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CrashStats

A4200 accidents: crash map and statistics

Police recorded 3,215 collisions on the A4200 from 1979 to 2025, with 3,605 casualties. Of those crashes, 19 were fatal and 460 serious, and 19 people were killed.

In 2025 there were 31 collisions on the A4200, down 11% from 35 in 2024, with 31 casualties.

Collisions since 1979
3,215
354th highest of 4,923 roads
Casualties
3,605
1.12 per collision
Fatal collisions
19
19 people killed
Serious collisions
460
486 seriously injured
Collisions in 2025
31
Down 11% on 2024
Casualties in 2025
31
Down 21% on 2024

Crash severity on the A4200

On the A4200, 0.6% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal190.6%
  • Serious46014%
  • Slight2,73685%

Where the A4200 ranks among 4,923 roads

Most collisions
354th
Most casualties
436th
Most fatal collisions
1,031st
Most serious collisions
464th

A4200 accidents by year

Collisions on the A4200 peaked at 113 in 1982 and were down to 31 in 2025.

Collisions and casualties on the A4200, 1979 to 2025

  • Collisions
  • Collisions in 2025: 31
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20253131
20243539
20234350
20222932
20212729
20201920
20195659
20185461
20175258
20164652
20156184
20146473
20136471
20125561
20115668
20106063
20095156
20084958
20075258
20065865
20055665
20046067
20037381
20025966
200189104
20007285
19998090
199891100
19978493
1996100107
199596109
199496105
19937179
19927076
19916771
19907683
198988100
19888692
19877078
198689101
19858899
198495106
198389103
1982113127
1981103121
198096102
197996107

When crashes happen on the A4200

Wednesday has the most collisions on the A4200 (566), and 3pm to 6pm is the busiest time of day (640).

Collisions by day of the week

  • Monday457 (14%)
  • Tuesday490 (15%)
  • Wednesday566 (18%)
  • Thursday547 (17%)
  • Friday560 (17%)
  • Saturday345 (11%)
  • Sunday250 (7.8%)

Collisions by time of day

  • Midnight to 3am170 (5.3%)
  • 3am to 6am79 (2.5%)
  • 6am to 9am316 (9.8%)
  • 9am to noon582 (18%)
  • Noon to 3pm593 (18%)
  • 3pm to 6pm640 (20%)
  • 6pm to 9pm497 (15%)
  • 9pm to midnight338 (11%)

Collisions by month

  • January272 (8.5%)
  • February267 (8.3%)
  • March269 (8.4%)
  • April245 (7.6%)
  • May303 (9.4%)
  • June240 (7.5%)
  • July258 (8%)
  • August233 (7.2%)
  • September268 (8.3%)
  • October319 (9.9%)
  • November269 (8.4%)
  • December272 (8.5%)

Light conditions at the time

  • Daylight2,212 (69%)
  • Dark, street lights lit958 (30%)
  • Dark, lighting unknown35 (1.1%)
  • Dark, street lights unlit7 (0.2%)
  • Dark, no street lighting3 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4200 crashes

On the A4200, 91% of collisions happened where the speed limit was 30 mph and 78% on a dry road surface.

Speed limit at the scene

  • 20 mph271 (8.4%)
  • 30 mph2,924 (91%)
  • 40 mph18 (0.6%)
  • 60 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds2,408 (75%)
  • Raining, no high winds386 (12%)
  • Fine with high winds22 (0.7%)
  • Snowing, no high winds13 (0.4%)
  • Other298 (9.3%)
  • Not recorded88 (2.7%)

Road surface

  • Dry2,511 (78%)
  • Wet or damp671 (21%)
  • Frost or ice12 (0.4%)
  • Snow8 (0.2%)
  • Oil or diesel3 (0.1%)
  • Not recorded10 (0.3%)

Type of road

  • Single carriageway2,242 (70%)
  • Dual carriageway418 (13%)
  • One way street or slip road373 (12%)
  • Roundabout8 (0.2%)
  • Not recorded174 (5.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4200 crashes

Pedestrians make up 33% of the people killed or injured on the A4200, followed by motorcyclists (20%).

Casualties by road user

  • Pedestrian1,183 (33%)
  • Motorcyclist738 (20%)
  • Car occupant603 (17%)
  • Cyclist583 (16%)
  • Bus or coach occupant309 (8.6%)
  • Taxi or private hire car occupant126 (3.5%)
  • Other61 (1.7%)
  • Not recorded2 (0.1%)

Vehicles involved

  • Car2,196 (43%)
  • Motorcycle923 (18%)
  • Pedal cycle615 (12%)
  • Bus or coach419 (8.3%)
  • Taxi or private hire car398 (7.9%)
  • Van or goods vehicle up to 3.5 tonnes369 (7.3%)
  • Goods vehicle over 3.5 tonnes93 (1.8%)
  • Other55 (1.1%)

Casualties by age

  • 0 to 513 (0.4%)
  • 6 to 1047 (1.3%)
  • 11 to 1550 (1.4%)
  • 16 to 20298 (8.3%)
  • 21 to 25549 (15%)
  • 26 to 35974 (27%)
  • 36 to 45570 (16%)
  • 46 to 55386 (11%)
  • 56 to 65230 (6.4%)
  • 66 to 75101 (2.8%)
  • Over 7561 (1.7%)
  • Not recorded326 (9%)

Drivers, passengers and pedestrians

  • Driver or rider1,786 (50%)
  • Pedestrian1,183 (33%)
  • Passenger636 (18%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4200

Map of the 25 most recent crashes on the A4200

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

  • 25 crashes
  • Serious
  • Slight

A4200 crashes by council area

Collisions on the A4200 were recorded in 4 council areas. Camden has the most, with 3,111, followed by Westminster (98) and Bristol (3).

Collisions on the A4200 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCamden3,1113,49119447
2ndWestminster98107011
3rdBristol3301
4thSouth Gloucestershire3401

A4200 crashes by town

Collisions on the A4200 were recorded in 2 towns and built-up areas, led by Camden (2,822) and City of Westminster (83).

Recent crashes on the A4200

These are the 25 most recent collisions on the A4200, from 2 February to 28 November 2025.

Severity