Skip to main content
CrashStats

AL3 road accidents: crash map and statistics

Police recorded 8,184 road traffic collisions in the AL3 postcode district, St Albans, from 1979 to 2025, and 13,423 people were killed or injured in them. Of those collisions, 126 were fatal and 1,481 were serious.

In 2025 police recorded 77 collisions, up 64% on 2024 (47).

Collisions since 1979
8,184
116th highest of 2,813 postcode districts
Casualties
13,423
1.64 per collision
Fatal collisions
126
144 people killed
Serious collisions
1,481
1,869 seriously injured
Collisions in 2025
77
Up 64% on 2024
Casualties in 2025
118
Up 97% on 2024

Road collision statistics for AL3

Collisions by severity, 1979 to 2025

  • Fatal1261.5%
  • Serious1,48118%
  • Slight6,57780%

What the data shows

  • AL3 had 813 collisions from 2016 to 2025, 33% fewer than the 1,211 from 2006 to 2015.
  • 20% of collisions in AL3 were fatal or serious, against 20% across Great Britain.
  • 1,055 children under 16 were killed or injured in AL3, 7.9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in AL3.

Where AL3 ranks among 2,813 postcode districts

Most collisions
116th
Most casualties
39th
Most fatal collisions
142nd
Most serious collisions
91st

Collisions by day of the week

  • Monday1,017 (12%)
  • Tuesday1,078 (13%)
  • Wednesday1,146 (14%)
  • Thursday1,131 (14%)
  • Friday1,490 (18%)
  • Saturday1,198 (15%)
  • Sunday1,124 (14%)

Light conditions

  • Daylight5,746 (70%)
  • Dark, street lights lit1,956 (24%)
  • Dark, no street lighting371 (4.5%)
  • Dark, lighting unknown68 (0.8%)
  • Dark, street lights unlit43 (0.5%)

Type of road

  • Single carriageway3,954 (48%)
  • Dual carriageway3,852 (47%)
  • Roundabout252 (3.1%)
  • One way street or slip road114 (1.4%)
  • Not recorded12 (0.1%)

Speed limit at the scene

  • 20 mph26 (0.3%)
  • 30 mph2,070 (25%)
  • 40 mph157 (1.9%)
  • 50 mph220 (2.7%)
  • 60 mph1,853 (23%)
  • 70 mph3,858 (47%)

Weather at the time

  • Fine, no high winds6,397 (78%)
  • Raining, no high winds1,219 (15%)
  • Raining with high winds114 (1.4%)
  • Fine with high winds111 (1.4%)
  • Fog or mist111 (1.4%)
  • Snowing, no high winds32 (0.4%)
  • Snowing with high winds13 (0.2%)
  • Other142 (1.7%)
  • Not recorded45 (0.5%)

Who was hurt

  • Car occupant10,320 (77%)
  • Motorcyclist975 (7.3%)
  • Van occupant548 (4.1%)
  • Pedestrian527 (3.9%)
  • Cyclist391 (2.9%)
  • Goods vehicle occupant (over 3.5 tonnes)312 (2.3%)
  • Bus or coach occupant148 (1.1%)
  • Taxi or private hire car occupant89 (0.7%)
  • Minibus occupant63 (0.5%)
  • Other vehicle occupant35 (0.3%)
  • Other14 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

AL3 road accidents by year

Collisions and casualties in AL3, 1979 to 2025

Collisions in AL3 peaked at 351 in 2000; 2025 had 77.

  • Collisions
  • Collisions in 2025: 77
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202577118
20244760
202397137
202277109
202179124
20205683
201995167
201884135
201785139
2016116168
201583124
201470107
201383122
201294148
2011107161
2010119183
2009101176
2008159269
2007199324
2006196293
2005314586
2004321597
2003311568
2002300536
2001281503
2000351623
1999280511
1998270415
1997279467
1996263485
1995242392
1994211323
1993179295
1992175261
1991165269
1990230395
1989203312
1988222367
1987168256
1986217332
1985182290
1984169274
1983146219
1982167236
1981157222
1980171254
1979186288

Map of recent crashes in AL3

Map of the 24 most recent crashes in AL3

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in AL3

The 24 most recent collisions in AL3 happened between 30 September and 30 December 2025.

Severity

Crashes by road in AL3

The M1 has the most collisions in AL3, 3,798 of 8,184 (46%), followed by the A5183 (903).

Collisions in AL3 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stM13,7987,02837505
2ndA51839031,32133205
3rdA56641,13920190
4thA108154378010106
5thA4147230315556
6thB487187307549
7thA414143194432
8thB454075125222
9thM10445719
10thB651244103
11thB4630223102

Council areas covering AL3

Collisions in AL3 were recorded in 7 council areas. St Albans has 6,439 of 8,184 (79%).

Collisions in AL3 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSt Albans6,43910,341951,096
2ndDacorum1,6622,96528367
3rdCentral Bedfordshire6192216
4thNorth Hertfordshire7900
5thLuton5610
6thBroxbourne4400
7thThree Rivers3302

Towns in AL3

Collisions in AL3 were recorded in 4 towns, led by St Albans (1,619) and Markyate (267).