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CrashStats

Welwyn Hatfield road accidents in 2017: crash map and statistics

Police recorded 244 road traffic collisions in Welwyn Hatfield in 2017, and 343 people were killed or injured in them. Of those collisions, 5 were fatal and 39 were serious.

Collisions were down 17% on 2016 (293), and casualties fell from 421.

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

Collisions in 2017
244
Down 17% on 2016
Casualties in 2017
343
Down 19% on 2016
Fatal collisions
5
2% of collisions
Serious collisions
39
16% of collisions

Crash severity in Welwyn Hatfield in 2017

2% of collisions in Welwyn Hatfield in 2017 were fatal and 16% serious, against 1.4% and 19% in Welwyn Hatfield from 1979 to 2025.

Collisions by worst injury

  • Fatal52%
  • Serious3916%
  • Slight20082%

People hurt, by injury

  • Fatal51.5%
  • Serious4212%
  • Slight29686%

Welwyn Hatfield road accidents by year

Collisions and casualties in Welwyn Hatfield, 1979 to 2025

Collisions peaked at 493 in 1997. 2017 is highlighted, with 244, down 17% on 2016.

  • Collisions
  • Collisions in 2017
  • 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 2017

Collisions by day of the week

  • Monday31 (13%)
  • Tuesday34 (14%)
  • Wednesday34 (14%)
  • Thursday36 (15%)
  • Friday55 (23%)
  • Saturday33 (14%)
  • Sunday21 (8.6%)

Collisions by time of day

  • 00:00 to 02:5911 (4.5%)
  • 03:00 to 05:595 (2%)
  • 06:00 to 08:5948 (20%)
  • 09:00 to 11:5941 (17%)
  • 12:00 to 14:5934 (14%)
  • 15:00 to 17:5959 (24%)
  • 18:00 to 20:5929 (12%)
  • 21:00 to 23:5917 (7%)

Collisions by month

  • January24 (9.8%)
  • February11 (4.5%)
  • March23 (9.4%)
  • April14 (5.7%)
  • May22 (9%)
  • June25 (10%)
  • July19 (7.8%)
  • August16 (6.6%)
  • September26 (11%)
  • October17 (7%)
  • November25 (10%)
  • December22 (9%)

Light conditions

  • Daylight165 (68%)
  • Dark, street lights lit50 (20%)
  • Dark, no street lighting19 (7.8%)
  • Dark, lighting unknown8 (3.3%)
  • Dark, street lights unlit2 (0.8%)

Weather at the time

  • Fine, no high winds194 (80%)
  • Raining, no high winds30 (12%)
  • Snowing, no high winds4 (1.6%)
  • Raining with high winds2 (0.8%)
  • Fine with high winds1 (0.4%)
  • Fog or mist1 (0.4%)
  • Other10 (4.1%)
  • Not recorded2 (0.8%)

Road surface

  • Dry170 (70%)
  • Wet or damp63 (26%)
  • Frost or ice8 (3.3%)
  • Snow1 (0.4%)
  • Not recorded2 (0.8%)

Speed limit at the scene

  • 20 mph2 (0.8%)
  • 30 mph106 (43%)
  • 40 mph35 (14%)
  • 50 mph15 (6.1%)
  • 60 mph43 (18%)
  • 70 mph43 (18%)

Type of road

  • Single carriageway134 (55%)
  • Dual carriageway50 (20%)
  • Roundabout49 (20%)
  • One way street or slip road9 (3.7%)
  • Not recorded2 (0.8%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Welwyn Hatfield in 2017

Casualties by road user

  • Car occupant247 (72%)
  • Cyclist28 (8.2%)
  • Motorcyclist28 (8.2%)
  • Pedestrian24 (7%)
  • Van occupant13 (3.8%)
  • Goods vehicle occupant (weight unknown)1 (0.3%)
  • Mobility scooter rider1 (0.3%)
  • Taxi or private hire car occupant1 (0.3%)

Casualties by age

  • 0 to 55 (1.5%)
  • 6 to 105 (1.5%)
  • 11 to 1516 (4.7%)
  • 16 to 2028 (8.2%)
  • 21 to 2544 (13%)
  • 26 to 3581 (24%)
  • 36 to 4562 (18%)
  • 46 to 5545 (13%)
  • 56 to 6526 (7.6%)
  • 66 to 7514 (4.1%)
  • Over 759 (2.6%)
  • Not recorded8 (2.3%)

Drivers, passengers and pedestrians

  • Driver or rider246 (72%)
  • Passenger73 (21%)
  • Pedestrian24 (7%)

Vehicles involved

  • Car376 (79%)
  • Motorcycle29 (6.1%)
  • Pedal cycle29 (6.1%)
  • Van or goods vehicle up to 3.5 tonnes25 (5.2%)
  • Goods vehicle over 3.5 tonnes5 (1%)
  • Taxi or private hire car5 (1%)
  • Goods vehicle, weight unknown4 (0.8%)
  • Bus or coach2 (0.4%)
  • Mobility scooter1 (0.2%)
  • Not recorded2 (0.4%)

Source: Department for Transport, STATS19 road safety data

Crash map for Welwyn Hatfield in 2017

Map of the last 24 crashes of 2017 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 2017

Of the 351 areas in England, Scotland and Wales, Welwyn Hatfield had fewer road collisions than 205 of them in 2017.

Collisions
206th
of 351 areas, highest first
Casualties
197th
of 351 areas, highest first
Fatal collisions
106th
highest of 351 areas
Serious collisions
229th
of 351 areas, highest first

Accident hotspots in Welwyn Hatfield in 2017

Hatfield South West, Welwyn Hatfield, AL10 9TB area was the busiest accident hotspot in Welwyn Hatfield in 2017, with 27 collisions, 1 of them fatal.

Roads in Welwyn Hatfield with the most crashes in 2017

The A1(M) had the most collisions in Welwyn Hatfield in 2017: 36, including 1 fatal and 4 serious.

Roads ranked by collisions in Welwyn Hatfield, 2017
RankRoadCollisionsCasualtiesFatalSerious
1stA1(M)367014
2ndA1001203311
3rdA1000192404
4thA414131702
5thA612981400
6thB19581001
7thB1567701
8thB1976602
9thB6534601
10thB1583302
11thB10002400
12thB1572501
13thA10571200
14thB64261101

Towns in Welwyn Hatfield: crashes in 2017

Hatfield had the most collisions of any town in Welwyn Hatfield in 2017: 53.

Postcode districts in Welwyn Hatfield: crashes in 2017

AL10 had the most collisions of any postcode district in Welwyn Hatfield in 2017: 65.

Latest crashes in Welwyn Hatfield in 2017

Of the last 24 crashes in Welwyn Hatfield in 2017, none were fatal and 7 were serious. The last was on 29 December 2017.

Severity

Welwyn Hatfield road accidents in other years