TW20 postcode district road traffic accidents
The TW20 postcode district recorded 2,230 collisions in the STATS19 data between 1999 and 2025, involving 3,167 casualties. Of these collisions, 24 were fatal and 317 were serious. Recorded collisions in 2025 were down 4% on 2024.
Severity Breakdown
- Fatal
- 24
- Serious
- 317
- Casualties
- 3,167
- Fatal
- 24
- Serious
- 317
- Casualties
- 3,167
Collisions by Year
Areas covering TW20
Towns in TW20
Roads in TW20
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the TW20 postcode district
Road collision statistics for the TW20 postcode district
Collisions recorded
2,230
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,167
Casualties recorded across every collision in this area.
Fatal collisions
24
Collisions in which at least one person died.
Serious collisions
317
15.3% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the TW20 postcode district
Collisions in the TW20 postcode district are most frequently recorded on a Friday (19.3% of the total), with 33% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
50.1% of recorded collisions in the TW20 postcode district happen on a single carriageway. Around 20.6% were recorded in adverse weather such as rain, snow or fog.
The collisions in the TW20 postcode district have produced 3,167 casualties. Pedestrians account for 6.4% 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 241 collisions, Monday 285 collisions, Tuesday 335 collisions, Wednesday 317 collisions, Thursday 327 collisions, Friday 430 collisions, Saturday 295 collisions.
Light conditions
Light conditions: Daylight 1,493 collisions, Darkness 737 collisions.
Road type
Road type: Single carriageway 1,117 collisions, Dual carriageway 848 collisions, Roundabout 110 collisions, Slip road 72 collisions, Unknown 37 collisions, One way street/Slip road 34 collisions, One way street 12 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 16 collisions, 30 mph 811 collisions, 40 mph 376 collisions, 50 mph 95 collisions, 60 mph 185 collisions, 70 mph 747 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,735 collisions, Raining no high winds 250 collisions, Unknown 103 collisions, Other 62 collisions, Fine + high winds 29 collisions.
Who was hurt
Who was hurt: Driver or rider 2,255 casualties, Passenger 708 casualties, Pedestrian 204 casualties.
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Recent Accidents
Showing 20 of 2,230 accidents
Accident 2019450864696
SlightAccident 2019450859020
SlightAccident 2019450857143
SeriousAccident 2019450855344
SlightAccident 2019450854006
SlightAccident 2019450854932
SlightAccident 2019450850800
SlightAccident 2019450849980
SlightAccident 2019450847453
SlightAccident 2019450845685
SeriousAccident 2019450845720
SlightAccident 2019450844053
SeriousAccident 2019450844274
SlightAccident 2019450843730
SlightAccident 2019450842417
SlightAccident 2019450839248
SlightAccident 2019450836684
SlightAccident 2019450835551
SlightAccident 2019450833876
SlightAccident 2019450831359
SlightFrequently asked questions about road accidents in the TW20 postcode district
How many road accidents have there been in the TW20 postcode district?
2,230 collisions have been recorded in the TW20 postcode district in the STATS19 road safety data between 1999 and 2025, involving 3,167 casualties.
How many of the collisions in the TW20 postcode district were serious or fatal?
24 were fatal and 317 were serious — 15.3% of all recorded collisions in the TW20 postcode district resulted in a death or serious injury.
When do most road accidents happen in the TW20 postcode district?
Friday is the most common day for collisions in the TW20 postcode district, accounting for 19.3% of them, and 33% of all collisions here happen in darkness.
What kind of roads do collisions in the TW20 postcode district happen on?
50.1% of collisions in the TW20 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the TW20 postcode district?
Pedestrians make up 6.4% of the 3,167 casualties recorded in the TW20 postcode district.
Is road safety in the TW20 postcode district getting better or worse?
Recorded collisions in the TW20 postcode district fell 4% in 2025 compared with 2024, though year-on-year figures move with both genuine risk and changes in reporting.
Where does the road accident data for the TW20 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 TW20 postcode district cover 1999 to 2025.