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CrashStats

Welwyn Hatfield road accidents in 2020: crash map and statistics

Police recorded 134 road traffic collisions in Welwyn Hatfield in 2020, and 184 people were killed or injured in them. Of those collisions, 2 were fatal and 34 were serious.

Collisions were down 42% on 2019 (233), and casualties fell from 347.

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

Collisions in 2020
134
Down 42% on 2019
Casualties in 2020
184
Down 47% on 2019
Fatal collisions
2
1.5% of collisions
Serious collisions
34
25% of collisions

Crash severity in Welwyn Hatfield in 2020

1.5% of collisions in Welwyn Hatfield in 2020 were fatal and 25% serious, against 1.4% and 19% in Welwyn Hatfield from 1979 to 2025.

Collisions by worst injury

  • Fatal21.5%
  • Serious3425%
  • Slight9873%

People hurt, by injury

  • Fatal21.1%
  • Serious3519%
  • Slight14780%

Welwyn Hatfield road accidents by year

Collisions and casualties in Welwyn Hatfield, 1979 to 2025

Collisions peaked at 493 in 1997. 2020 is highlighted, with 134, down 42% on 2019.

  • Collisions
  • Collisions in 2020: 134
  • 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 2020

Collisions by day of the week

  • Monday16 (12%)
  • Tuesday25 (19%)
  • Wednesday22 (16%)
  • Thursday22 (16%)
  • Friday17 (13%)
  • Saturday20 (15%)
  • Sunday12 (9%)

Collisions by time of day

  • 00:00 to 02:593 (2.2%)
  • 03:00 to 05:591 (0.7%)
  • 06:00 to 08:5916 (12%)
  • 09:00 to 11:5920 (15%)
  • 12:00 to 14:5931 (23%)
  • 15:00 to 17:5936 (27%)
  • 18:00 to 20:5921 (16%)
  • 21:00 to 23:596 (4.5%)

Collisions by month

  • January22 (16%)
  • February9 (6.7%)
  • March6 (4.5%)
  • April6 (4.5%)
  • May8 (6%)
  • June15 (11%)
  • July11 (8.2%)
  • August4 (3%)
  • September14 (10%)
  • October10 (7.5%)
  • November12 (9%)
  • December17 (13%)

Light conditions

  • Daylight98 (73%)
  • Dark, street lights lit24 (18%)
  • Dark, no street lighting7 (5.2%)
  • Dark, lighting unknown3 (2.2%)
  • Dark, street lights unlit2 (1.5%)

Weather at the time

  • Fine, no high winds105 (78%)
  • Raining, no high winds18 (13%)
  • Fine with high winds3 (2.2%)
  • Fog or mist2 (1.5%)
  • Raining with high winds1 (0.7%)
  • Other3 (2.2%)
  • Not recorded2 (1.5%)

Road surface

  • Dry89 (66%)
  • Wet or damp42 (31%)
  • Flood over 3cm deep1 (0.7%)
  • Frost or ice1 (0.7%)
  • Not recorded1 (0.7%)

Speed limit at the scene

  • 20 mph3 (2.2%)
  • 30 mph67 (50%)
  • 40 mph21 (16%)
  • 50 mph6 (4.5%)
  • 60 mph22 (16%)
  • 70 mph15 (11%)

Type of road

  • Single carriageway81 (60%)
  • Dual carriageway25 (19%)
  • Roundabout23 (17%)
  • One way street or slip road4 (3%)
  • Not recorded1 (0.7%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Welwyn Hatfield in 2020

Casualties by road user

  • Car occupant137 (74%)
  • Motorcyclist16 (8.7%)
  • Cyclist15 (8.2%)
  • Pedestrian11 (6%)
  • Van occupant2 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (0.5%)
  • Goods vehicle occupant (weight unknown)1 (0.5%)
  • Taxi or private hire car occupant1 (0.5%)

Casualties by age

  • 0 to 51 (0.5%)
  • 6 to 103 (1.6%)
  • 11 to 155 (2.7%)
  • 16 to 2020 (11%)
  • 21 to 2522 (12%)
  • 26 to 3536 (20%)
  • 36 to 4536 (20%)
  • 46 to 5528 (15%)
  • 56 to 6519 (10%)
  • 66 to 753 (1.6%)
  • Over 758 (4.3%)
  • Not recorded3 (1.6%)

Drivers, passengers and pedestrians

  • Driver or rider139 (76%)
  • Passenger34 (18%)
  • Pedestrian11 (6%)

Vehicles involved

  • Car214 (82%)
  • Motorcycle16 (6.2%)
  • Pedal cycle15 (5.8%)
  • Van or goods vehicle up to 3.5 tonnes6 (2.3%)
  • Goods vehicle over 3.5 tonnes4 (1.5%)
  • Goods vehicle, weight unknown3 (1.2%)
  • Other vehicle1 (0.4%)
  • Taxi or private hire car1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Welwyn Hatfield in 2020

Map of the last 24 crashes of 2020 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 350 areas in 2020

Of the 350 areas in England, Scotland and Wales, Welwyn Hatfield had fewer road collisions than 250 of them in 2020.

Collisions
251st
of 350 areas, highest first
Casualties
240th
of 350 areas, highest first
Fatal collisions
206th
of 350 areas, highest first
Serious collisions
229th
of 350 areas, highest first

Accident hotspots in Welwyn Hatfield in 2020

Hatfield Central, Welwyn Hatfield, AL10 0BU area was the busiest accident hotspot in Welwyn Hatfield in 2020, with 12 collisions, 4 of them serious.

Roads in Welwyn Hatfield with the most crashes in 2020

The A1(M) had the most collisions in Welwyn Hatfield in 2020: 14, including 1 fatal and 3 serious.

Roads ranked by collisions in Welwyn Hatfield, 2020
RankRoadCollisionsCasualtiesFatalSerious
1stA1(M)142213
2ndA1000111704
3rdA100181003
4thA4148811
5thB1957900
6thA61296700
7thB1975601
8thB64264603
9thB10002200
10thB1562300
11thB1572201
12thB1582301
13thB6562200

Towns in Welwyn Hatfield: crashes in 2020

Welwyn Garden City had the most collisions of any town in Welwyn Hatfield in 2020: 39.

Postcode districts in Welwyn Hatfield: crashes in 2020

AL9 had the most collisions of any postcode district in Welwyn Hatfield in 2020: 30.

Latest crashes in Welwyn Hatfield in 2020

Of the last 24 crashes in Welwyn Hatfield in 2020, none were fatal and 6 were serious. The last was on 29 December 2020.

Severity

Welwyn Hatfield road accidents in other years