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CrashStats

AL5 road accidents: crash map and statistics

Police recorded 3,068 road traffic collisions in the AL5 postcode district, St Albans, from 1979 to 2025, and 4,219 people were killed or injured in them. Of those collisions, 41 were fatal and 583 were serious.

In 2025 police recorded 26 collisions, level with 2024.

Collisions since 1979
3,068
1,291st highest of 2,813 postcode districts
Casualties
4,219
1.38 per collision
Fatal collisions
41
44 people killed
Serious collisions
583
684 seriously injured
Collisions in 2025
26
Level with 2024
Casualties in 2025
32
Down 3% on 2024

Road collision statistics for AL5

Collisions by severity, 1979 to 2025

  • Fatal411.3%
  • Serious58319%
  • Slight2,44480%

What the data shows

  • AL5 had 267 collisions from 2016 to 2025, 45% fewer than the 485 from 2006 to 2015.
  • 20% of collisions in AL5 were fatal or serious, against 20% across Great Britain.
  • 434 children under 16 were killed or injured in AL5, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in AL5.

Where AL5 ranks among 2,813 postcode districts

Most collisions
1,291st
Most casualties
1,237th
Most fatal collisions
1,464th
Most serious collisions
1,255th

Collisions by day of the week

  • Monday421 (14%)
  • Tuesday458 (15%)
  • Wednesday466 (15%)
  • Thursday451 (15%)
  • Friday542 (18%)
  • Saturday412 (13%)
  • Sunday318 (10%)

Light conditions

  • Daylight2,203 (72%)
  • Dark, street lights lit671 (22%)
  • Dark, no street lighting145 (4.7%)
  • Dark, lighting unknown29 (0.9%)
  • Dark, street lights unlit20 (0.7%)

Type of road

  • Single carriageway2,460 (80%)
  • Dual carriageway402 (13%)
  • Roundabout155 (5.1%)
  • One way street or slip road41 (1.3%)
  • Not recorded10 (0.3%)

Speed limit at the scene

  • 20 mph9 (0.3%)
  • 30 mph1,904 (62%)
  • 40 mph254 (8.3%)
  • 50 mph6 (0.2%)
  • 60 mph522 (17%)
  • 70 mph373 (12%)

Weather at the time

  • Fine, no high winds2,411 (79%)
  • Raining, no high winds456 (15%)
  • Fog or mist38 (1.2%)
  • Fine with high winds32 (1%)
  • Raining with high winds32 (1%)
  • Snowing, no high winds16 (0.5%)
  • Snowing with high winds1 (under 0.1%)
  • Other55 (1.8%)
  • Not recorded27 (0.9%)

Who was hurt

  • Car occupant2,643 (63%)
  • Pedestrian475 (11%)
  • Motorcyclist431 (10%)
  • Cyclist415 (9.8%)
  • Van occupant103 (2.4%)
  • Bus or coach occupant52 (1.2%)
  • Goods vehicle occupant (over 3.5 tonnes)40 (0.9%)
  • Taxi or private hire car occupant26 (0.6%)
  • Other vehicle occupant16 (0.4%)
  • Minibus occupant9 (0.2%)
  • Other9 (0.2%)

Source: Department for Transport, STATS19 road safety data

AL5 road accidents by year

Collisions and casualties in AL5, 1979 to 2025

Collisions in AL5 peaked at 105 in 1986; 2025 had 26.

  • Collisions
  • Collisions in 2025: 26
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252632
20242633
20232024
20223263
20212633
20201318
20193243
20182843
20172227
20164256
20153644
20143245
20134054
20124455
20113746
20103846
20093845
20084967
200785122
200686124
200581111
200489129
200384113
200274108
200191143
200091128
1999101154
199875111
199795122
199674116
199579164
19946985
199394130
19927393
19917399
199075103
1989103138
198884108
1987100130
1986105141
19858199
198487105
19836683
1982101125
198179113
1980102134
197990114

Map of recent crashes in AL5

Map of the 24 most recent crashes in AL5

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in AL5

The 24 most recent collisions in AL5 happened between 3 February and 19 December 2025.

Severity

Crashes by road in AL5

The A1081 has the most collisions in AL5, 942 of 3,068 (31%), followed by the M1 (368).

Collisions in AL5 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA10819421,29619197
2ndM1368703852
3rdB652262313255
4thB653200283238
5thB487110175733
6thA6129232607
7thA68902

Council areas covering AL5

Collisions in AL5 were recorded in 5 council areas. St Albans has 2,652 of 3,068 (86%).

Collisions in AL5 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSt Albans2,6523,44231517
2ndDacorum371703951
3rdCentral Bedfordshire234408
4thLuton142116
5thNorth Hertfordshire6600

Town in AL5

Of the 3,068 collisions in AL5, 1,770 (58%) were in Harpenden.