Skip to main content
CrashStats

Welwyn Garden City road accidents: crash map and statistics

Police recorded 4,212 road traffic collisions in Welwyn Garden City, Welwyn Hatfield, from 1979 to 2025, and 5,376 people were killed or injured in them. Of those collisions, 44 were fatal and 793 were serious.

In 2025 police recorded 22 collisions, down 29% on 2024 (31).

Collisions since 1979
4,212
245th highest of 2,851 towns
Casualties
5,376
1.28 per collision
Fatal collisions
44
45 people killed
Serious collisions
793
872 seriously injured
Collisions in 2025
22
Down 29% on 2024
Casualties in 2025
25
Down 39% on 2024

Road collision statistics for Welwyn Garden City

Collisions by severity, 1979 to 2025

  • Fatal441%
  • Serious79319%
  • Slight3,37580%

What the data shows

  • Welwyn Garden City had 430 collisions from 2016 to 2025, 39% fewer than the 707 from 2006 to 2015.
  • 20% of collisions in Welwyn Garden City were fatal or serious, against 20% across Great Britain.
  • 826 children under 16 were killed or injured in Welwyn Garden City, 15% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 37% of collisions in Welwyn Garden City.

Where Welwyn Garden City ranks among 2,851 towns

Most collisions
245th
Most casualties
244th
Most fatal collisions
250th
Most serious collisions
232nd

Collisions by day of the week

  • Monday593 (14%)
  • Tuesday640 (15%)
  • Wednesday652 (15%)
  • Thursday719 (17%)
  • Friday700 (17%)
  • Saturday511 (12%)
  • Sunday397 (9.4%)

Light conditions

  • Daylight3,043 (72%)
  • Dark, street lights lit1,035 (25%)
  • Dark, street lights unlit59 (1.4%)
  • Dark, lighting unknown41 (1%)
  • Dark, no street lighting34 (0.8%)

Type of road

  • Single carriageway3,315 (79%)
  • Roundabout445 (11%)
  • One way street or slip road244 (5.8%)
  • Dual carriageway193 (4.6%)
  • Not recorded15 (0.4%)

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 20 mph24 (0.6%)
  • 30 mph3,556 (84%)
  • 40 mph506 (12%)
  • 50 mph2 (under 0.1%)
  • 60 mph84 (2%)
  • 70 mph39 (0.9%)

Weather at the time

  • Fine, no high winds3,368 (80%)
  • Raining, no high winds570 (14%)
  • Fine with high winds52 (1.2%)
  • Raining with high winds35 (0.8%)
  • Fog or mist27 (0.6%)
  • Snowing, no high winds26 (0.6%)
  • Snowing with high winds3 (0.1%)
  • Other76 (1.8%)
  • Not recorded55 (1.3%)

Who was hurt

  • Car occupant2,715 (51%)
  • Pedestrian876 (16%)
  • Motorcyclist811 (15%)
  • Cyclist750 (14%)
  • Van occupant80 (1.5%)
  • Bus or coach occupant51 (0.9%)
  • Taxi or private hire car occupant46 (0.9%)
  • Minibus occupant17 (0.3%)
  • Other vehicle occupant17 (0.3%)
  • Goods vehicle occupant (over 3.5 tonnes)11 (0.2%)
  • Other1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

Welwyn Garden City road accidents by year

Collisions and casualties in Welwyn Garden City, 1979 to 2025

Collisions in Welwyn Garden City peaked at 144 in 1983; 2025 had 22.

  • Collisions
  • Collisions in 2025: 22
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252225
20243141
20234457
20225673
20213038
20203955
20195167
20185266
20174752
20165880
20157693
20147092
20135765
20126989
20115369
20105882
20095770
20087797
200788105
2006102137
20057994
200491116
200396127
2002104145
2001103144
200092124
1999111143
1998100135
1997128164
1996120166
1995105129
1994117158
1993107128
1992119147
199194111
1990121157
1989120149
1988111132
1987122153
1986129156
1985124146
1984131162
1983144187
1982134167
1981114147
1980136176
1979123160

Map of recent crashes in Welwyn Garden City

Map of the 24 most recent crashes in Welwyn Garden City

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Welwyn Garden City

The 24 most recent collisions in Welwyn Garden City happened between 21 November 2024 and 20 December 2025.

Severity

Crashes by road in Welwyn Garden City

The A1000 has the most collisions in Welwyn Garden City, 524 of 4,212 (12%), followed by the B195 (355).

Collisions in Welwyn Garden City on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA10005246784101
2ndB195355467566
3rdA6129209283246
4thA1(M)295217
5thB1000243906
6thB197162514
7thA181903
8thB6534601
9thA4143311

Council areas covering Welwyn Garden City

Collisions in Welwyn Garden City were recorded in 2 council areas. Welwyn Hatfield has 4,201 of 4,212 (99.7%).

Collisions in Welwyn Garden City by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWelwyn Hatfield4,2015,36243789
2ndEast Hertfordshire5512

Postcode districts in Welwyn Garden City

Collisions in Welwyn Garden City were recorded in 3 postcode districts, led by AL7 (2,606) and AL8 (1,496).