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CrashStats

A4180 accidents: crash map and statistics

Police recorded 1,462 collisions on the A4180 from 1980 to 2025, with 1,839 casualties. Of those crashes, 12 were fatal and 202 serious, and 12 people were killed.

In 2025 there were 24 collisions on the A4180, down 25% from 32 in 2024, with 32 casualties.

Collisions since 1980
1,462
756th highest of 4,923 roads
Casualties
1,839
1.26 per collision
Fatal collisions
12
12 people killed
Serious collisions
202
228 seriously injured
Collisions in 2025
24
Down 25% on 2024
Casualties in 2025
32
Down 14% on 2024

Crash severity on the A4180

On the A4180, 0.8% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1980 to 2025

  • Fatal120.8%
  • Serious20214%
  • Slight1,24885%

Where the A4180 ranks among 4,923 roads

Most collisions
756th
Most casualties
813th
Most fatal collisions
1,505th
Most serious collisions
1,038th

A4180 accidents by year

Collisions on the A4180 peaked at 83 in 1995 and were down to 24 in 2025.

Collisions and casualties on the A4180, 1980 to 2025

  • Collisions
  • Collisions in 2025: 24
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252432
20243237
20231315
20222327
20212228
20202328
20192026
20182429
20173133
20162430
20152836
20143043
20132633
20123235
20113639
20104552
20093244
20083239
20073038
20063440
20054452
20044458
20034866
20025677
20015879
20005169
19995571
19985366
19975668
19966066
199583112
19946279
19936685
19925262
19915569
199044
198900
198800
198700
198600
198500
198400
198300
19825166
198111
198025

When crashes happen on the A4180

Friday has the most collisions on the A4180 (250), and 3pm to 6pm is the busiest time of day (317).

Collisions by day of the week

  • Monday189 (13%)
  • Tuesday229 (16%)
  • Wednesday219 (15%)
  • Thursday229 (16%)
  • Friday250 (17%)
  • Saturday190 (13%)
  • Sunday156 (11%)

Collisions by time of day

  • Midnight to 3am47 (3.2%)
  • 3am to 6am19 (1.3%)
  • 6am to 9am212 (15%)
  • 9am to noon215 (15%)
  • Noon to 3pm272 (19%)
  • 3pm to 6pm317 (22%)
  • 6pm to 9pm236 (16%)
  • 9pm to midnight144 (9.8%)

Collisions by month

  • January120 (8.2%)
  • February99 (6.8%)
  • March105 (7.2%)
  • April97 (6.6%)
  • May110 (7.5%)
  • June121 (8.3%)
  • July131 (9%)
  • August105 (7.2%)
  • September145 (9.9%)
  • October158 (11%)
  • November126 (8.6%)
  • December145 (9.9%)

Light conditions at the time

  • Daylight1,026 (70%)
  • Dark, street lights lit407 (28%)
  • Dark, lighting unknown15 (1%)
  • Dark, street lights unlit9 (0.6%)
  • Dark, no street lighting5 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4180 crashes

On the A4180, 88% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph10 (0.7%)
  • 30 mph1,283 (88%)
  • 40 mph141 (9.6%)
  • 50 mph5 (0.3%)
  • 60 mph21 (1.4%)
  • 70 mph2 (0.1%)

Weather at the time

  • Fine, no high winds1,208 (83%)
  • Raining, no high winds195 (13%)
  • Raining with high winds6 (0.4%)
  • Fine with high winds5 (0.3%)
  • Other27 (1.8%)
  • Not recorded21 (1.4%)

Road surface

  • Dry1,079 (74%)
  • Wet or damp352 (24%)
  • Frost or ice16 (1.1%)
  • Snow3 (0.2%)
  • Other3 (0.2%)
  • Not recorded9 (0.6%)

Type of road

  • Single carriageway1,162 (79%)
  • Roundabout147 (10%)
  • Dual carriageway133 (9.1%)
  • One way street or slip road9 (0.6%)
  • Not recorded11 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4180 crashes

Car occupants make up 64% of the people killed or injured on the A4180, followed by pedestrians (13%).

Casualties by road user

  • Car occupant1,171 (64%)
  • Pedestrian241 (13%)
  • Motorcyclist239 (13%)
  • Cyclist103 (5.6%)
  • Bus or coach occupant33 (1.8%)
  • Van occupant27 (1.5%)
  • Taxi or private hire car occupant11 (0.6%)
  • Other14 (0.8%)

Vehicles involved

  • Car2,113 (78%)
  • Motorcycle251 (9.3%)
  • Van or goods vehicle up to 3.5 tonnes120 (4.5%)
  • Pedal cycle106 (3.9%)
  • Bus or coach32 (1.2%)
  • Goods vehicle over 3.5 tonnes32 (1.2%)
  • Other vehicle18 (0.7%)
  • Other24 (0.9%)

Casualties by age

  • 0 to 533 (1.8%)
  • 6 to 1035 (1.9%)
  • 11 to 1569 (3.8%)
  • 16 to 20230 (13%)
  • 21 to 25234 (13%)
  • 26 to 35413 (22%)
  • 36 to 45269 (15%)
  • 46 to 55185 (10%)
  • 56 to 65127 (6.9%)
  • 66 to 7563 (3.4%)
  • Over 7575 (4.1%)
  • Not recorded106 (5.8%)

Drivers, passengers and pedestrians

  • Driver or rider1,187 (65%)
  • Passenger411 (22%)
  • Pedestrian241 (13%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4180

Map of the 25 most recent crashes on the A4180

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

  • 25 crashes
  • Serious
  • Slight

A4180 crashes by council area

Collisions on the A4180 were recorded in 2 council areas. Hillingdon has the most, with 1,457, followed by Ealing (4).

Collisions on the A4180 in each area, 1980 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHillingdon1,4571,83412201
2ndEaling4401

A4180 crashes by town

Of the 1,462 collisions on the A4180, 1,107 were in the built-up area of Hillingdon.

Recent crashes on the A4180

These are the 25 most recent collisions on the A4180, from 21 December 2024 to 23 December 2025.

Severity