Skip to main content
CrashStats

IP20 road accidents: crash map and statistics

Police recorded 770 road traffic collisions in the IP20 postcode district, South Norfolk, from 1980 to 2025, and 1,035 people were killed or injured in them. Of those collisions, 23 were fatal and 214 were serious.

In 2025 police recorded 12 collisions, down from 15 in 2024.

Collisions since 1980
770
2,291st of 2,813 postcode districts, highest first
Casualties
1,035
1.34 per collision
Fatal collisions
23
26 people killed
Serious collisions
214
248 seriously injured
Collisions in 2025
12
15 in 2024
Casualties in 2025
16
Down 24% on 2024

Road collision statistics for IP20

Collisions by severity, 1980 to 2025

  • Fatal233%
  • Serious21428%
  • Slight53369%

What the data shows

  • IP20 had 111 collisions from 2016 to 2025, 29% fewer than the 157 from 2006 to 2015.
  • 31% of collisions in IP20 were fatal or serious, against 20% across Great Britain.
  • 98 children under 16 were killed or injured in IP20, 9.6% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 42% of collisions in IP20.

Where IP20 ranks among 2,813 postcode districts

Most collisions
2,291st
Most casualties
2,307th
Most fatal collisions
2,062nd
Most serious collisions
2,203rd

Collisions by day of the week

  • Monday107 (14%)
  • Tuesday103 (13%)
  • Wednesday99 (13%)
  • Thursday114 (15%)
  • Friday148 (19%)
  • Saturday104 (14%)
  • Sunday95 (12%)

Light conditions

  • Daylight561 (73%)
  • Dark, no street lighting128 (17%)
  • Dark, street lights lit65 (8.4%)
  • Dark, lighting unknown11 (1.4%)
  • Dark, street lights unlit5 (0.6%)

Type of road

  • Single carriageway692 (90%)
  • Roundabout39 (5.1%)
  • One way street or slip road28 (3.6%)
  • Dual carriageway4 (0.5%)
  • Not recorded7 (0.9%)

Speed limit at the scene

  • 20 mph24 (3.1%)
  • 30 mph226 (29%)
  • 40 mph48 (6.2%)
  • 50 mph1 (0.1%)
  • 60 mph469 (61%)
  • 70 mph2 (0.3%)

Weather at the time

  • Fine, no high winds590 (77%)
  • Raining, no high winds100 (13%)
  • Fine with high winds16 (2.1%)
  • Fog or mist14 (1.8%)
  • Raining with high winds10 (1.3%)
  • Snowing, no high winds4 (0.5%)
  • Snowing with high winds1 (0.1%)
  • Other31 (4%)
  • Not recorded4 (0.5%)

Who was hurt

  • Car occupant620 (60%)
  • Motorcyclist170 (16%)
  • Pedestrian91 (8.8%)
  • Cyclist71 (6.9%)
  • Van occupant34 (3.3%)
  • Goods vehicle occupant (over 3.5 tonnes)30 (2.9%)
  • Minibus occupant6 (0.6%)
  • Other vehicle occupant6 (0.6%)
  • Bus or coach occupant3 (0.3%)
  • Mobility scooter rider2 (0.2%)
  • Other2 (0.2%)

Source: Department for Transport, STATS19 road safety data

IP20 road accidents by year

Collisions and casualties in IP20, 1980 to 2025

Collisions in IP20 peaked at 29 in 1988; 2025 had 12.

  • Collisions
  • Collisions in 2025: 12
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251216
20241521
20231417
20221415
202144
202034
20191115
20181116
20171524
20161219
20151417
20141624
20132125
20121316
20111214
20101215
20091319
20081727
20072631
20061320
20051723
20042329
20031930
20022433
20011722
20002026
19992232
19982128
19972333
19961621
19951720
19942126
19931621
19922329
19911415
19901621
19892835
19882935
19872232
19862738
19852736
19842536
19832741
198246
198125
198023

Map of recent crashes in IP20

Map of the 24 most recent crashes in IP20

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in IP20

The 24 most recent collisions in IP20 happened between 12 March 2024 and 25 October 2025.

Severity

Crashes by road in IP20

The A143 has the most collisions in IP20, 225 of 770 (29%), followed by the B1134 (115).

Collisions in IP20 on each road, 1980 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA1432253461369
2ndB1134115140139
3rdB1116355017
4thB11233445212
5thB1062142003

Council areas covering IP20

Collisions in IP20 were recorded in 3 council areas. South Norfolk has 677 of 770 (88%).

Collisions in IP20 by council area, 1980 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stSouth Norfolk67790620191
2ndMid Suffolk6281217
3rdEast Suffolk304716

Town in IP20

Of the 770 collisions in IP20, 211 (27%) were in Harleston.