444581
1982426561
1981415557
1980411559
1979494675

When and where crashes happen in North Hertfordshire

Collisions by day of the week

  • Monday2,448 (14%)
  • Tuesday2,550 (15%)
  • Wednesday2,448 (14%)
  • Thursday2,680 (16%)
  • Friday2,896 (17%)
  • Saturday2,284 (13%)
  • Sunday1,932 (11%)

Collisions by time of day

  • 00:00 to 02:59587 (3.4%)
  • 03:00 to 05:59250 (1.5%)
  • 06:00 to 08:592,644 (15%)
  • 09:00 to 11:592,476 (14%)
  • 12:00 to 14:592,974 (17%)
  • 15:00 to 17:594,107 (24%)
  • 18:00 to 20:592,640 (15%)
  • 21:00 to 23:591,560 (9%)

Collisions by month

  • January1,409 (8.2%)
  • February1,258 (7.3%)
  • March1,279 (7.4%)
  • April1,252 (7.3%)
  • May1,453 (8.4%)
  • June1,434 (8.3%)
  • July1,433 (8.3%)
  • August1,315 (7.6%)
  • September1,543 (9%)
  • October1,641 (9.5%)
  • November1,701 (9.9%)
  • December1,520 (8.8%)

Light conditions

  • Daylight12,492 (72%)
  • Dark, street lights lit2,657 (15%)
  • Dark, no street lighting1,841 (11%)
  • Dark, lighting unknown156 (0.9%)
  • Dark, street lights unlit92 (0.5%)

Weather at the time

  • Fine, no high winds13,559 (79%)
  • Raining, no high winds2,230 (13%)
  • Fine with high winds310 (1.8%)
  • Raining with high winds234 (1.4%)
  • Fog or mist227 (1.3%)
  • Snowing, no high winds123 (0.7%)
  • Snowing with high winds29 (0.2%)
  • Other338 (2%)
  • Not recorded188 (1.1%)

Road surface

  • Dry10,582 (61%)
  • Wet or damp5,981 (35%)
  • Frost or ice464 (2.7%)
  • Snow132 (0.8%)
  • Flood over 3cm deep37 (0.2%)
  • Oil or diesel3 (under 0.1%)
  • Mud2 (under 0.1%)
  • Not recorded37 (0.2%)

Speed limit at the scene

  • 20 mph55 (0.3%)
  • 30 mph9,348 (54%)
  • 40 mph819 (4.8%)
  • 50 mph307 (1.8%)
  • 60 mph4,319 (25%)
  • 70 mph2,390 (14%)

Type of road

  • Single carriageway12,871 (75%)
  • Dual carriageway2,413 (14%)
  • Roundabout1,223 (7.1%)
  • One way street or slip road664 (3.9%)
  • Not recorded67 (0.4%)

Source: Department for Transport, STATS19 road safety data

Who is hurt in road crashes in North Hertfordshire

Casualties by road user

  • Car occupant14,698 (63%)
  • Motorcyclist2,838 (12%)
  • Pedestrian2,452 (10%)
  • Cyclist2,070 (8.8%)
  • Van occupant665 (2.8%)
  • Bus or coach occupant205 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)195 (0.8%)
  • Minibus occupant118 (0.5%)
  • Taxi or private hire car occupant112 (0.5%)
  • Other vehicle occupant83 (0.4%)
  • Other33 (0.1%)
  • Not recorded9 (under 0.1%)

Casualties by age

  • 0 to 5421 (1.8%)
  • 6 to 10794 (3.4%)
  • 11 to 151,376 (5.9%)
  • 16 to 204,365 (19%)
  • 21 to 253,144 (13%)
  • 26 to 354,392 (19%)
  • 36 to 453,299 (14%)
  • 46 to 552,387 (10%)
  • 56 to 651,607 (6.8%)
  • 66 to 75934 (4%)
  • Over 75654 (2.8%)
  • Not recorded105 (0.4%)

Drivers, passengers and pedestrians

  • Driver or rider15,610 (66%)
  • Passenger5,416 (23%)
  • Pedestrian2,452 (10%)

Vehicles involved

  • Car23,379 (73%)
  • Motorcycle2,868 (9%)
  • Pedal cycle2,118 (6.6%)
  • Van or goods vehicle up to 3.5 tonnes1,586 (5%)
  • Goods vehicle over 3.5 tonnes1,089 (3.4%)
  • Bus or coach347 (1.1%)
  • Other vehicle222 (0.7%)
  • Taxi or private hire car218 (0.7%)
  • Minibus95 (0.3%)
  • Goods vehicle, weight unknown44 (0.1%)
  • Other61 (0.2%)
  • Not recorded10 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes and hotspots in North Hertfordshire

Map of the 24 most recent crashes and the 10 busiest accident hotspots in North Hertfordshire

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 North Hertfordshire ranks among 351 areas

Of the 351 areas in England, Scotland and Wales, North Hertfordshire had the 148th fewest road collisions from 1979 to 2025.

Collisions
148th
lowest of 351 areas
Casualties
141st
lowest of 351 areas
Fatal collisions
Joint 174th
lowest of 351 areas
Serious collisions
149th
lowest of 351 areas
Areas ranked by collisions, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
201stSouth Ribble17,34924,2942693,274
202ndWychavon17,31124,6544823,658
203rdWrexham17,26724,1572832,807
204thNorth Hertfordshire (this area)17,23823,4783373,434
205thIpswich17,23320,8801563,026
206thTelford and Wrekin17,21023,2472894,048
207thTunbridge Wells17,12822,8763113,575

Accident hotspots in North Hertfordshire

Hitchin Priory, North Hertfordshire, SG5 1LS area is the busiest accident hotspot in North Hertfordshire, with 636 collisions from 2001 to 2025, 4 of them fatal.

Roads in North Hertfordshire with the most crashes

The A505 had the most collisions in North Hertfordshire from 1979 to 2025: 3,184, including 82 fatal and 653 serious.

Roads ranked by collisions in North Hertfordshire, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA5053,1844,49882653
2ndB6561,0711,48220232
3rdA1(M)9351,49330150
4thA60259786411104
5thB1975337438101
6thA50745267418107
7thA6141446588875
8thA104226251790
9thA600415583693
10thB6552714011055
11thA1196327621
12thB651138170235
13thB1368125190437
14thB103993134322
15thB6525672112
16thA14313617
17thA6132242714
18thA4147800
19thM2571101
20thM15700

Towns in North Hertfordshire

Hitchin had the most collisions of any town in North Hertfordshire from 1979 to 2025: 3,543.

Postcode districts in North Hertfordshire

SG4 had the most collisions of any postcode district in North Hertfordshire from 1979 to 2025: 4,216.

Latest crashes in North Hertfordshire

Of the latest 24 crashes in North Hertfordshire, 1 was fatal and 3 were serious. The most recent was on 23 December 2025.

Severity