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CrashStats

A502 accidents: crash map and statistics

Police recorded 5,726 collisions on the A502 from 1979 to 2025, with 6,490 casualties. Of those crashes, 30 were fatal and 790 serious, and 31 people were killed.

In 2025 there were 66 collisions on the A502, down 18% from 80 in 2024, with 69 casualties.

Collisions since 1979
5,726
171st highest of 4,923 roads
Casualties
6,490
1.13 per collision
Fatal collisions
30
31 people killed
Serious collisions
790
823 seriously injured
Collisions in 2025
66
Down 18% on 2024
Casualties in 2025
69
Down 23% on 2024

Crash severity on the A502

On the A502, 0.5% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal300.5%
  • Serious79014%
  • Slight4,90686%

Where the A502 ranks among 4,923 roads

Most collisions
171st
Most casualties
220th
Most fatal collisions
680th
Most serious collisions
247th

A502 accidents by year

Collisions on the A502 peaked at 224 in 1979 and were down to 66 in 2025.

Collisions and casualties on the A502, 1979 to 2025

  • Collisions
  • Collisions in 2025: 66
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20256669
20248090
20237584
20227686
20215862
20204650
20197075
20187290
20178792
20167080
20157387
20147992
20136877
20128196
20117986
201097119
20098590
20087480
20076676
200691100
20058189
200493105
2003120134
2002119132
2001123139
2000119135
1999152171
1998115126
1997131150
1996194223
1995164184
1994186214
1993166178
1992146175
1991147165
1990168189
1989166180
1988174196
1987149170
1986196218
1985180201
1984184216
1983184206
1982186217
1981164189
1980202235
1979224272

When crashes happen on the A502

Thursday has the most collisions on the A502 (893), and 3pm to 6pm is the busiest time of day (1,257).

Collisions by day of the week

  • Monday788 (14%)
  • Tuesday806 (14%)
  • Wednesday828 (14%)
  • Thursday893 (16%)
  • Friday891 (16%)
  • Saturday814 (14%)
  • Sunday706 (12%)

Collisions by time of day

  • Midnight to 3am358 (6.3%)
  • 3am to 6am113 (2%)
  • 6am to 9am430 (7.5%)
  • 9am to noon859 (15%)
  • Noon to 3pm1,031 (18%)
  • 3pm to 6pm1,257 (22%)
  • 6pm to 9pm925 (16%)
  • 9pm to midnight753 (13%)

Collisions by month

  • January442 (7.7%)
  • February375 (6.5%)
  • March469 (8.2%)
  • April439 (7.7%)
  • May473 (8.3%)
  • June513 (9%)
  • July493 (8.6%)
  • August487 (8.5%)
  • September486 (8.5%)
  • October513 (9%)
  • November543 (9.5%)
  • December493 (8.6%)

Light conditions at the time

  • Daylight3,765 (66%)
  • Dark, street lights lit1,869 (33%)
  • Dark, lighting unknown69 (1.2%)
  • Dark, street lights unlit15 (0.3%)
  • Dark, no street lighting8 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A502 crashes

On the A502, 93% of collisions happened where the speed limit was 30 mph and 77% on a dry road surface.

Speed limit at the scene

  • 10 mph1 (under 0.1%)
  • 20 mph385 (6.7%)
  • 30 mph5,315 (93%)
  • 40 mph19 (0.3%)
  • 50 mph3 (0.1%)
  • 60 mph2 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds4,241 (74%)
  • Raining, no high winds661 (12%)
  • Fine with high winds42 (0.7%)
  • Raining with high winds26 (0.5%)
  • Other604 (11%)
  • Not recorded152 (2.7%)

Road surface

  • Dry4,433 (77%)
  • Wet or damp1,202 (21%)
  • Snow21 (0.4%)
  • Frost or ice16 (0.3%)
  • Not recorded54 (0.9%)

Type of road

  • Single carriageway4,258 (74%)
  • One way street or slip road771 (13%)
  • Dual carriageway195 (3.4%)
  • Roundabout74 (1.3%)
  • Not recorded428 (7.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A502 crashes

Car occupants make up 31% of the people killed or injured on the A502, followed by pedestrians (31%).

Casualties by road user

  • Car occupant2,022 (31%)
  • Pedestrian2,007 (31%)
  • Motorcyclist1,133 (17%)
  • Cyclist675 (10%)
  • Bus or coach occupant440 (6.8%)
  • Van occupant96 (1.5%)
  • Other107 (1.6%)
  • Not recorded10 (0.2%)

Vehicles involved

  • Car5,892 (63%)
  • Motorcycle1,293 (14%)
  • Pedal cycle715 (7.6%)
  • Bus or coach620 (6.6%)
  • Van or goods vehicle up to 3.5 tonnes441 (4.7%)
  • Taxi or private hire car225 (2.4%)
  • Goods vehicle over 3.5 tonnes94 (1%)
  • Other83 (0.9%)

Casualties by age

  • 0 to 584 (1.3%)
  • 6 to 10105 (1.6%)
  • 11 to 15235 (3.6%)
  • 16 to 20719 (11%)
  • 21 to 25949 (15%)
  • 26 to 351,500 (23%)
  • 36 to 45826 (13%)
  • 46 to 55593 (9.1%)
  • 56 to 65433 (6.7%)
  • 66 to 75329 (5.1%)
  • Over 75273 (4.2%)
  • Not recorded444 (6.8%)

Drivers, passengers and pedestrians

  • Driver or rider3,244 (50%)
  • Pedestrian2,007 (31%)
  • Passenger1,239 (19%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A502

Map of the 25 most recent crashes on the A502

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

  • 25 crashes
  • Serious
  • Slight

A502 crashes by council area

Collisions on the A502 were recorded in 2 council areas. Camden has the most, with 3,572, followed by Barnet (2,147).

Collisions on the A502 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCamden3,5724,05120513
2ndBarnet2,1472,43010277

A502 crashes by town

Collisions on the A502 were recorded in 2 towns and built-up areas, led by Camden (3,103) and Barnet (1,926).

Recent crashes on the A502

These are the 25 most recent collisions on the A502, from 5 August to 25 December 2025.

Severity