Dereham road traffic accidents
Dereham recorded 656 collisions in the STATS19 data between 1999 and 2025, involving 787 casualties. Of these collisions, 3 were fatal and 96 were serious. Recorded collisions in 2025 were unchanged on 2024.
Severity Breakdown
- Fatal
- 3
- Serious
- 96
- Casualties
- 787
- Fatal
- 3
- Serious
- 96
- Casualties
- 787
Collisions by Year
Areas covering Dereham
Roads in Dereham
Postcode districts in Dereham
Planning applications nearby
Data from PlanIndex, an index of UK planning registers.
Data from PlanIndex, an index of UK planning registers.
Accidents in Dereham
Road collision statistics for Dereham
Collisions recorded
656
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
787
Casualties recorded across every collision in this area.
Fatal collisions
3
Collisions in which at least one person died.
Serious collisions
96
15.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in Dereham
Collisions in Dereham are most frequently recorded on a Tuesday (17.5% of the total), with 22% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
85.4% of recorded collisions in Dereham happen on a single carriageway. Around 18.9% were recorded in adverse weather such as rain, snow or fog.
The collisions in Dereham have produced 787 casualties. Pedestrians account for 23% 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 58 collisions, Monday 104 collisions, Tuesday 115 collisions, Wednesday 114 collisions, Thursday 102 collisions, Friday 90 collisions, Saturday 73 collisions.
Light conditions
Light conditions: Daylight 512 collisions, Darkness 144 collisions.
Road type
Road type: Single carriageway 560 collisions, Dual carriageway 30 collisions, Roundabout 29 collisions, One way street 17 collisions, One way street/Slip road 9 collisions, Slip road 7 collisions, Unknown 4 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 15 collisions, 30 mph 578 collisions, 40 mph 17 collisions, 50 mph 1 collisions, 60 mph 19 collisions, 70 mph 26 collisions.
Weather at the time
Weather at the time: Fine no high winds 532 collisions, Raining no high winds 56 collisions, Other 31 collisions, Unknown 13 collisions, Snowing no high winds 7 collisions.
Who was hurt
Who was hurt: Driver or rider 484 casualties, Passenger 122 casualties, Pedestrian 181 casualties.
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Recent Accidents
Showing 20 of 656 accidents
Accident 2025361685511
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SeriousAccident 2025361681767
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FatalAccident 2025361634827
SeriousAccident 2025361630663
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SlightAccident 2025361569307
SlightFrequently asked questions about road accidents in Dereham
How many road accidents have there been in Dereham?
656 collisions have been recorded in Dereham in the STATS19 road safety data between 1999 and 2025, involving 787 casualties.
How many of the collisions in Dereham were serious or fatal?
3 were fatal and 96 were serious — 15.1% of all recorded collisions in Dereham resulted in a death or serious injury.
When do most road accidents happen in Dereham?
Tuesday is the most common day for collisions in Dereham, accounting for 17.5% of them, and 22% of all collisions here happen in darkness.
What kind of roads do collisions in Dereham happen on?
85.4% of collisions in Dereham are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in Dereham?
Pedestrians make up 23% of the 787 casualties recorded in Dereham.
Is road safety in Dereham getting better or worse?
Recorded collisions in Dereham were broadly unchanged in 2025 compared with 2024.
Where does the road accident data for Dereham 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 Dereham cover 1999 to 2025.