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CrashStats

SG14 road accidents: crash map and statistics

Police recorded 2,579 road traffic collisions in the SG14 postcode district, East Hertfordshire, from 1979 to 2025, and 3,570 people were killed or injured in them. Of those collisions, 48 were fatal and 530 were serious.

In 2025 police recorded 20 collisions, down 39% on 2024 (33).

Collisions since 1979
2,579
1,486th of 2,813 postcode districts, highest first
Casualties
3,570
1.38 per collision
Fatal collisions
48
50 people killed
Serious collisions
530
644 seriously injured
Collisions in 2025
20
Down 39% on 2024
Casualties in 2025
42
Down 5% on 2024

Road collision statistics for SG14

Collisions by severity, 1979 to 2025

  • Fatal481.9%
  • Serious53021%
  • Slight2,00178%

What the data shows

  • SG14 had 303 collisions from 2016 to 2025, 30% fewer than the 432 from 2006 to 2015.
  • 22% of collisions in SG14 were fatal or serious, against 20% across Great Britain.
  • 348 children under 16 were killed or injured in SG14, 9.8% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in SG14.

Where SG14 ranks among 2,813 postcode districts

Most collisions
1,486th
Most casualties
1,463rd
Most fatal collisions
1,255th
Most serious collisions
1,405th

Collisions by day of the week

  • Monday368 (14%)
  • Tuesday386 (15%)
  • Wednesday390 (15%)
  • Thursday371 (14%)
  • Friday409 (16%)
  • Saturday370 (14%)
  • Sunday285 (11%)

Light conditions

  • Daylight1,842 (71%)
  • Dark, street lights lit394 (15%)
  • Dark, no street lighting303 (12%)
  • Dark, lighting unknown28 (1.1%)
  • Dark, street lights unlit12 (0.5%)

Type of road

  • Single carriageway1,934 (75%)
  • Dual carriageway313 (12%)
  • Roundabout247 (9.6%)
  • One way street or slip road81 (3.1%)
  • Not recorded4 (0.2%)

Speed limit at the scene

  • 20 mph36 (1.4%)
  • 30 mph1,039 (40%)
  • 40 mph352 (14%)
  • 50 mph29 (1.1%)
  • 60 mph911 (35%)
  • 70 mph212 (8.2%)

Weather at the time

  • Fine, no high winds2,059 (80%)
  • Raining, no high winds319 (12%)
  • Fine with high winds38 (1.5%)
  • Fog or mist30 (1.2%)
  • Raining with high winds24 (0.9%)
  • Snowing, no high winds13 (0.5%)
  • Snowing with high winds6 (0.2%)
  • Other56 (2.2%)
  • Not recorded34 (1.3%)

Who was hurt

  • Car occupant2,299 (64%)
  • Motorcyclist439 (12%)
  • Pedestrian377 (11%)
  • Cyclist242 (6.8%)
  • Van occupant123 (3.4%)
  • Goods vehicle occupant (over 3.5 tonnes)30 (0.8%)
  • Bus or coach occupant25 (0.7%)
  • Minibus occupant14 (0.4%)
  • Other vehicle occupant12 (0.3%)
  • Taxi or private hire car occupant7 (0.2%)
  • Other2 (0.1%)

Source: Department for Transport, STATS19 road safety data

SG14 road accidents by year

Collisions and casualties in SG14, 1979 to 2025

Collisions in SG14 peaked at 85 in 1989; 2025 had 20.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252042
20243344
20231923
20222838
20212335
20202331
20193648
20183547
20173646
20165062
20155579
20145062
20134452
20124461
20113850
20103444
20094053
20084161
20074762
20063958
20054963
20045370
20035376
20025984
20016690
20006086
19995884
19985476
199772103
19966887
19956187
19947598
199375107
199273102
199170114
19907394
198985118
198875100
19876492
19866588
198572107
198475100
198375115
198276114
198183121
19807896
197977100

Map of recent crashes in SG14

Map of the 24 most recent crashes in SG14

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 SG14

The 24 most recent collisions in SG14 happened between 27 October 2024 and 11 December 2025.

Severity

Crashes by road in SG14

The A414 has the most collisions in SG14, 608 of 2,579 (24%), followed by the A602 (476).

Collisions in SG14 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4146088626117
2ndA60247672915113
3rdB158241292253
4thA119209291636
5thB1000200324951
6thB195385236
7thB1001173016

Council areas covering SG14

Collisions in SG14 were recorded in 4 council areas. East Hertfordshire has 2,526 of 2,579 (98%).

Collisions in SG14 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stEast Hertfordshire2,5263,48745517
2ndStevenage325439
3rdWelwyn Hatfield142103
4thHertsmere3400

Towns in SG14

Collisions in SG14 were recorded in 2 towns, led by Hertford (1,110) and Watton at Stone (157).