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CrashStats

North Hertfordshire road accidents in 2011: crash map and statistics

Police recorded 253 road traffic collisions in North Hertfordshire in 2011, and 351 people were killed or injured in them. Of those collisions, 6 were fatal and 29 were serious.

Collisions were down 3% on 2010 (261), and casualties fell from 391.

Across all years from 1979 to 2025, police recorded 17,238 collisions in North Hertfordshire.

Collisions in 2011
253
Down 3% on 2010
Casualties in 2011
351
Down 10% on 2010
Fatal collisions
6
2.4% of collisions
Serious collisions
29
11% of collisions

Crash severity in North Hertfordshire in 2011

2.4% of collisions in North Hertfordshire in 2011 were fatal and 11% serious, against 2% and 20% in North Hertfordshire from 1979 to 2025.

Collisions by worst injury

  • Fatal62.4%
  • Serious2911%
  • Slight21886%

People hurt, by injury

  • Fatal61.7%
  • Serious329.1%
  • Slight31389%

North Hertfordshire road accidents by year

Collisions and casualties in North Hertfordshire, 1979 to 2025

Collisions peaked at 512 in 1998. 2011 is highlighted, with 253, down 3% on 2010.

  • Collisions
  • Collisions in 2011
  • 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 in 2011

Collisions by day of the week

  • Monday37 (15%)
  • Tuesday29 (11%)
  • Wednesday32 (13%)
  • Thursday53 (21%)
  • Friday52 (21%)
  • Saturday23 (9.1%)
  • Sunday27 (11%)

Collisions by time of day

  • 00:00 to 02:597 (2.8%)
  • 03:00 to 05:595 (2%)
  • 06:00 to 08:5937 (15%)
  • 09:00 to 11:5945 (18%)
  • 12:00 to 14:5938 (15%)
  • 15:00 to 17:5960 (24%)
  • 18:00 to 20:5941 (16%)
  • 21:00 to 23:5920 (7.9%)

Collisions by month

  • January23 (9.1%)
  • February22 (8.7%)
  • March16 (6.3%)
  • April22 (8.7%)
  • May21 (8.3%)
  • June26 (10%)
  • July18 (7.1%)
  • August21 (8.3%)
  • September16 (6.3%)
  • October26 (10%)
  • November27 (11%)
  • December15 (5.9%)

Light conditions

  • Daylight176 (70%)
  • Dark, street lights lit41 (16%)
  • Dark, no street lighting34 (13%)
  • Dark, lighting unknown2 (0.8%)

Weather at the time

  • Fine, no high winds202 (80%)
  • Raining, no high winds38 (15%)
  • Raining with high winds3 (1.2%)
  • Fine with high winds2 (0.8%)
  • Other5 (2%)
  • Not recorded3 (1.2%)

Road surface

  • Dry173 (68%)
  • Wet or damp76 (30%)
  • Frost or ice4 (1.6%)

Speed limit at the scene

  • 30 mph137 (54%)
  • 40 mph14 (5.5%)
  • 50 mph8 (3.2%)
  • 60 mph56 (22%)
  • 70 mph38 (15%)

Type of road

  • Single carriageway187 (74%)
  • Dual carriageway36 (14%)
  • Roundabout16 (6.3%)
  • One way street or slip road14 (5.5%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in North Hertfordshire in 2011

Casualties by road user

  • Car occupant244 (70%)
  • Pedestrian33 (9.4%)
  • Motorcyclist31 (8.8%)
  • Cyclist26 (7.4%)
  • Van occupant9 (2.6%)
  • Taxi or private hire car occupant5 (1.4%)
  • Other vehicle occupant2 (0.6%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.3%)

Casualties by age

  • 0 to 59 (2.6%)
  • 6 to 109 (2.6%)
  • 11 to 1512 (3.4%)
  • 16 to 2061 (17%)
  • 21 to 2550 (14%)
  • 26 to 3565 (19%)
  • 36 to 4544 (13%)
  • 46 to 5547 (13%)
  • 56 to 6525 (7.1%)
  • 66 to 7519 (5.4%)
  • Over 759 (2.6%)
  • Not recorded1 (0.3%)

Drivers, passengers and pedestrians

  • Driver or rider232 (66%)
  • Passenger86 (25%)
  • Pedestrian33 (9.4%)

Vehicles involved

  • Car366 (79%)
  • Motorcycle31 (6.7%)
  • Pedal cycle26 (5.6%)
  • Van or goods vehicle up to 3.5 tonnes24 (5.2%)
  • Goods vehicle over 3.5 tonnes10 (2.1%)
  • Other vehicle5 (1.1%)
  • Taxi or private hire car3 (0.6%)
  • Bus or coach1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for North Hertfordshire in 2011

Map of the last 24 crashes of 2011 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 ranked among 351 areas in 2011

Of the 351 areas in England, Scotland and Wales, North Hertfordshire had fewer road collisions than 249 of them in 2011.

Collisions
250th
of 351 areas, highest first
Casualties
247th
of 351 areas, highest first
Fatal collisions
93rd
highest of 351 areas
Serious collisions
273rd
of 351 areas, highest first

Accident hotspots in North Hertfordshire in 2011

Hitchin Priory, North Hertfordshire, SG5 1LS area was the busiest accident hotspot in North Hertfordshire in 2011, with 27 collisions, 2 of them serious.

Roads in North Hertfordshire with the most crashes in 2011

The A505 had the most collisions in North Hertfordshire in 2011: 44, including 6 serious.

Roads ranked by collisions in North Hertfordshire, 2011
RankRoadCollisionsCasualtiesFatalSerious
1stA505446506
2ndA1(M)243102
3rdB656203003
4thA602121500
5thB197101202
6thA60071010
7thB65571012
8thA106800
9thB6514701
10thA5073500
11thB13682300
12thB10391100

Towns in North Hertfordshire: crashes in 2011

Hitchin had the most collisions of any town in North Hertfordshire in 2011: 62.

Postcode districts in North Hertfordshire: crashes in 2011

SG4 had the most collisions of any postcode district in North Hertfordshire in 2011: 67.

Latest crashes in North Hertfordshire in 2011

Of the last 24 crashes in North Hertfordshire in 2011, 1 was fatal and 2 were serious. The last was on 24 December 2011.

Severity

North Hertfordshire road accidents in other years