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CrashStats

IP22 road accidents: crash map and statistics

Police recorded 2,477 road traffic collisions in the IP22 postcode district, South Norfolk, from 1980 to 2025, and 3,425 people were killed or injured in them. Of those collisions, 64 were fatal and 660 were serious.

In 2025 police recorded 33 collisions, down 18% on 2024 (40).

Collisions since 1980
2,477
1,525th of 2,813 postcode districts, highest first
Casualties
3,425
1.38 per collision
Fatal collisions
64
66 people killed
Serious collisions
660
819 seriously injured
Collisions in 2025
33
Down 18% on 2024
Casualties in 2025
41
Down 29% on 2024

Road collision statistics for IP22

Collisions by severity, 1980 to 2025

  • Fatal642.6%
  • Serious66027%
  • Slight1,75371%

What the data shows

  • IP22 had 336 collisions from 2016 to 2025, 29% fewer than the 473 from 2006 to 2015.
  • 29% of collisions in IP22 were fatal or serious, against 20% across Great Britain.
  • 301 children under 16 were killed or injured in IP22, 8.9% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in IP22.

Where IP22 ranks among 2,813 postcode districts

Most collisions
1,525th
Most casualties
1,516th
Most fatal collisions
819th
Most serious collisions
1,044th

Collisions by day of the week

  • Monday349 (14%)
  • Tuesday340 (14%)
  • Wednesday343 (14%)
  • Thursday361 (15%)
  • Friday430 (17%)
  • Saturday367 (15%)
  • Sunday287 (12%)

Light conditions

  • Daylight1,804 (73%)
  • Dark, no street lighting464 (19%)
  • Dark, street lights lit179 (7.2%)
  • Dark, lighting unknown23 (0.9%)
  • Dark, street lights unlit7 (0.3%)

Type of road

  • Single carriageway2,395 (97%)
  • One way street or slip road40 (1.6%)
  • Roundabout19 (0.8%)
  • Dual carriageway10 (0.4%)
  • Not recorded13 (0.5%)

Speed limit at the scene

  • 20 mph12 (0.5%)
  • 30 mph959 (39%)
  • 40 mph117 (4.7%)
  • 50 mph45 (1.8%)
  • 60 mph1,332 (54%)
  • 70 mph12 (0.5%)

Weather at the time

  • Fine, no high winds1,896 (77%)
  • Raining, no high winds325 (13%)
  • Fog or mist49 (2%)
  • Fine with high winds31 (1.3%)
  • Raining with high winds27 (1.1%)
  • Snowing, no high winds11 (0.4%)
  • Snowing with high winds1 (under 0.1%)
  • Other117 (4.7%)
  • Not recorded20 (0.8%)

Who was hurt

  • Car occupant2,283 (67%)
  • Motorcyclist399 (12%)
  • Pedestrian287 (8.4%)
  • Cyclist229 (6.7%)
  • Van occupant99 (2.9%)
  • Goods vehicle occupant (over 3.5 tonnes)57 (1.7%)
  • Other vehicle occupant23 (0.7%)
  • Bus or coach occupant19 (0.6%)
  • Minibus occupant16 (0.5%)
  • Taxi or private hire car occupant7 (0.2%)
  • Other5 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

IP22 road accidents by year

Collisions and casualties in IP22, 1980 to 2025

Collisions in IP22 peaked at 95 in 1988; 2025 had 33.

  • Collisions
  • Collisions in 2025: 33
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253341
20244058
20232738
20222840
20212429
20201824
20193648
20184464
20174374
20164348
20153447
20144565
20134264
20123845
20115373
20104867
20093955
20085473
20075160
20066997
20056192
20045873
20037597
20026080
20015784
20007188
19994570
19985475
19975680
19965078
19954970
19946175
199374113
199293136
19916893
199090116
198990121
198895133
198789125
19867389
198585115
19847192
19836496
19822958
19812230
19802836

Map of recent crashes in IP22

Map of the 24 most recent crashes in IP22

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in IP22

The 24 most recent collisions in IP22 happened between 31 May and 30 December 2025.

Severity

Crashes by road in IP22

The A1066 has the most collisions in IP22, 713 of 2,477 (29%), followed by the A143 (473).

Collisions in IP22 on each road, 1980 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA106671399819189
2ndA14347372319130
3rdB1077241328371
4thB1111103155233
5thB111397138226
6thB11328997121

Council areas covering IP22

Collisions in IP22 were recorded in 4 council areas. South Norfolk has 1,235 of 2,477 (50%).

Collisions in IP22 by council area, 1980 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSouth Norfolk1,2351,59118298
2ndMid Suffolk63091122173
3rdBreckland37057017123
4thWest Suffolk238347765

Town in IP22

Of the 2,477 collisions in IP22, 712 (29%) were in Diss.