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CrashStats

SG5 road accidents: crash map and statistics

Police recorded 4,114 road traffic collisions in the SG5 postcode district, North Hertfordshire, from 1979 to 2025, and 5,468 people were killed or injured in them. Of those collisions, 83 were fatal and 815 were serious.

In 2025 police recorded 36 collisions, down 25% on 2024 (48).

Collisions since 1979
4,114
851st highest of 2,813 postcode districts
Casualties
5,468
1.33 per collision
Fatal collisions
83
97 people killed
Serious collisions
815
943 seriously injured
Collisions in 2025
36
Down 25% on 2024
Casualties in 2025
49
Down 31% on 2024

Road collision statistics for SG5

Collisions by severity, 1979 to 2025

  • Fatal832%
  • Serious81520%
  • Slight3,21678%

What the data shows

  • SG5 had 483 collisions from 2016 to 2025, 33% fewer than the 726 from 2006 to 2015.
  • 22% of collisions in SG5 were fatal or serious, against 20% across Great Britain.
  • 624 children under 16 were killed or injured in SG5, 11% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 38% of collisions in SG5.

Where SG5 ranks among 2,813 postcode districts

Most collisions
851st
Most casualties
849th
Most fatal collisions
468th
Most serious collisions
703rd

Collisions by day of the week

  • Monday587 (14%)
  • Tuesday605 (15%)
  • Wednesday603 (15%)
  • Thursday649 (16%)
  • Friday656 (16%)
  • Saturday585 (14%)
  • Sunday429 (10%)

Light conditions

  • Daylight2,960 (72%)
  • Dark, street lights lit661 (16%)
  • Dark, no street lighting434 (11%)
  • Dark, lighting unknown38 (0.9%)
  • Dark, street lights unlit21 (0.5%)

Type of road

  • Single carriageway3,256 (79%)
  • Dual carriageway383 (9.3%)
  • Roundabout234 (5.7%)
  • One way street or slip road226 (5.5%)
  • Not recorded15 (0.4%)

Speed limit at the scene

  • 20 mph39 (0.9%)
  • 30 mph2,417 (59%)
  • 40 mph130 (3.2%)
  • 50 mph153 (3.7%)
  • 60 mph1,055 (26%)
  • 70 mph320 (7.8%)

Weather at the time

  • Fine, no high winds3,236 (79%)
  • Raining, no high winds541 (13%)
  • Fine with high winds80 (1.9%)
  • Raining with high winds58 (1.4%)
  • Fog or mist47 (1.1%)
  • Snowing, no high winds28 (0.7%)
  • Snowing with high winds12 (0.3%)
  • Other78 (1.9%)
  • Not recorded34 (0.8%)

Who was hurt

  • Car occupant3,193 (58%)
  • Pedestrian755 (14%)
  • Motorcyclist611 (11%)
  • Cyclist535 (9.8%)
  • Van occupant182 (3.3%)
  • Bus or coach occupant61 (1.1%)
  • Goods vehicle occupant (over 3.5 tonnes)60 (1.1%)
  • Taxi or private hire car occupant29 (0.5%)
  • Minibus occupant23 (0.4%)
  • Other vehicle occupant13 (0.2%)
  • Other5 (0.1%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

SG5 road accidents by year

Collisions and casualties in SG5, 1979 to 2025

Collisions in SG5 peaked at 136 in 1989; 2025 had 36.

  • Collisions
  • Collisions in 2025: 36
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253649
20244871
20234462
20224048
20213657
20204059
20194964
20186482
20175469
20167297
20156078
20146482
20135979
20127495
20116986
20105279
20096590
200888132
2007100138
200695132
200594118
2004123169
2003109158
200296122
200187105
2000101139
1999106138
1998111151
199795132
1996105134
199590113
1994105143
199395117
199297126
1991103137
1990115160
1989136182
1988116163
198796112
1986122145
1985132162
1984110153
1983101118
1982117165
1981111162
1980107128
1979125167

Map of recent crashes in SG5

Map of the 24 most recent crashes in SG5

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in SG5

The 24 most recent collisions in SG5 happened between 21 May and 23 December 2025.

Severity

Crashes by road in SG5

The A505 has the most collisions in SG5, 889 of 4,114 (22%), followed by the A600 (426).

Collisions in SG5 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA5058891,18418166
2ndA600426600793
3rdB6554176251785
4thA507198275446
5thA602107163413
6thA1649758
7thA6132232614
8thB656202202
9thA1(M)4502

Council areas covering SG5

Collisions in SG5 were recorded in 3 council areas. North Hertfordshire has 3,145 of 4,114 (76%).

Collisions in SG5 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stNorth Hertfordshire3,1454,13455611
2ndCentral Bedfordshire9541,31528203
3rdBedford7701

Towns in SG5

Collisions in SG5 were recorded in 4 towns, led by Hitchin (1,824) and Stotfold (384).