Skip to main content
CrashStats

B504 accidents: crash map and statistics

Police recorded 347 collisions on the B504 from 1979 to 2025, with 380 casualties. Of those crashes, 2 were fatal and 57 serious, and 2 people were killed.

In 2025 there were 6 collisions on the B504, level with 2024, with 6 casualties.

Collisions since 1979
347
2,502nd highest of 4,923 roads
Casualties
380
1.10 per collision
Fatal collisions
2
2 people killed
Serious collisions
57
58 seriously injured
Collisions in 2025
6
Level with 2024
Casualties in 2025
6
Level with 2024

Crash severity on the B504

On the B504, 0.6% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal20.6%
  • Serious5716%
  • Slight28883%

Where the B504 ranks among 4,923 roads

Most collisions
2,502nd
Most casualties
2,798th
Most fatal collisions
3,485th
Most serious collisions
2,775th

B504 accidents by year

Collisions on the B504 peaked at 15 in 1989 and were down to 6 in 2025.

Collisions and casualties on the B504, 1979 to 2025

  • Collisions
  • Collisions in 2025: 6
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202566
202466
202333
202266
202122
202033
201922
201833
201777
201644
201566
201477
201356
201256
201188
201088
200988
200845
200744
200689
200556
200466
200366
20021010
200199
2000911
199988
199889
19971011
19961013
199588
1994811
19931013
199289
19911111
19901212
19891521
19881212
19871517
198677
198555
19841316
198399
198277
19811010
198046
197978

When crashes happen on the B504

Friday has the most collisions on the B504 (71), and 6pm to 9pm is the busiest time of day (85).

Collisions by day of the week

  • Monday49 (14%)
  • Tuesday53 (15%)
  • Wednesday51 (15%)
  • Thursday64 (18%)
  • Friday71 (20%)
  • Saturday39 (11%)
  • Sunday20 (5.8%)

Collisions by time of day

  • Midnight to 3am6 (1.7%)
  • 3am to 6am7 (2%)
  • 6am to 9am21 (6.1%)
  • 9am to noon59 (17%)
  • Noon to 3pm63 (18%)
  • 3pm to 6pm81 (23%)
  • 6pm to 9pm85 (24%)
  • 9pm to midnight25 (7.2%)

Collisions by month

  • January16 (4.6%)
  • February29 (8.4%)
  • March35 (10%)
  • April36 (10%)
  • May37 (11%)
  • June26 (7.5%)
  • July29 (8.4%)
  • August21 (6.1%)
  • September34 (9.8%)
  • October34 (9.8%)
  • November29 (8.4%)
  • December21 (6.1%)

Light conditions at the time

  • Daylight257 (74%)
  • Dark, street lights lit87 (25%)
  • Dark, lighting unknown2 (0.6%)
  • Dark, street lights unlit1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B504 crashes

On the B504, 91% of collisions happened where the speed limit was 30 mph and 82% on a dry road surface.

Speed limit at the scene

  • 20 mph31 (8.9%)
  • 30 mph316 (91%)

Weather at the time

  • Fine, no high winds274 (79%)
  • Raining, no high winds39 (11%)
  • Fine with high winds2 (0.6%)
  • Other22 (6.3%)
  • Not recorded10 (2.9%)

Road surface

  • Dry285 (82%)
  • Wet or damp61 (18%)
  • Not recorded1 (0.3%)

Type of road

  • Single carriageway267 (77%)
  • One way street or slip road48 (14%)
  • Roundabout8 (2.3%)
  • Dual carriageway6 (1.7%)
  • Not recorded18 (5.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B504 crashes

Pedestrians make up 37% of the people killed or injured on the B504, followed by cyclists (25%).

Casualties by road user

  • Pedestrian139 (37%)
  • Cyclist96 (25%)
  • Motorcyclist64 (17%)
  • Car occupant54 (14%)
  • Taxi or private hire car occupant17 (4.5%)
  • Van occupant6 (1.6%)
  • Other3 (0.8%)
  • Not recorded1 (0.3%)

Vehicles involved

  • Car257 (46%)
  • Pedal cycle105 (19%)
  • Motorcycle86 (15%)
  • Taxi or private hire car52 (9.2%)
  • Van or goods vehicle up to 3.5 tonnes42 (7.5%)
  • Goods vehicle over 3.5 tonnes13 (2.3%)
  • Other vehicle3 (0.5%)
  • Other5 (0.9%)

Casualties by age

  • 0 to 55 (1.3%)
  • 6 to 109 (2.4%)
  • 11 to 1510 (2.6%)
  • 16 to 2027 (7.1%)
  • 21 to 2571 (19%)
  • 26 to 3594 (25%)
  • 36 to 4551 (13%)
  • 46 to 5528 (7.4%)
  • 56 to 6537 (9.7%)
  • 66 to 758 (2.1%)
  • Over 7511 (2.9%)
  • Not recorded29 (7.6%)

Drivers, passengers and pedestrians

  • Driver or rider206 (54%)
  • Pedestrian139 (37%)
  • Passenger35 (9.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B504

Map of the 25 most recent crashes on the B504

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

  • 25 crashes
  • Serious
  • Slight

B504 crashes by council area

Of the 347 collisions on the B504, 345 were in Camden.

Collisions on the B504 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCamden345378257

B504 crashes by town

Of the 347 collisions on the B504, 324 were in the built-up area of Camden.

Recent crashes on the B504

These are the 25 most recent collisions on the B504, from 24 February 2020 to 22 November 2025.

Severity