NN4 postcode district road traffic accidents
The NN4 postcode district recorded 2,491 collisions in the STATS19 data between 1999 and 2024, involving 3,270 casualties. Of these collisions, 47 were fatal and 428 were serious. Recorded collisions in 2024 were up 18% on 2023.
Severity Breakdown
- Fatal
- 47
- Serious
- 428
- Casualties
- 3,270
- Fatal
- 47
- Serious
- 428
- Casualties
- 3,270
Collisions by Year
Areas covering NN4
Towns in NN4
Roads in NN4
Accidents in the NN4 postcode district
Road collision statistics for the NN4 postcode district
Collisions recorded
2,491
Police-reported road traffic collisions captured in the STATS19 data.
People injured or killed
3,270
Casualties recorded across every collision in this area.
Fatal collisions
47
Collisions in which at least one person died.
Serious collisions
428
19.1% of collisions here ended in a death or serious injury.
Severity of collisions
What the data shows in the NN4 postcode district
Collisions in the NN4 postcode district are most frequently recorded on a Friday (17.1% of the total), with 29.1% happening in darkness rather than daylight. The most common posted speed limit at the scene is 30 mph.
40.5% of recorded collisions in the NN4 postcode district happen on a single carriageway. Around 17.9% were recorded in adverse weather such as rain, snow or fog.
The collisions in the NN4 postcode district have produced 3,270 casualties. Pedestrians account for 6.5% 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 271 collisions, Monday 361 collisions, Tuesday 363 collisions, Wednesday 376 collisions, Thursday 373 collisions, Friday 425 collisions, Saturday 322 collisions.
Light conditions
Light conditions: Daylight 1,766 collisions, Darkness 725 collisions.
Road type
Road type: Single carriageway 1,008 collisions, Dual carriageway 866 collisions, Roundabout 548 collisions, Slip road 56 collisions, Other 8 collisions, Unknown 3 collisions, One way street 2 collisions.
Speed limit at the scene
Speed limit at the scene: 20 mph 25 collisions, 30 mph 931 collisions, 40 mph 430 collisions, 50 mph 98 collisions, 60 mph 363 collisions, 70 mph 644 collisions.
Weather at the time
Weather at the time: Fine no high winds 2,044 collisions, Raining no high winds 341 collisions, Other 31 collisions, Unknown 22 collisions, Fog or mist 21 collisions.
Who was hurt
Who was hurt: Driver or rider 2,216 casualties, Passenger 842 casualties, Pedestrian 212 casualties.
Move Insights
Thinking of moving to this area?
Check flood risk, planning history, EPC ratings and more with a Move Insights property report.
Recent Accidents
Showing 20 of 2,491 accidents
Accident 200534NN05150
SlightAccident 200534NN05129
SlightAccident 200534NN05603
SeriousAccident 200534NN05021
SeriousAccident 200534ND04868
SlightAccident 200534NN04839
SlightAccident 200534NN04725
SlightAccident 200534TM04620
SlightAccident 200534NN04563
SlightAccident 200534TM04598
SeriousAccident 200534NN04577
SlightAccident 200534NN04512
SlightAccident 200534NN04474
SlightAccident 200534NN04480
SlightAccident 200534TM04475
SlightAccident 200534NN04477
SlightAccident 200534NN04478
SlightAccident 200534NN04420
SlightAccident 200534NN04330
SlightAccident 200534TM08025
FatalFrequently asked questions about road accidents in the NN4 postcode district
How many road accidents have there been in the NN4 postcode district?
2,491 collisions have been recorded in the NN4 postcode district in the STATS19 road safety data between 1999 and 2024, involving 3,270 casualties.
How many of the collisions in the NN4 postcode district were serious or fatal?
47 were fatal and 428 were serious — 19.1% of all recorded collisions in the NN4 postcode district resulted in a death or serious injury.
When do most road accidents happen in the NN4 postcode district?
Friday is the most common day for collisions in the NN4 postcode district, accounting for 17.1% of them, and 29.1% of all collisions here happen in darkness.
What kind of roads do collisions in the NN4 postcode district happen on?
40.5% of collisions in the NN4 postcode district are recorded on a single carriageway, most often where the limit is 30 mph.
Are pedestrians often hurt in collisions in the NN4 postcode district?
Pedestrians make up 6.5% of the 3,270 casualties recorded in the NN4 postcode district.
Is road safety in the NN4 postcode district getting better or worse?
Recorded collisions in the NN4 postcode district rose 18% 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 NN4 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 NN4 postcode district cover 1999 to 2024.