M25 postcode district road traffic accidents
The M25 postcode district recorded 2,483 collisions in the STATS19 data between 1999 and 2024, involving 3,509 casualties. Of these collisions, 20 were fatal and 222 were serious. Recorded collisions in 2024 were up 19% on 2023.
Severity Breakdown
- Fatal
- 20
- Serious
- 222
- Casualties
- 3,509
- Fatal
- 20
- Serious
- 222
- Casualties
- 3,509
Collisions by Year
Areas covering M25
Towns in M25
Roads in M25
Accidents in the M25 postcode district
Road collision statistics for the M25 postcode district
Collisions recorded
2,483
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,509
Casualties recorded across every collision in this area.
Fatal collisions
20
Collisions in which at least one person died.
Serious collisions
222
9.7% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the M25 postcode district
Collisions in the M25 postcode district are most frequently recorded on a Friday (17.5% of the total), with 27% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
56.3% of recorded collisions in the M25 postcode district happen on a single carriageway. Around 22.2% were recorded in adverse weather such as rain, snow or fog.
The collisions in the M25 postcode district have produced 3,509 casualties. Pedestrians account for 11.4% 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 271 collisions, Monday 355 collisions, Tuesday 389 collisions, Wednesday 367 collisions, Thursday 391 collisions, Friday 435 collisions, Saturday 275 collisions.
Light conditions
Light conditions: Daylight 1,813 collisions, Darkness 670 collisions.
Road type
Road type: Single carriageway 1,398 collisions, Dual carriageway 808 collisions, Roundabout 164 collisions, Slip road 53 collisions, Unknown 47 collisions, Other 7 collisions, One way street 6 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 26 collisions, 30 mph 1,710 collisions, 40 mph 20 collisions, 50 mph 18 collisions, 70 mph 709 collisions.
Weather at the time
Weather at the time: Fine no high winds 1,932 collisions, Raining no high winds 388 collisions, Unknown 56 collisions, Raining + high winds 37 collisions, Other 30 collisions.
Who was hurt
Who was hurt: Driver or rider 2,207 casualties, Passenger 903 casualties, Pedestrian 399 casualties.
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Recent Accidents
Showing 20 of 2,483 accidents
Accident 2024061412336
SlightAccident 2024061409810
SeriousAccident 2024061408171
SlightAccident 2024061417660
SlightAccident 2023061388559
SlightAccident 2023061383831
SlightAccident 2023061388545
SlightAccident 2023061374894
SlightAccident 2023061382948
SlightAccident 2023061373453
SlightAccident 2023061366922
SeriousAccident 2023061369233
SlightAccident 2023061352935
SlightAccident 2023061347164
SlightAccident 2023061351062
SlightAccident 2023061340953
SeriousAccident 2023061343850
SlightAccident 2023061339868
SlightAccident 2023061338195
SlightAccident 2023061340135
SlightFrequently asked questions about road accidents in the M25 postcode district
How many road accidents have there been in the M25 postcode district?
2,483 collisions have been recorded in the M25 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,509 casualties.
How many of the collisions in the M25 postcode district were serious or fatal?
20 were fatal and 222 were serious — 9.7% of all recorded collisions in the M25 postcode district resulted in a death or serious injury.
When do most road accidents happen in the M25 postcode district?
Friday is the most common day for collisions in the M25 postcode district, accounting for 17.5% of them, and 27% of all collisions here happen in darkness.
What kind of roads do collisions in the M25 postcode district happen on?
56.3% of collisions in the M25 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the M25 postcode district?
Pedestrians make up 11.4% of the 3,509 casualties recorded in the M25 postcode district.
Is road safety in the M25 postcode district getting better or worse?
Recorded collisions in the M25 postcode district rose 19% in 2024 compared with 2023. 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 M25 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 M25 postcode district cover 1999 to 2024.