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CrashStats

Radlett road accidents: crash map and statistics

Police recorded 724 road traffic collisions in Radlett, Hertsmere, from 1982 to 2025, and 884 people were killed or injured in them. Of those collisions, 6 were fatal and 112 were serious.

In 2025 police recorded 6 collisions, down from 13 in 2024.

Collisions since 1982
724
932nd highest of 2,851 towns
Casualties
884
1.22 per collision
Fatal collisions
6
6 people killed
Serious collisions
112
127 seriously injured
Collisions in 2025
6
13 in 2024
Casualties in 2025
7
16 in 2024

Road collision statistics for Radlett

Collisions by severity, 1982 to 2025

  • Fatal60.8%
  • Serious11215%
  • Slight60684%

What the data shows

  • Radlett had 118 collisions from 2016 to 2025, 10% fewer than the 131 from 2006 to 2015.
  • 16% of collisions in Radlett were fatal or serious, against 20% across Great Britain.
  • 83 children under 16 were killed or injured in Radlett, 9.7% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 35% of collisions in Radlett.

Where Radlett ranks among 2,851 towns

Most collisions
932nd
Most casualties
941st
Most fatal collisions
1,233rd
Most serious collisions
1,060th

Collisions by day of the week

  • Monday110 (15%)
  • Tuesday120 (17%)
  • Wednesday93 (13%)
  • Thursday125 (17%)
  • Friday109 (15%)
  • Saturday99 (14%)
  • Sunday68 (9.4%)

Light conditions

  • Daylight535 (74%)
  • Dark, street lights lit170 (23%)
  • Dark, no street lighting8 (1.1%)
  • Dark, lighting unknown7 (1%)
  • Dark, street lights unlit4 (0.6%)

Type of road

  • Single carriageway652 (90%)
  • Roundabout29 (4%)
  • One way street or slip road28 (3.9%)
  • Dual carriageway8 (1.1%)
  • Not recorded7 (1%)

Speed limit at the scene

  • 20 mph5 (0.7%)
  • 30 mph659 (91%)
  • 40 mph11 (1.5%)
  • 60 mph48 (6.6%)
  • 70 mph1 (0.1%)

Weather at the time

  • Fine, no high winds579 (80%)
  • Raining, no high winds98 (14%)
  • Fine with high winds5 (0.7%)
  • Fog or mist5 (0.7%)
  • Raining with high winds5 (0.7%)
  • Snowing, no high winds2 (0.3%)
  • Other22 (3%)
  • Not recorded8 (1.1%)

Who was hurt

  • Car occupant524 (59%)
  • Pedestrian153 (17%)
  • Motorcyclist117 (13%)
  • Cyclist53 (6%)
  • Van occupant23 (2.6%)
  • Taxi or private hire car occupant6 (0.7%)
  • Bus or coach occupant3 (0.3%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.2%)
  • Minibus occupant2 (0.2%)
  • Other vehicle occupant1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Radlett road accidents by year

Collisions and casualties in Radlett, 1982 to 2025

Collisions in Radlett peaked at 31 in 1990; 2025 had 6.

  • Collisions
  • Collisions in 2025: 6
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202567
20241316
20231113
20221517
2021911
202066
20191616
20181015
20171822
20161417
20151519
20141315
20131016
20121212
201179
20101926
20091824
20081218
20071216
20061315
20051519
2004912
20031420
20021821
20011621
20001314
19992226
19981416
19971515
19962026
19952328
19941415
19932938
19921721
19912427
19903141
19892026
19881616
19872738
19862327
19852226
19842829
19831818
19822734

Map of recent crashes in Radlett

Map of the 24 most recent crashes in Radlett

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in Radlett

The 24 most recent collisions in Radlett happened between 14 June 2023 and 13 December 2025.

Severity

Crashes by road in Radlett

The A5183 has the most collisions in Radlett, 326 of 724 (45%), followed by the B462 (117).

Collisions in Radlett on each road, 1982 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA5183326393548
2ndB462117153022
3rdB5565701

Council areas covering Radlett

Collisions in Radlett were recorded in 3 council areas. Hertsmere has 711 of 724 (98%).

Collisions in Radlett by council area, 1982 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHertsmere7118696110
2ndBarnet8902
3rdSt Albans3400

Postcode district for Radlett

All 724 collisions in Radlett were in the WD7 postcode district.