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CrashStats

A4005 accidents: crash map and statistics

Police recorded 2,291 collisions on the A4005 from 1979 to 2025, with 2,845 casualties. Of those crashes, 15 were fatal and 321 serious, and 17 people were killed.

In 2025 there were 24 collisions on the A4005, down 23% from 31 in 2024, with 24 casualties.

Collisions since 1979
2,291
510th highest of 4,923 roads
Casualties
2,845
1.24 per collision
Fatal collisions
15
17 people killed
Serious collisions
321
360 seriously injured
Collisions in 2025
24
Down 23% on 2024
Casualties in 2025
24
Down 33% on 2024

Crash severity on the A4005

On the A4005, 0.7% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal150.7%
  • Serious32114%
  • Slight1,95585%

Where the A4005 ranks among 4,923 roads

Most collisions
510th
Most casualties
555th
Most fatal collisions
1,258th
Most serious collisions
666th

A4005 accidents by year

Collisions on the A4005 peaked at 101 in 1982 and were down to 24 in 2025.

Collisions and casualties on the A4005, 1979 to 2025

  • Collisions
  • Collisions in 2025: 24
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252424
20243136
20233136
20222021
20212940
20201920
20192735
20184152
20173547
20163035
20154247
20143242
20133240
20124355
20115560
20103137
20092026
20083137
20073847
20063441
20054252
20043543
20033339
20025375
20016079
20004157
19995162
19985671
19975462
19966178
19956687
19945461
19935265
19924359
19914554
19907692
19896475
19886984
19875968
19866988
19856291
198492115
19837080
1982101125
198184108
19807999
19797598

When crashes happen on the A4005

Tuesday has the most collisions on the A4005 (354), and 3pm to 6pm is the busiest time of day (476).

Collisions by day of the week

  • Monday308 (13%)
  • Tuesday354 (15%)
  • Wednesday331 (14%)
  • Thursday337 (15%)
  • Friday352 (15%)
  • Saturday331 (14%)
  • Sunday278 (12%)

Collisions by time of day

  • Midnight to 3am84 (3.7%)
  • 3am to 6am45 (2%)
  • 6am to 9am357 (16%)
  • 9am to noon299 (13%)
  • Noon to 3pm363 (16%)
  • 3pm to 6pm476 (21%)
  • 6pm to 9pm397 (17%)
  • 9pm to midnight270 (12%)

Collisions by month

  • January178 (7.8%)
  • February154 (6.7%)
  • March193 (8.4%)
  • April185 (8.1%)
  • May202 (8.8%)
  • June183 (8%)
  • July192 (8.4%)
  • August168 (7.3%)
  • September219 (9.6%)
  • October215 (9.4%)
  • November203 (8.9%)
  • December199 (8.7%)

Light conditions at the time

  • Daylight1,566 (68%)
  • Dark, street lights lit693 (30%)
  • Dark, lighting unknown19 (0.8%)
  • Dark, street lights unlit10 (0.4%)
  • Dark, no street lighting3 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4005 crashes

On the A4005, 86% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph36 (1.6%)
  • 30 mph1,963 (86%)
  • 40 mph285 (12%)
  • 50 mph2 (0.1%)
  • 60 mph3 (0.1%)
  • 70 mph1 (under 0.1%)
  • Not recorded1 (under 0.1%)

Weather at the time

  • Fine, no high winds1,718 (75%)
  • Raining, no high winds286 (12%)
  • Fine with high winds13 (0.6%)
  • Raining with high winds11 (0.5%)
  • Other237 (10%)
  • Not recorded26 (1.1%)

Road surface

  • Dry1,703 (74%)
  • Wet or damp538 (23%)
  • Frost or ice28 (1.2%)
  • Snow9 (0.4%)
  • Not recorded13 (0.6%)

Type of road

  • Single carriageway1,624 (71%)
  • Dual carriageway335 (15%)
  • Roundabout124 (5.4%)
  • One way street or slip road90 (3.9%)
  • Not recorded118 (5.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4005 crashes

Car occupants make up 58% of the people killed or injured on the A4005, followed by motorcyclists (16%).

Casualties by road user

  • Car occupant1,647 (58%)
  • Motorcyclist451 (16%)
  • Pedestrian381 (13%)
  • Cyclist158 (5.6%)
  • Bus or coach occupant98 (3.4%)
  • Van occupant59 (2.1%)
  • Other47 (1.7%)
  • Not recorded4 (0.1%)

Vehicles involved

  • Car3,139 (74%)
  • Motorcycle467 (11%)
  • Van or goods vehicle up to 3.5 tonnes229 (5.4%)
  • Pedal cycle161 (3.8%)
  • Bus or coach143 (3.4%)
  • Goods vehicle over 3.5 tonnes64 (1.5%)
  • Taxi or private hire car33 (0.8%)
  • Other24 (0.6%)

Casualties by age

  • 0 to 529 (1%)
  • 6 to 1068 (2.4%)
  • 11 to 1579 (2.8%)
  • 16 to 20295 (10%)
  • 21 to 25459 (16%)
  • 26 to 35685 (24%)
  • 36 to 45407 (14%)
  • 46 to 55298 (10%)
  • 56 to 65176 (6.2%)
  • 66 to 75100 (3.5%)
  • Over 7557 (2%)
  • Not recorded192 (6.7%)

Drivers, passengers and pedestrians

  • Driver or rider1,772 (62%)
  • Passenger692 (24%)
  • Pedestrian381 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4005

Map of the 25 most recent crashes on the A4005

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

  • 25 crashes
  • Serious
  • Slight

A4005 crashes by council area

Collisions on the A4005 were recorded in 3 council areas. Brent has the most, with 1,565, followed by Harrow (433) and Ealing (292).

Collisions on the A4005 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrent1,5651,9349220
2ndHarrow433546362
3rdEaling292363339

A4005 crashes by town

Collisions on the A4005 were recorded in 3 towns and built-up areas, led by Brent (1,162) and Ealing (354).

Recent crashes on the A4005

These are the 25 most recent collisions on the A4005, from 18 December 2024 to 4 December 2025.

Severity