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CrashStats

AL8 road accidents: crash map and statistics

Police recorded 2,381 road traffic collisions in the AL8 postcode district, Welwyn Hatfield, from 1979 to 2025, and 3,225 people were killed or injured in them. Of those collisions, 27 were fatal and 455 were serious.

In 2025 police recorded 12 collisions, down from 15 in 2024.

Collisions since 1979
2,381
1,573rd of 2,813 postcode districts, highest first
Casualties
3,225
1.35 per collision
Fatal collisions
27
28 people killed
Serious collisions
455
513 seriously injured
Collisions in 2025
12
15 in 2024
Casualties in 2025
12
Down 54% on 2024

Road collision statistics for AL8

Collisions by severity, 1979 to 2025

  • Fatal271.1%
  • Serious45519%
  • Slight1,89980%

What the data shows

  • AL8 had 248 collisions from 2016 to 2025, 42% fewer than the 428 from 2006 to 2015.
  • 20% of collisions in AL8 were fatal or serious, against 20% across Great Britain.
  • 388 children under 16 were killed or injured in AL8, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 39% of collisions in AL8.

Where AL8 ranks among 2,813 postcode districts

Most collisions
1,573rd
Most casualties
1,582nd
Most fatal collisions
1,946th
Most serious collisions
1,617th

Collisions by day of the week

  • Monday326 (14%)
  • Tuesday350 (15%)
  • Wednesday365 (15%)
  • Thursday393 (17%)
  • Friday379 (16%)
  • Saturday332 (14%)
  • Sunday236 (9.9%)

Light conditions

  • Daylight1,747 (73%)
  • Dark, street lights lit451 (19%)
  • Dark, no street lighting144 (6%)
  • Dark, street lights unlit21 (0.9%)
  • Dark, lighting unknown18 (0.8%)

Type of road

  • Single carriageway1,538 (65%)
  • Dual carriageway434 (18%)
  • Roundabout207 (8.7%)
  • One way street or slip road196 (8.2%)
  • Not recorded6 (0.3%)

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 20 mph14 (0.6%)
  • 30 mph1,339 (56%)
  • 40 mph403 (17%)
  • 50 mph3 (0.1%)
  • 60 mph338 (14%)
  • 70 mph283 (12%)

Weather at the time

  • Fine, no high winds1,866 (78%)
  • Raining, no high winds354 (15%)
  • Fine with high winds39 (1.6%)
  • Raining with high winds22 (0.9%)
  • Fog or mist19 (0.8%)
  • Snowing, no high winds11 (0.5%)
  • Snowing with high winds3 (0.1%)
  • Other39 (1.6%)
  • Not recorded28 (1.2%)

Who was hurt

  • Car occupant1,988 (62%)
  • Pedestrian388 (12%)
  • Motorcyclist377 (12%)
  • Cyclist304 (9.4%)
  • Van occupant54 (1.7%)
  • Bus or coach occupant32 (1%)
  • Taxi or private hire car occupant28 (0.9%)
  • Goods vehicle occupant (over 3.5 tonnes)22 (0.7%)
  • Minibus occupant21 (0.7%)
  • Other vehicle occupant8 (0.2%)
  • Other3 (0.1%)

Source: Department for Transport, STATS19 road safety data

AL8 road accidents by year

Collisions and casualties in AL8, 1979 to 2025

Collisions in AL8 peaked at 81 in 1998; 2025 had 12.

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251212
20241526
20231524
20222636
20212735
20202327
20192936
20183549
20173543
20163144
20154047
20144565
20134657
20124153
20112842
20103144
20093749
20085775
20075576
20064872
20055074
20046192
20035581
20025886
20016275
20007093
19997496
199881124
19976692
19966894
19954961
199470106
19934350
19925473
19915268
19905678
19896484
19887089
19877595
19866790
19855564
19847091
198375103
198272109
19816482
19806790
19795773

Map of recent crashes in AL8

Map of the 24 most recent crashes in AL8

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in AL8

The 24 most recent collisions in AL8 happened between 9 June 2024 and 20 December 2025.

Severity

Crashes by road in AL8

The A6129 has the most collisions in AL8, 343 of 2,381 (14%), followed by the A1(M) (205).

Collisions in AL8 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA6129343453471
2ndA1(M)205306344
3rdB195186240332
4thB653164248237
5thA1000132215331
6thB197129180224
7thA1417527

Council area for AL8

AL8 is in Welwyn Hatfield, where police recorded 16,554 collisions from 1979 to 2025. AL8 accounts for 14% of them.

Town in AL8

Of the 2,381 collisions in AL8, 1,496 (63%) were in Welwyn Garden City.