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CrashStats

SG7 road accidents: crash map and statistics

Police recorded 2,380 road traffic collisions in the SG7 postcode district, North Hertfordshire, from 1979 to 2025, and 3,518 people were killed or injured in them. Of those collisions, 88 were fatal and 497 were serious.

In 2025 police recorded 31 collisions, up from 19 in 2024.

Collisions since 1979
2,380
1,574th of 2,813 postcode districts, highest first
Casualties
3,518
1.48 per collision
Fatal collisions
88
92 people killed
Serious collisions
497
639 seriously injured
Collisions in 2025
31
19 in 2024
Casualties in 2025
50
Up 56% on 2024

Road collision statistics for SG7

Collisions by severity, 1979 to 2025

  • Fatal883.7%
  • Serious49721%
  • Slight1,79575%

What the data shows

  • SG7 had 270 collisions from 2016 to 2025, 31% fewer than the 391 from 2006 to 2015.
  • 25% of collisions in SG7 were fatal or serious, against 20% across Great Britain.
  • 337 children under 16 were killed or injured in SG7, 9.6% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 40% of collisions in SG7.

Where SG7 ranks among 2,813 postcode districts

Most collisions
1,574th
Most casualties
1,482nd
Most fatal collisions
404th
Most serious collisions
1,497th

Collisions by day of the week

  • Monday327 (14%)
  • Tuesday287 (12%)
  • Wednesday325 (14%)
  • Thursday374 (16%)
  • Friday391 (16%)
  • Saturday342 (14%)
  • Sunday334 (14%)

Light conditions

  • Daylight1,675 (70%)
  • Dark, no street lighting422 (18%)
  • Dark, street lights lit262 (11%)
  • Dark, street lights unlit11 (0.5%)
  • Dark, lighting unknown10 (0.4%)

Type of road

  • Single carriageway1,481 (62%)
  • Dual carriageway755 (32%)
  • Roundabout86 (3.6%)
  • One way street or slip road48 (2%)
  • Not recorded10 (0.4%)

Speed limit at the scene

  • 20 mph4 (0.2%)
  • 30 mph739 (31%)
  • 40 mph171 (7.2%)
  • 50 mph8 (0.3%)
  • 60 mph695 (29%)
  • 70 mph763 (32%)

Weather at the time

  • Fine, no high winds1,834 (77%)
  • Raining, no high winds320 (13%)
  • Fine with high winds54 (2.3%)
  • Fog or mist50 (2.1%)
  • Raining with high winds43 (1.8%)
  • Snowing, no high winds13 (0.5%)
  • Snowing with high winds4 (0.2%)
  • Other38 (1.6%)
  • Not recorded24 (1%)

Who was hurt

  • Car occupant2,533 (72%)
  • Motorcyclist323 (9.2%)
  • Pedestrian243 (6.9%)
  • Cyclist168 (4.8%)
  • Van occupant144 (4.1%)
  • Goods vehicle occupant (over 3.5 tonnes)50 (1.4%)
  • Taxi or private hire car occupant15 (0.4%)
  • Bus or coach occupant13 (0.4%)
  • Minibus occupant13 (0.4%)
  • Other vehicle occupant12 (0.3%)
  • Other4 (0.1%)

Source: Department for Transport, STATS19 road safety data

SG7 road accidents by year

Collisions and casualties in SG7, 1979 to 2025

Collisions in SG7 peaked at 82 in 2002; 2025 had 31.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253150
20241932
20233240
20222026
20212024
20202041
20192739
20182734
20173954
20163554
20153246
20144467
20133048
20123144
20112947
20102644
20094875
20083139
20076491
20065686
20056894
20045481
200376113
200282119
20017599
20006286
199977109
199880125
199762103
19965873
19955383
199479120
19937099
19924979
199172106
199065109
19896393
198866108
198776114
19865268
19854459
19845875
19835896
19824356
19814972
19805584
197973114

Map of recent crashes in SG7

Map of the 24 most recent crashes in SG7

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 SG7

The 24 most recent collisions in SG7 happened between 8 April and 19 December 2025.

Severity

Crashes by road in SG7

The A505 has the most collisions in SG7, 669 of 2,380 (28%), followed by the A507 (417).

Collisions in SG7 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA5056691,07132147
2ndA5074176081491
3rdA12654261249
4thA6141189243641
5thA1(M)174275827
6thB1974658010
7thB656405525

Council areas covering SG7

Collisions in SG7 were recorded in 5 council areas. North Hertfordshire has 2,074 of 2,380 (87%).

Collisions in SG7 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stNorth Hertfordshire2,0743,04378437
2ndCentral Bedfordshire274430952
3rdSouth Cambridgeshire233216
4thBedford3500
5thStevenage3400

Town in SG7

Of the 2,380 collisions in SG7, 739 (31%) were in Baldock.