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CrashStats

Potters Bar road accidents: crash map and statistics

Police recorded 2,004 road traffic collisions in Potters Bar, Hertsmere, from 1979 to 2025, and 2,515 people were killed or injured in them. Of those collisions, 17 were fatal and 315 were serious.

In 2025 police recorded 19 collisions, down 17% on 2024 (23).

Collisions since 1979
2,004
466th highest of 2,851 towns
Casualties
2,515
1.25 per collision
Fatal collisions
17
17 people killed
Serious collisions
315
339 seriously injured
Collisions in 2025
19
Down 17% on 2024
Casualties in 2025
26
Down 4% on 2024

Road collision statistics for Potters Bar

Collisions by severity, 1979 to 2025

  • Fatal170.8%
  • Serious31516%
  • Slight1,67283%

What the data shows

  • Potters Bar had 227 collisions from 2016 to 2025, 31% fewer than the 328 from 2006 to 2015.
  • 17% of collisions in Potters Bar were fatal or serious, against 20% across Great Britain.
  • 315 children under 16 were killed or injured in Potters Bar, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in Potters Bar.

Where Potters Bar ranks among 2,851 towns

Most collisions
466th
Most casualties
467th
Most fatal collisions
560th
Most serious collisions
483rd

Collisions by day of the week

  • Monday296 (15%)
  • Tuesday281 (14%)
  • Wednesday267 (13%)
  • Thursday312 (16%)
  • Friday356 (18%)
  • Saturday282 (14%)
  • Sunday210 (10%)

Light conditions

  • Daylight1,469 (73%)
  • Dark, street lights lit494 (25%)
  • Dark, no street lighting20 (1%)
  • Dark, lighting unknown15 (0.7%)
  • Dark, street lights unlit6 (0.3%)

Type of road

  • Single carriageway1,886 (94%)
  • Dual carriageway55 (2.7%)
  • Roundabout24 (1.2%)
  • One way street or slip road23 (1.1%)
  • Not recorded16 (0.8%)

Speed limit at the scene

  • 20 mph6 (0.3%)
  • 30 mph1,898 (95%)
  • 40 mph33 (1.6%)
  • 50 mph1 (under 0.1%)
  • 60 mph39 (1.9%)
  • 70 mph27 (1.3%)

Weather at the time

  • Fine, no high winds1,635 (82%)
  • Raining, no high winds269 (13%)
  • Fine with high winds24 (1.2%)
  • Raining with high winds14 (0.7%)
  • Snowing, no high winds11 (0.5%)
  • Fog or mist8 (0.4%)
  • Snowing with high winds1 (under 0.1%)
  • Other28 (1.4%)
  • Not recorded14 (0.7%)

Who was hurt

  • Car occupant1,451 (58%)
  • Pedestrian437 (17%)
  • Motorcyclist308 (12%)
  • Cyclist184 (7.3%)
  • Bus or coach occupant46 (1.8%)
  • Van occupant46 (1.8%)
  • Other vehicle occupant13 (0.5%)
  • Goods vehicle occupant (over 3.5 tonnes)10 (0.4%)
  • Minibus occupant8 (0.3%)
  • Taxi or private hire car occupant5 (0.2%)
  • Other2 (0.1%)
  • Not recorded5 (0.2%)

Source: Department for Transport, STATS19 road safety data

Potters Bar road accidents by year

Collisions and casualties in Potters Bar, 1979 to 2025

Collisions in Potters Bar peaked at 86 in 1990; 2025 had 19.

  • Collisions
  • Collisions in 2025: 19
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251926
20242327
20232024
20222431
20211927
20202233
20191822
20182235
20172532
20163542
20153338
20143144
20132836
20122025
20113446
20103248
20093549
20082733
20074355
20064555
20053545
20043654
20034862
20024458
20015060
20005979
19994153
19985173
19974860
19966067
19956684
19945769
19935874
19925975
19917290
199086102
19896678
19886475
19878092
19867082
19857276
19847491
19836677
198285108
198100
198012
197911

Map of recent crashes in Potters Bar

Map of the 24 most recent crashes in Potters Bar

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Potters Bar

The 24 most recent collisions in Potters Bar happened between 27 November 2024 and 4 December 2025.

Severity

Crashes by road in Potters Bar

The A1000 has the most collisions in Potters Bar, 487 of 2,004 (24%), followed by the B556 (335).

Collisions in Potters Bar on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA1000487621478
2ndB556335443351
3rdA111230273231
4thB15697136114
5thM25273812
6thA1215602

Council areas covering Potters Bar

Collisions in Potters Bar were recorded in 4 council areas. Hertsmere has 1,852 of 2,004 (92%).

Collisions in Potters Bar by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stHertsmere1,8522,30517281
2ndWelwyn Hatfield112159026
3rdBarnet334207
4thBroxbourne4400

Postcode district for Potters Bar

All 2,004 collisions in Potters Bar were in the EN6 postcode district.