TW4 postcode district road traffic accidents
The TW4 postcode district recorded 2,789 collisions in the STATS19 data between 1999 and 2024, involving 3,433 casualties. Of these collisions, 18 were fatal and 291 were serious. Recorded collisions in 2024 were down 4% on 2023.
Severity Breakdown
- Fatal
- 18
- Serious
- 291
- Casualties
- 3,433
- Fatal
- 18
- Serious
- 291
- Casualties
- 3,433
Collisions by Year
Areas covering TW4
Towns in TW4
Roads in TW4
Accidents in the TW4 postcode district
Road collision statistics for the TW4 postcode district
Collisions recorded
2,789
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,433
Casualties recorded across every collision in this area.
Fatal collisions
18
Collisions in which at least one person died.
Serious collisions
291
11.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the TW4 postcode district
Collisions in the TW4 postcode district are most frequently recorded on a Friday (16.6% of the total), with 31.9% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
50.7% of recorded collisions in the TW4 postcode district happen on a single carriageway. Around 17.9% were recorded in adverse weather such as rain, snow or fog.
The collisions in the TW4 postcode district have produced 3,433 casualties. Pedestrians account for 14.2% 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 342 collisions, Monday 367 collisions, Tuesday 441 collisions, Wednesday 380 collisions, Thursday 402 collisions, Friday 462 collisions, Saturday 395 collisions.
Light conditions
Light conditions: Daylight 1,898 collisions, Darkness 891 collisions.
Road type
Road type: Single carriageway 1,415 collisions, Dual carriageway 856 collisions, Roundabout 429 collisions, Unknown 38 collisions, Slip road 28 collisions, One way street 19 collisions, Other 4 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 165 collisions, 30 mph 1,767 collisions, 40 mph 763 collisions, 50 mph 89 collisions, 60 mph 4 collisions, 70 mph 1 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,271 collisions, Raining no high winds 311 collisions, Unknown 96 collisions, Other 63 collisions, Fine + high winds 19 collisions.
Who was hurt
Who was hurt: Driver or rider 2,255 casualties, Passenger 690 casualties, Pedestrian 488 casualties.
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Recent Accidents
Showing 20 of 2,789 accidents
Accident 2023010450147
SeriousAccident 2023010448542
SlightAccident 2023010447382
SeriousAccident 2023010446921
SlightAccident 2023010445898
SlightAccident 2023010445533
SlightAccident 2023010445390
SlightAccident 2023010446497
SlightAccident 2023010445935
SlightAccident 2023010442074
SlightAccident 2023010444319
SlightAccident 2023010441462
SlightAccident 2023010464745
SeriousAccident 2023010440336
SlightAccident 2023010440393
SlightAccident 2023010440585
SlightAccident 2023010439520
SlightAccident 2023010439028
SlightAccident 2023010438691
SlightAccident 2023010437966
SlightFrequently asked questions about road accidents in the TW4 postcode district
How many road accidents have there been in the TW4 postcode district?
2,789 collisions have been recorded in the TW4 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,433 casualties.
How many of the collisions in the TW4 postcode district were serious or fatal?
18 were fatal and 291 were serious — 11.1% of all recorded collisions in the TW4 postcode district resulted in a death or serious injury.
When do most road accidents happen in the TW4 postcode district?
Friday is the most common day for collisions in the TW4 postcode district, accounting for 16.6% of them, and 31.9% of all collisions here happen in darkness.
What kind of roads do collisions in the TW4 postcode district happen on?
50.7% of collisions in the TW4 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the TW4 postcode district?
Pedestrians make up 14.2% of the 3,433 casualties recorded in the TW4 postcode district.
Is road safety in the TW4 postcode district getting better or worse?
Recorded collisions in the TW4 postcode district fell 4% 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 TW4 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 TW4 postcode district cover 1999 to 2024.