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CrashStats

NR4 road accidents: crash map and statistics

Police recorded 2,931 road traffic collisions in the NR4 postcode district, Norwich, from 1983 to 2025, and 3,784 people were killed or injured in them. Of those collisions, 39 were fatal and 588 were serious.

In 2025 police recorded 64 collisions, down 9% on 2024 (70).

Collisions since 1983
2,931
1,342nd highest of 2,813 postcode districts
Casualties
3,784
1.29 per collision
Fatal collisions
39
43 people killed
Serious collisions
588
660 seriously injured
Collisions in 2025
64
Down 9% on 2024
Casualties in 2025
77
Down 6% on 2024

Road collision statistics for NR4

Collisions by severity, 1983 to 2025

  • Fatal391.3%
  • Serious58820%
  • Slight2,30479%

What the data shows

  • NR4 had 537 collisions from 2016 to 2025, 15% fewer than the 631 from 2006 to 2015.
  • 21% of collisions in NR4 were fatal or serious, against 20% across Great Britain.
  • 437 children under 16 were killed or injured in NR4, 12% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 35% of collisions in NR4.

Where NR4 ranks among 2,813 postcode districts

Most collisions
1,342nd
Most casualties
1,387th
Most fatal collisions
1,538th
Most serious collisions
1,241st

Collisions by day of the week

  • Monday463 (16%)
  • Tuesday443 (15%)
  • Wednesday475 (16%)
  • Thursday454 (15%)
  • Friday478 (16%)
  • Saturday368 (13%)
  • Sunday250 (8.5%)

Light conditions

  • Daylight2,177 (74%)
  • Dark, street lights lit554 (19%)
  • Dark, no street lighting145 (4.9%)
  • Dark, lighting unknown38 (1.3%)
  • Dark, street lights unlit17 (0.6%)

Type of road

  • Single carriageway2,232 (76%)
  • Dual carriageway369 (13%)
  • Roundabout267 (9.1%)
  • One way street or slip road47 (1.6%)
  • Not recorded16 (0.5%)

Speed limit at the scene

  • 20 mph85 (2.9%)
  • 30 mph1,601 (55%)
  • 40 mph499 (17%)
  • 50 mph22 (0.8%)
  • 60 mph412 (14%)
  • 70 mph312 (11%)

Weather at the time

  • Fine, no high winds2,312 (79%)
  • Raining, no high winds371 (13%)
  • Fine with high winds38 (1.3%)
  • Raining with high winds28 (1%)
  • Fog or mist23 (0.8%)
  • Snowing, no high winds19 (0.6%)
  • Snowing with high winds2 (0.1%)
  • Other101 (3.4%)
  • Not recorded37 (1.3%)

Who was hurt

  • Car occupant2,079 (55%)
  • Cyclist566 (15%)
  • Motorcyclist534 (14%)
  • Pedestrian361 (9.5%)
  • Van occupant88 (2.3%)
  • Bus or coach occupant68 (1.8%)
  • Goods vehicle occupant (over 3.5 tonnes)44 (1.2%)
  • Other vehicle occupant18 (0.5%)
  • Taxi or private hire car occupant15 (0.4%)
  • Minibus occupant5 (0.1%)
  • Other5 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

NR4 road accidents by year

Collisions and casualties in NR4, 1983 to 2025

Collisions in NR4 peaked at 102 in 1983; 2025 had 64.

  • Collisions
  • Collisions in 2025: 64
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20256477
20247082
20232936
20225172
20214451
20203746
20195571
20186382
20175880
20166678
20157283
20146579
20136282
20124758
201179106
20105667
20096890
20085981
20075773
20066690
20057090
20045577
20036887
200268107
20017087
20007590
19997895
19987390
199779103
19966187
19955174
199476105
19937587
199286118
1991101129
199091108
198979103
19887497
198789114
19867589
198579113
198488128
1983102122

Map of recent crashes in NR4

Map of the 24 most recent crashes in NR4

Use the arrow keys to move the map and the plus and minus keys to zoom.

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in NR4

The 24 most recent collisions in NR4 happened between 24 September and 29 December 2025.

Severity

Crashes by road in NR4

The A140 has the most collisions in NR4, 586 of 2,931 (20%), followed by the A11 (490).

Collisions in NR4 on each road, 1983 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA140586756798
2ndA114906568106
3rdA47390555677
4thB1108353471575
5thB111365101422
6thA1465262111
7thA10566701

Council areas covering NR4

Collisions in NR4 were recorded in 2 council areas. Norwich has 1,904 of 2,931 (65%).

Collisions in NR4 by council area, 1983 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stNorwich1,9042,35322389
2ndSouth Norfolk1,0251,42917198

Towns in NR4

Collisions in NR4 were recorded in 3 towns, led by Norwich (1,815) and Colney (130).