M40 postcode district road traffic accidents
The M40 postcode district recorded 2,899 collisions in the STATS19 data between 1999 and 2024, involving 4,207 casualties. Of these collisions, 34 were fatal and 379 were serious. Recorded collisions in 2024 were up 9% on 2023.
Severity Breakdown
- Fatal
- 34
- Serious
- 379
- Casualties
- 4,207
- Fatal
- 34
- Serious
- 379
- Casualties
- 4,207
Collisions by Year
Areas covering M40
Towns in M40
Roads in M40
Accidents in the M40 postcode district
Road collision statistics for the M40 postcode district
Collisions recorded
2,899
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
4,207
Casualties recorded across every collision in this area.
Fatal collisions
34
Collisions in which at least one person died.
Serious collisions
379
14.2% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the M40 postcode district
Collisions in the M40 postcode district are most frequently recorded on a Friday (16.8% of the total), with 28.3% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
77.5% of recorded collisions in the M40 postcode district happen on a single carriageway. Around 21.2% were recorded in adverse weather such as rain, snow or fog.
The collisions in the M40 postcode district have produced 4,207 casualties. Pedestrians account for 16.5% 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 302 collisions, Monday 413 collisions, Tuesday 454 collisions, Wednesday 416 collisions, Thursday 430 collisions, Friday 488 collisions, Saturday 396 collisions.
Light conditions
Light conditions: Daylight 2,078 collisions, Darkness 821 collisions.
Road type
Road type: Single carriageway 2,247 collisions, Dual carriageway 534 collisions, Roundabout 53 collisions, Unknown 37 collisions, One way street 14 collisions, Other 11 collisions, Slip road 3 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 109 collisions, 30 mph 2,700 collisions, 40 mph 78 collisions, 60 mph 1 collisions, 70 mph 11 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,239 collisions, Raining no high winds 455 collisions, Raining + high winds 53 collisions, Unknown 53 collisions, Fine + high winds 45 collisions.
Who was hurt
Who was hurt: Driver or rider 2,246 casualties, Passenger 1,267 casualties, Pedestrian 694 casualties.
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Recent Accidents
Showing 20 of 2,486 accidents
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SlightFrequently asked questions about road accidents in the M40 postcode district
How many road accidents have there been in the M40 postcode district?
2,899 collisions have been recorded in the M40 postcode district in the STATS19 road safety data between 1999 and 2024, involving 4,207 casualties.
How many of the collisions in the M40 postcode district were serious or fatal?
34 were fatal and 379 were serious — 14.2% of all recorded collisions in the M40 postcode district resulted in a death or serious injury.
When do most road accidents happen in the M40 postcode district?
Friday is the most common day for collisions in the M40 postcode district, accounting for 16.8% of them, and 28.3% of all collisions here happen in darkness.
What kind of roads do collisions in the M40 postcode district happen on?
77.5% of collisions in the M40 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the M40 postcode district?
Pedestrians make up 16.5% of the 4,207 casualties recorded in the M40 postcode district.
Is road safety in the M40 postcode district getting better or worse?
Recorded collisions in the M40 postcode district rose 9% 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 M40 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 M40 postcode district cover 1999 to 2024.