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CrashStats

WD17 road accidents: crash map and statistics

Police recorded 4,234 road traffic collisions in the WD17 postcode district, Watford, from 1979 to 2025, and 5,523 people were killed or injured in them. Of those collisions, 35 were fatal and 705 were serious.

In 2025 police recorded 41 collisions, up 24% on 2024 (33).

Collisions since 1979
4,234
796th highest of 2,813 postcode districts
Casualties
5,523
1.30 per collision
Fatal collisions
35
36 people killed
Serious collisions
705
800 seriously injured
Collisions in 2025
41
Up 24% on 2024
Casualties in 2025
52
Up 30% on 2024

Road collision statistics for WD17

Collisions by severity, 1979 to 2025

  • Fatal350.8%
  • Serious70517%
  • Slight3,49483%

What the data shows

  • WD17 had 428 collisions from 2016 to 2025, 38% fewer than the 685 from 2006 to 2015.
  • 17% of collisions in WD17 were fatal or serious, against 20% across Great Britain.
  • 441 children under 16 were killed or injured in WD17, 8% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 34% of collisions in WD17.

Where WD17 ranks among 2,813 postcode districts

Most collisions
796th
Most casualties
829th
Most fatal collisions
1,679th
Most serious collisions
943rd

Collisions by day of the week

  • Monday637 (15%)
  • Tuesday628 (15%)
  • Wednesday576 (14%)
  • Thursday673 (16%)
  • Friday781 (18%)
  • Saturday572 (14%)
  • Sunday367 (8.7%)

Light conditions

  • Daylight3,108 (73%)
  • Dark, street lights lit1,065 (25%)
  • Dark, lighting unknown32 (0.8%)
  • Dark, street lights unlit15 (0.4%)
  • Dark, no street lighting14 (0.3%)

Type of road

  • Single carriageway2,018 (48%)
  • Dual carriageway987 (23%)
  • One way street or slip road779 (18%)
  • Roundabout431 (10%)
  • Not recorded19 (0.4%)

Speed limit at the scene

  • 20 mph67 (1.6%)
  • 30 mph3,567 (84%)
  • 40 mph252 (6%)
  • 50 mph96 (2.3%)
  • 60 mph94 (2.2%)
  • 70 mph158 (3.7%)

Weather at the time

  • Fine, no high winds3,400 (80%)
  • Raining, no high winds564 (13%)
  • Fine with high winds50 (1.2%)
  • Raining with high winds38 (0.9%)
  • Fog or mist28 (0.7%)
  • Snowing, no high winds23 (0.5%)
  • Snowing with high winds4 (0.1%)
  • Other76 (1.8%)
  • Not recorded51 (1.2%)

Who was hurt

  • Car occupant3,021 (55%)
  • Pedestrian832 (15%)
  • Motorcyclist613 (11%)
  • Cyclist559 (10%)
  • Bus or coach occupant292 (5.3%)
  • Van occupant100 (1.8%)
  • Taxi or private hire car occupant54 (1%)
  • Goods vehicle occupant (over 3.5 tonnes)27 (0.5%)
  • Other vehicle occupant11 (0.2%)
  • Minibus occupant10 (0.2%)
  • Other3 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

WD17 road accidents by year

Collisions and casualties in WD17, 1979 to 2025

Collisions in WD17 peaked at 154 in 1998; 2025 had 41.

  • Collisions
  • Collisions in 2025: 41
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254152
20243340
20234755
20222731
20213642
20202738
20195163
20184049
20176172
20166584
20156372
20147791
20134758
20127084
20116581
20107296
20095680
200875106
200776114
200684112
200595137
2004100139
200393132
2002110148
2001117155
2000130178
1999143212
1998154216
1997131179
1996146204
1995136190
1994122166
1993108141
199287105
199180100
1990117148
1989105125
198892115
1987126157
1986125157
1985113150
1984123148
1983117135
1982142174
198192126
198092111
1979125155

Map of recent crashes in WD17

Map of the 24 most recent crashes in WD17

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in WD17

The 24 most recent collisions in WD17 happened between 6 June and 31 December 2025.

Severity

Crashes by road in WD17

The A411 has the most collisions in WD17, 1,720 of 4,234 (41%), followed by the A412 (544).

Collisions in WD17 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4111,7202,34316306
2ndA412544696286
3rdA41233298338
4thM25495603
5thA4008365312
6thA4125213400
7thA405121402
8thA41784400

Council areas covering WD17

Collisions in WD17 were recorded in 3 council areas. Watford has 3,945 of 4,234 (93%).

Collisions in WD17 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stWatford3,9455,15032670
2ndThree Rivers279359334
3rdHertsmere7700

Town in WD17

Of the 4,234 collisions in WD17, 3,689 (87%) were in Watford, Watford.