Accident hotspots in Watford: where crashes cluster
Police recorded 345 road collisions in Watford in 2025. We mapped every one to find the junctions and roads where they concentrate.
66
Road Risk Score
Watford ranks 23 of 125 towns we score — band D, above average
74.5 people killed or seriously injured per 100,000 residents, 260.8 vehicle crimes per 100,000, 43.8% of collisions involving someone outside a car, and a five-year trend of +19%. How the score works.
Vulnerable road users in Watford (2025)
65 of Watford's 345 collisions (19%) involved pedestrians; 34 of Watford's 345 collisions (10%) involved cyclists; 52 of Watford's 345 collisions (15%) involved motorcyclists. Together those collisions left 43 people killed or seriously injured.
| Road user | Collisions | Share of all collisions | Killed or seriously injured | Serious-outcome rate |
|---|---|---|---|---|
| Pedestrians | 65 | 19% | 14 | 22% |
| Cyclists | 34 | 10% | 16 | 47% |
| Motorcyclists | 52 | 15% | 13 | 25% |
30 of Watford’s collisions in 2025 involved a child casualty.
Watford’s busiest collision clusters (2025)
Each circle is a ~100m cluster of police-reported collisions. Larger circles = more collisions; red = at least one death. Click a circle for details.
The short answer
Watford recorded 345 police-reported collisions in 2025 — rising (+8.5% on 2024), or about 338 per 100,000 residents. Its most stubborn risk is Woodmere Avenue, Garston, a hotspot in 4 of the last 5 years.
345
Collisions in Watford (2025)
460
People injured or killed
+8.5%
Change vs 2024
~358
Modelled collisions in 2026 on current trend
Watford’s junctions that stay dangerous
These locations recorded multiple collisions in at least four of the last five years (2021–2025) — a persistent pattern, not a one-off bad year.
Woodmere Avenue, Garston
A41
12 collisions across 4 hotspot years · 16 casualties · 1 serious or fatal
Beechen Grove, North Watford
A412
9 collisions across 4 hotspot years · 9 casualties · 1 serious or fatal
Market Street, Watford Heath
A411
9 collisions across 4 hotspot years · 14 casualties · 2 serious or fatal
Watford’s worst accident spots
| # | Location | Road | Collisions | Casualties | Serious | Fatal |
|---|---|---|---|---|---|---|
| 1 | Otterspool Way, Bushey | A41 | 4 | 5 | 1 | 0 |
| 2 | Rickmansworth Road, North Watford | A412 | 4 | 7 | 0 | 0 |
| 3 | Woodmere Avenue, Garston | A41 | 4 | 5 | 0 | 0 |
| 4 | Harrow Weald | A4008 | 4 | 5 | 1 | 0 |
| 5 | St Albans Road, Garston | A412 | 4 | 4 | 0 | 0 |
What to do with this: if your regular routes cross the junctions above, they deserve extra care at peak times — these aren’t random locations, they’re where collisions repeat. For context, Watford’s rate of 338 per 100,000 residents compares with an average of 220 across the 125 areas we track. A junction with a documented five-year history is also the strongest evidence a campaign can put in front of a councillor.
Vulnerable road users in Watford in 2025: 65 collisions involved a pedestrian, 34 a cyclist and 52 a motorcyclist — overall, 338.2 collisions per 100,000 residents.
Area definition: figures cover 6km radius of the town centre. Per-100k rates use the mid-2023 ONS population estimate for the named town or district; where the area is radius-defined, treat the rate as indicative.
These figures come from the Department for Transport’s STATS19 dataset — every collision reported to the police in 2025 — clustered to roughly 100 metres and labelled via OpenStreetMap. Only police-reported incidents are included, so minor damage-only bumps are undercounted. See the full UK hotspots analysis for the national picture and methodology.
Need this cut a different way? A junction’s full history, cyclist or pedestrian casualties on their own, or a before-and-after on a scheme: we produce those, free for community groups, campaigners and journalists.
Watford over 5 years
Collisions per year in Watford
2025: 345 (up 8.5% on the year before) · peak 362 in 2023 · +19% across the period
Axis clipped to the data range to show year-on-year movement.
2023 was Watford’s worst year of the period with 362 collisions, against 290 in 2021. Of 2025’s 460 casualties, 76 were killed or seriously injured (1 deaths, 75 serious).
Build the Watford story from this page
Every line below is computed from the official DfT STATS19 dataset and updates when new data is released — copy, check, publish. Free to use with a link to this page as the source.
- “Police recorded 345 road collisions in Watford in 2025, injuring or killing 460 people (DfT STATS19).
- “2023 was Watford's worst year of the last 5 (362 collisions, against 290 in 2021).
- “Watford's collision rate is 338 per 100,000 residents, against an average of 220 across the 125 areas we track.
- “65 collisions involved pedestrians, 34 collisions involved cyclists, 52 collisions involved motorcyclists — with 43 of those people killed or seriously injured.
- “30 collisions in Watford involved a child casualty in 2025.
Attribution: “Analysis by Swift Assist (swiftassistuk.co.uk) of DfT STATS19 data” with a link to this page. Methodology: how we process the data.
Watford's roads are Hertfordshire's responsibility
Collisions above are counted for Watford. The body that maintains those roads, sets the speed limits and decides which junctions get fixed is Hertfordshire — so that is the level at which the record can be compared with anywhere else in Britain.
Per mile driven
173 of 192
Per resident
141 of 188
Risk band
Lowest risk
Five-year trend
down 3.8%
Those two numbers disagree, and that is the story. Hertfordshire sits 141 of 188 measured per resident but 173 of 192 measured per mile actually driven — a gap of 32 places. Measured against the traffic the network actually carries rather than the number of people living beside it, the record is better than the headline per-head figure implies.
The full record for Hertfordshire — severity-adjusted casualties, the breakdown of who is being hurt, the darkness and ice profile, and a comparison against its ONS statistical neighbours rather than the national average — is on its own page.
Hertfordshire’s full road risk record →What actually changes the odds in Watford
Data is only useful if it changes what you do. These three are picked from Watford’s own figures above, each with the number that prompted it. Every guide explains how the thing works before it suggests buying anything, and most cost less than a third of a typical insurance excess.
Faraday key pouch / box
£9–£25
Watford records 261 vehicle crimes per 100,000 residents, above the median of the towns we track. Keyless relay theft is the leading route into modern cars, and a signal-blocking pouch ends that method outright for under a tenner.
How it works →
Steering wheel lock
£40–£70
Vehicle theft is target selection: thieves work a street and take the easiest car. A visible attack-rated bar moves your car down that list before anyone touches it.
How it works →
Alarmed disc lock
£20–£50
Motorcyclists are in 15% of Watford's collisions, and bikes are also lifted rather than ridden away. An alarmed disc lock covers the theft half for about £30.
How it works →
We are a data business, not a retailer: these link to our guides, which link on to retailers. Some of those links earn us a small commission at no cost to you, and we hold no stock and take no payment for placement. All security guides.
Related on Swift Assist
UK accident hotspots (national)
Britain's 20 worst collision clusters, mapped from official data.
Read more →Cyclist collision map (national)
Where cyclists are hurt across Britain, from the same records.
Read more →Free data for campaigners
Junction histories, corridor studies and custom cuts, free for community groups.
Read more →Need this data for your own work?
Site and junction reports from £95, next working day. Free for community groups, campaigners and journalists.