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CrashStats

B502 accidents: crash map and statistics

Police recorded 571 collisions on the B502 from 1979 to 2025, with 598 casualties. Of those crashes, 4 were fatal and 73 serious, and 4 people were killed.

In 2025 there were 9 collisions on the B502, up 125% from 4 in 2024, with 9 casualties.

Collisions since 1979
571
1,761st highest of 4,923 roads
Casualties
598
1.05 per collision
Fatal collisions
4
4 people killed
Serious collisions
73
75 seriously injured
Collisions in 2025
9
Up 125% on 2024
Casualties in 2025
9
Up 125% on 2024

Crash severity on the B502

On the B502, 0.7% of collisions were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal40.7%
  • Serious7313%
  • Slight49487%

Where the B502 ranks among 4,923 roads

Most collisions
1,761st
Most casualties
2,144th
Most fatal collisions
2,815th
Most serious collisions
2,417th

B502 accidents by year

Collisions on the B502 peaked at 27 in 1992 and were down to 9 in 2025.

Collisions and casualties on the B502, 1979 to 2025

  • Collisions
  • Collisions in 2025: 9
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202599
202444
202399
202211
202177
202066
20191213
20181112
20171010
20161213
201577
201478
20131111
201288
20111010
20101010
200977
200899
200799
200688
200588
20041414
20031010
20021515
20011518
20001314
19992021
19981717
199767
19961213
199555
199488
19931618
19922729
19911313
19902021
19892525
19881717
19871518
19861924
19852021
19841818
19831414
19821515
19811617
19801010
19791617

When crashes happen on the B502

Wednesday has the most collisions on the B502 (111), and 3pm to 6pm is the busiest time of day (136).

Collisions by day of the week

  • Monday107 (19%)
  • Tuesday94 (16%)
  • Wednesday111 (19%)
  • Thursday85 (15%)
  • Friday108 (19%)
  • Saturday46 (8.1%)
  • Sunday20 (3.5%)

Collisions by time of day

  • Midnight to 3am13 (2.3%)
  • 3am to 6am9 (1.6%)
  • 6am to 9am60 (11%)
  • 9am to noon121 (21%)
  • Noon to 3pm99 (17%)
  • 3pm to 6pm136 (24%)
  • 6pm to 9pm103 (18%)
  • 9pm to midnight30 (5.3%)

Collisions by month

  • January46 (8.1%)
  • February32 (5.6%)
  • March53 (9.3%)
  • April53 (9.3%)
  • May38 (6.7%)
  • June45 (7.9%)
  • July58 (10%)
  • August55 (9.6%)
  • September41 (7.2%)
  • October49 (8.6%)
  • November60 (11%)
  • December41 (7.2%)

Light conditions at the time

  • Daylight431 (75%)
  • Dark, street lights lit129 (23%)
  • Dark, lighting unknown9 (1.6%)
  • Dark, no street lighting1 (0.2%)
  • Dark, street lights unlit1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B502 crashes

On the B502, 88% of collisions happened where the speed limit was 30 mph and 79% on a dry road surface.

Speed limit at the scene

  • 20 mph65 (11%)
  • 30 mph504 (88%)
  • 40 mph1 (0.2%)
  • 60 mph1 (0.2%)

Weather at the time

  • Fine, no high winds441 (77%)
  • Raining, no high winds64 (11%)
  • Raining with high winds3 (0.5%)
  • Fine with high winds2 (0.4%)
  • Other48 (8.4%)
  • Not recorded13 (2.3%)

Road surface

  • Dry452 (79%)
  • Wet or damp113 (20%)
  • Snow1 (0.2%)
  • Not recorded5 (0.9%)

Type of road

  • Single carriageway471 (82%)
  • One way street or slip road50 (8.8%)
  • Dual carriageway18 (3.2%)
  • Not recorded32 (5.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B502 crashes

Cyclists make up 33% of the people killed or injured on the B502, followed by pedestrians (26%).

Casualties by road user

  • Cyclist199 (33%)
  • Pedestrian156 (26%)
  • Motorcyclist113 (19%)
  • Car occupant94 (16%)
  • Taxi or private hire car occupant16 (2.7%)
  • Van occupant15 (2.5%)
  • Other4 (0.7%)
  • Not recorded1 (0.2%)

Vehicles involved

  • Car450 (46%)
  • Pedal cycle206 (21%)
  • Motorcycle137 (14%)
  • Van or goods vehicle up to 3.5 tonnes92 (9.4%)
  • Taxi or private hire car64 (6.5%)
  • Goods vehicle over 3.5 tonnes18 (1.8%)
  • Other vehicle10 (1%)
  • Other5 (0.5%)

Casualties by age

  • 0 to 57 (1.2%)
  • 6 to 1015 (2.5%)
  • 11 to 1517 (2.8%)
  • 16 to 2042 (7%)
  • 21 to 2581 (14%)
  • 26 to 35178 (30%)
  • 36 to 4594 (16%)
  • 46 to 5551 (8.5%)
  • 56 to 6534 (5.7%)
  • 66 to 7513 (2.2%)
  • Over 7511 (1.8%)
  • Not recorded55 (9.2%)

Drivers, passengers and pedestrians

  • Driver or rider400 (67%)
  • Pedestrian156 (26%)
  • Passenger42 (7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B502

Map of the 25 most recent crashes on the B502

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B502 crashes by council area

Collisions on the B502 were recorded in 2 council areas. Camden has the most, with 323, followed by Islington (247).

Collisions on the B502 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCamden323342040
2ndIslington247255433

B502 crashes by town

Collisions on the B502 were recorded in 2 towns and built-up areas, led by Camden (322) and Islington (204).

Recent crashes on the B502

These are the 25 most recent collisions on the B502, from 4 November 2021 to 29 December 2025.

Severity