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CrashStats

Welwyn Hatfield road accidents in 2011: crash map and statistics

Police recorded 241 road traffic collisions in Welwyn Hatfield in 2011, and 341 people were killed or injured in them. Of those collisions, 1 was fatal and 29 were serious.

Collisions were down 6% on 2010 (257), and casualties fell from 358.

Across all years from 1979 to 2025, police recorded 16,554 collisions in Welwyn Hatfield.

Collisions in 2011
241
Down 6% on 2010
Casualties in 2011
341
Down 5% on 2010
Fatal collisions
1
0.4% of collisions
Serious collisions
29
12% of collisions

Crash severity in Welwyn Hatfield in 2011

0.4% of collisions in Welwyn Hatfield in 2011 were fatal and 12% serious, against 1.4% and 19% in Welwyn Hatfield from 1979 to 2025.

Collisions by worst injury

  • Fatal10.4%
  • Serious2912%
  • Slight21188%

People hurt, by injury

  • Fatal10.3%
  • Serious329.4%
  • Slight30890%

Welwyn Hatfield road accidents by year

Collisions and casualties in Welwyn Hatfield, 1979 to 2025

Collisions peaked at 493 in 1997. 2011 is highlighted, with 241, down 6% on 2010.

  • Collisions
  • Collisions in 2011
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025122160
2024172248
2023170218
2022186264
2021165218
2020134184
2019233347
2018229343
2017244343
2016293421
2015295407
2014323451
2013262338
2012290409
2011241341
2010257358
2009291405
2008349468
2007402546
2006397582
2005399554
2004457641
2003438628
2002474657
2001455619
2000454650
1999459650
1998462723
1997493662
1996459656
1995403573
1994400544
1993385527
1992376526
1991346481
1990426572
1989447595
1988408564
1987384509
1986477624
1985418541
1984416532
1983429557
1982432583
1981395520
1980387519
1979420582

When and where crashes happen in Welwyn Hatfield in 2011

Collisions by day of the week

  • Monday33 (14%)
  • Tuesday29 (12%)
  • Wednesday45 (19%)
  • Thursday39 (16%)
  • Friday39 (16%)
  • Saturday32 (13%)
  • Sunday24 (10%)

Collisions by time of day

  • 00:00 to 02:5910 (4.1%)
  • 03:00 to 05:593 (1.2%)
  • 06:00 to 08:5930 (12%)
  • 09:00 to 11:5921 (8.7%)
  • 12:00 to 14:5953 (22%)
  • 15:00 to 17:5960 (25%)
  • 18:00 to 20:5945 (19%)
  • 21:00 to 23:5919 (7.9%)

Collisions by month

  • January25 (10%)
  • February18 (7.5%)
  • March18 (7.5%)
  • April12 (5%)
  • May21 (8.7%)
  • June16 (6.6%)
  • July14 (5.8%)
  • August17 (7.1%)
  • September23 (9.5%)
  • October24 (10%)
  • November31 (13%)
  • December22 (9.1%)

Light conditions

  • Daylight162 (67%)
  • Dark, street lights lit58 (24%)
  • Dark, no street lighting18 (7.5%)
  • Dark, lighting unknown2 (0.8%)
  • Dark, street lights unlit1 (0.4%)

Weather at the time

  • Fine, no high winds204 (85%)
  • Raining, no high winds28 (12%)
  • Fine with high winds3 (1.2%)
  • Other6 (2.5%)

Road surface

  • Dry171 (71%)
  • Wet or damp64 (27%)
  • Frost or ice6 (2.5%)

Speed limit at the scene

  • 20 mph1 (0.4%)
  • 30 mph103 (43%)
  • 40 mph35 (15%)
  • 50 mph8 (3.3%)
  • 60 mph58 (24%)
  • 70 mph36 (15%)

Type of road

  • Single carriageway136 (56%)
  • Dual carriageway48 (20%)
  • Roundabout48 (20%)
  • One way street or slip road9 (3.7%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Welwyn Hatfield in 2011

Casualties by road user

  • Car occupant227 (67%)
  • Cyclist33 (9.7%)
  • Motorcyclist33 (9.7%)
  • Pedestrian19 (5.6%)
  • Van occupant14 (4.1%)
  • Taxi or private hire car occupant8 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.6%)
  • Minibus occupant2 (0.6%)
  • Other vehicle occupant2 (0.6%)
  • Bus or coach occupant1 (0.3%)

Casualties by age

  • 0 to 53 (0.9%)
  • 6 to 108 (2.3%)
  • 11 to 159 (2.6%)
  • 16 to 2061 (18%)
  • 21 to 2551 (15%)
  • 26 to 3569 (20%)
  • 36 to 4557 (17%)
  • 46 to 5534 (10%)
  • 56 to 6527 (7.9%)
  • 66 to 7512 (3.5%)
  • Over 7510 (2.9%)

Drivers, passengers and pedestrians

  • Driver or rider240 (70%)
  • Passenger82 (24%)
  • Pedestrian19 (5.6%)

Vehicles involved

  • Car350 (73%)
  • Motorcycle35 (7.3%)
  • Pedal cycle33 (6.9%)
  • Van or goods vehicle up to 3.5 tonnes31 (6.5%)
  • Goods vehicle over 3.5 tonnes13 (2.7%)
  • Taxi or private hire car7 (1.5%)
  • Bus or coach3 (0.6%)
  • Other vehicle3 (0.6%)
  • Minibus2 (0.4%)
  • Agricultural vehicle1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Crash map for Welwyn Hatfield in 2011

Map of the last 24 crashes of 2011 and the 10 busiest accident hotspots in Welwyn Hatfield

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Welwyn Hatfield ranked among 351 areas in 2011

Of the 351 areas in England, Scotland and Wales, Welwyn Hatfield had fewer road collisions than 258 of them in 2011.

Collisions
259th
of 351 areas, highest first
Casualties
255th
of 351 areas, highest first
Fatal collisions
290th
of 351 areas, highest first
Serious collisions
273rd
of 351 areas, highest first

Accident hotspots in Welwyn Hatfield in 2011

Hatfield South West, Welwyn Hatfield, AL10 9TB area was the busiest accident hotspot in Welwyn Hatfield in 2011, with 30 collisions, 3 of them serious.

Roads in Welwyn Hatfield with the most crashes in 2011

The A1000 had the most collisions in Welwyn Hatfield in 2011: 28, including 2 serious.

Roads ranked by collisions in Welwyn Hatfield, 2011
RankRoadCollisionsCasualtiesFatalSerious
1stA1000284102
2ndA1(M)275012
3rdA1001244001
4thA414131601
5thB6426131601
6thB197101302
7thB19571301
8thA61296902
9thB1585701
10thA10574401
11thB10004400
12thB1562200
13thB1571200
14thB6531200

Towns in Welwyn Hatfield: crashes in 2011

Hatfield had the most collisions of any town in Welwyn Hatfield in 2011: 59.

Postcode districts in Welwyn Hatfield: crashes in 2011

AL10 had the most collisions of any postcode district in Welwyn Hatfield in 2011: 73.

Latest crashes in Welwyn Hatfield in 2011

Of the last 24 crashes in Welwyn Hatfield in 2011, none were fatal and 3 were serious. The last was on 27 December 2011.

Severity

Welwyn Hatfield road accidents in other years