TW15 postcode district road traffic accidents
The TW15 postcode district recorded 1,589 collisions in the STATS19 data between 1999 and 2025, involving 2,043 casualties. Of these collisions, 15 were fatal and 218 were serious. Recorded collisions in 2025 were up 9% on 2024.
Severity Breakdown
- Fatal
- 15
- Serious
- 218
- Casualties
- 2,043
- Fatal
- 15
- Serious
- 218
- Casualties
- 2,043
Collisions by Year
Areas covering TW15
Towns in TW15
Roads in TW15
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in the TW15 postcode district
Road collision statistics for the TW15 postcode district
Collisions recorded
1,589
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
2,043
Casualties recorded across every collision in this area.
Fatal collisions
15
Collisions in which at least one person died.
Serious collisions
218
14.7% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the TW15 postcode district
Collisions in the TW15 postcode district are most frequently recorded on a Tuesday (16.2% of the total), with 34% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
62.2% of recorded collisions in the TW15 postcode district happen on a single carriageway. Around 18% were recorded in adverse weather such as rain, snow or fog.
The collisions in the TW15 postcode district have produced 2,043 casualties. Pedestrians account for 11.2% 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 154 collisions, Monday 232 collisions, Tuesday 258 collisions, Wednesday 249 collisions, Thursday 247 collisions, Friday 248 collisions, Saturday 201 collisions.
Light conditions
Light conditions: Daylight 1,048 collisions, Darkness 541 collisions.
Road type
Road type: Single carriageway 988 collisions, Dual carriageway 364 collisions, Roundabout 182 collisions, Unknown 27 collisions, One way street/Slip road 11 collisions, Slip road 10 collisions, One way street 7 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 16 collisions, 30 mph 1,190 collisions, 40 mph 157 collisions, 50 mph 205 collisions, 60 mph 6 collisions, 70 mph 15 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,275 collisions, Raining no high winds 155 collisions, Unknown 66 collisions, Other 36 collisions, Fine + high winds 21 collisions.
Who was hurt
Who was hurt: Driver or rider 1,450 casualties, Passenger 365 casualties, Pedestrian 228 casualties.
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Recent Accidents
Showing 20 of 1,589 accidents
Accident 199901TG00124
SlightAccident 199901TG00167
SlightAccident 199901TG00129
SeriousAccident 199901TG00114
SlightAccident 199901TG00116
SlightAccident 199901TG00119
SeriousAccident 199901TG00107
SlightAccident 199901TG00110
SlightAccident 199901TG00100
SlightAccident 199901TG00101
SlightAccident 199901TG00090
SlightAccident 199901TG00096
SlightAccident 199901TW00086
SlightAccident 199901TG00072
SlightAccident 199901TG00063
SlightAccident 199901TG00061
SlightAccident 199901TG00068
SlightAccident 199901TG00050
SlightAccident 199901TG00047
SlightAccident 199901TG00044
SlightFrequently asked questions about road accidents in the TW15 postcode district
How many road accidents have there been in the TW15 postcode district?
1,589 collisions have been recorded in the TW15 postcode district in the STATS19 road safety data between 1999 and 2025, involving 2,043 casualties.
How many of the collisions in the TW15 postcode district were serious or fatal?
15 were fatal and 218 were serious — 14.7% of all recorded collisions in the TW15 postcode district resulted in a death or serious injury.
When do most road accidents happen in the TW15 postcode district?
Tuesday is the most common day for collisions in the TW15 postcode district, accounting for 16.2% of them, and 34% of all collisions here happen in darkness.
What kind of roads do collisions in the TW15 postcode district happen on?
62.2% of collisions in the TW15 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the TW15 postcode district?
Pedestrians make up 11.2% of the 2,043 casualties recorded in the TW15 postcode district.
Is road safety in the TW15 postcode district getting better or worse?
Recorded collisions in the TW15 postcode district rose 9% in 2025 compared with 2024. Year-on-year figures move with both genuine risk and changes in reporting, so they are best read as a trend rather than a single verdict.
Where does the road accident data for the TW15 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 TW15 postcode district cover 1999 to 2025.