Amersham road traffic accidents
Amersham recorded 703 collisions in the STATS19 data between 1999 and 2025, involving 871 casualties. Of these collisions, 5 were fatal and 102 were serious. Recorded collisions in 2025 were up 30% on 2024.
Severity Breakdown
- Fatal
- 5
- Serious
- 102
- Casualties
- 871
- Fatal
- 5
- Serious
- 102
- Casualties
- 871
Collisions by Year
Areas covering Amersham
Roads in Amersham
Postcode districts in Amersham
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Amersham
Road collision statistics for Amersham
Collisions recorded
703
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
871
Casualties recorded across every collision in this area.
Fatal collisions
5
Collisions in which at least one person died.
Serious collisions
102
15.2% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Amersham
Collisions in Amersham are most frequently recorded on a Friday (18.2% of the total), with 23.8% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
77.7% of recorded collisions in Amersham happen on a single carriageway. Around 15.8% were recorded in adverse weather such as rain, snow or fog.
The collisions in Amersham have produced 871 casualties. Pedestrians account for 20.4% 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 42 collisions, Monday 104 collisions, Tuesday 91 collisions, Wednesday 126 collisions, Thursday 117 collisions, Friday 128 collisions, Saturday 95 collisions.
Light conditions
Light conditions: Daylight 536 collisions, Darkness 167 collisions.
Road type
Road type: Single carriageway 546 collisions, Roundabout 149 collisions, Dual carriageway 4 collisions, Unknown 3 collisions, Slip road 1 collisions.
Speed limit at the scene
Speed limit at the scene: 30 mph 601 collisions, 40 mph 42 collisions, 50 mph 7 collisions, 60 mph 52 collisions, 70 mph 1 collisions.
Weather at the time
Weather at the time: Fine no high winds 586 collisions, Raining no high winds 73 collisions, Other 21 collisions, Unknown 9 collisions, Fine + high winds 6 collisions.
Who was hurt
Who was hurt: Driver or rider 556 casualties, Passenger 137 casualties, Pedestrian 178 casualties.
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Recent Accidents
Showing 20 of 703 accidents
Accident 2025430647309
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SlightAccident 2025430207656
SeriousAccident 2025430197901
SlightAccident 2025430116874
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SlightAccident 2024430604031
SlightAccident 2024430596427
SeriousAccident 2024430355457
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SlightAccident 2024430295044
SeriousAccident 2024430291592
SlightAccident 2024430196833
SlightFrequently asked questions about road accidents in Amersham
How many road accidents have there been in Amersham?
703 collisions have been recorded in Amersham in the STATS19 road safety data between 1999 and 2025, involving 871 casualties.
How many of the collisions in Amersham were serious or fatal?
5 were fatal and 102 were serious — 15.2% of all recorded collisions in Amersham resulted in a death or serious injury.
When do most road accidents happen in Amersham?
Friday is the most common day for collisions in Amersham, accounting for 18.2% of them, and 23.8% of all collisions here happen in darkness.
What kind of roads do collisions in Amersham happen on?
77.7% of collisions in Amersham are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Amersham?
Pedestrians make up 20.4% of the 871 casualties recorded in Amersham.
Is road safety in Amersham getting better or worse?
Recorded collisions in Amersham rose 30% 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 Amersham 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 Amersham cover 1999 to 2025.