W4 postcode district road traffic accidents
The W4 postcode district recorded 2,697 collisions in the STATS19 data between 1999 and 2024, involving 3,172 casualties. Of these collisions, 13 were fatal and 343 were serious. Recorded collisions in 2024 were down 13% on 2023.
Severity Breakdown
- Fatal
- 13
- Serious
- 343
- Casualties
- 3,172
- Fatal
- 13
- Serious
- 343
- Casualties
- 3,172
Collisions by Year
Areas covering W4
Towns in W4
Roads in W4
Accidents in the W4 postcode district
Road collision statistics for the W4 postcode district
Collisions recorded
2,697
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,172
Casualties recorded across every collision in this area.
Fatal collisions
13
Collisions in which at least one person died.
Serious collisions
343
13.2% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the W4 postcode district
Collisions in the W4 postcode district are most frequently recorded on a Friday (17% of the total), with 27.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
64.9% of recorded collisions in the W4 postcode district happen on a single carriageway. Around 16.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in the W4 postcode district have produced 3,172 casualties. Pedestrians account for 12.7% of those casualties, a marker of the risk to people on foot here.
Collisions by day of the week
Collisions by day of the week: Sunday 268 collisions, Monday 381 collisions, Tuesday 435 collisions, Wednesday 413 collisions, Thursday 414 collisions, Friday 458 collisions, Saturday 328 collisions.
Light conditions
Light conditions: Daylight 1,946 collisions, Darkness 751 collisions.
Road type
Road type: Single carriageway 1,750 collisions, Dual carriageway 594 collisions, Roundabout 269 collisions, Slip road 26 collisions, One way street 25 collisions, Unknown 21 collisions, Other 12 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 255 collisions, 30 mph 1,888 collisions, 40 mph 517 collisions, 50 mph 26 collisions, 60 mph 1 collisions, 70 mph 8 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,248 collisions, Raining no high winds 298 collisions, Unknown 84 collisions, Other 38 collisions, Raining + high winds 14 collisions.
Who was hurt
Who was hurt: Driver or rider 2,206 casualties, Passenger 563 casualties, Pedestrian 403 casualties.
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Recent Accidents
Showing 20 of 2,697 accidents
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SeriousAccident 2022010407842
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SlightAccident 2022010405125
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SlightAccident 2022010404623
SlightAccident 2022010404046
SeriousAccident 2022010404651
SlightFrequently asked questions about road accidents in the W4 postcode district
How many road accidents have there been in the W4 postcode district?
2,697 collisions have been recorded in the W4 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,172 casualties.
How many of the collisions in the W4 postcode district were serious or fatal?
13 were fatal and 343 were serious — 13.2% of all recorded collisions in the W4 postcode district resulted in a death or serious injury.
When do most road accidents happen in the W4 postcode district?
Friday is the most common day for collisions in the W4 postcode district, accounting for 17% of them, and 27.8% of all collisions here happen in darkness.
What kind of roads do collisions in the W4 postcode district happen on?
64.9% of collisions in the W4 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the W4 postcode district?
Pedestrians make up 12.7% of the 3,172 casualties recorded in the W4 postcode district.
Is road safety in the W4 postcode district getting better or worse?
Recorded collisions in the W4 postcode district fell 13% in 2024 compared with 2023, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the W4 postcode district come from?
It comes from STATS19, the official record of personal-injury road collisions reported to the police and published by the Department for Transport. The figures for the W4 postcode district cover 1999 to 2024.