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CrashStats

A4007 accidents: crash map and statistics

Police recorded 414 collisions on the A4007 from 1979 to 2025, with 521 casualties. Of those crashes, 8 were fatal and 68 serious, and 8 people were killed.

In 2025 there were 5 collisions on the A4007, up 400% from 1 in 2024, with 5 casualties.

Collisions since 1979
414
2,248th highest of 4,923 roads
Casualties
521
1.26 per collision
Fatal collisions
8
8 people killed
Serious collisions
68
76 seriously injured
Collisions in 2025
5
Up 400% on 2024
Casualties in 2025
5
Up 400% on 2024

Crash severity on the A4007

On the A4007, 1.9% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal81.9%
  • Serious6816%
  • Slight33882%

Where the A4007 ranks among 4,923 roads

Most collisions
2,248th
Most casualties
2,353rd
Most fatal collisions
1,937th
Most serious collisions
2,523rd

A4007 accidents by year

Collisions on the A4007 peaked at 22 in 1984 and were down to 5 in 2025.

Collisions and casualties on the A4007, 1979 to 2025

  • Collisions
  • Collisions in 2025: 5
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202555
202411
202346
202255
202122
202055
201911
201833
201723
201666
201568
201457
201367
20121012
201156
201033
2009811
200844
20071016
200634
200533
20041010
20031216
20021011
2001810
20001011
199966
19981418
19971013
199667
199599
19941113
19931522
19921011
199178
19901618
19891723
19881924
19871521
19861015
19851315
19842230
19832023
19821518
19811221
1980910
19791120

When crashes happen on the A4007

Friday has the most collisions on the A4007 (75), and 3pm to 6pm is the busiest time of day (93).

Collisions by day of the week

  • Monday63 (15%)
  • Tuesday65 (16%)
  • Wednesday55 (13%)
  • Thursday59 (14%)
  • Friday75 (18%)
  • Saturday50 (12%)
  • Sunday47 (11%)

Collisions by time of day

  • Midnight to 3am26 (6.3%)
  • 3am to 6am8 (1.9%)
  • 6am to 9am53 (13%)
  • 9am to noon59 (14%)
  • Noon to 3pm71 (17%)
  • 3pm to 6pm93 (22%)
  • 6pm to 9pm62 (15%)
  • 9pm to midnight42 (10%)

Collisions by month

  • January32 (7.7%)
  • February28 (6.8%)
  • March35 (8.5%)
  • April37 (8.9%)
  • May35 (8.5%)
  • June28 (6.8%)
  • July35 (8.5%)
  • August38 (9.2%)
  • September28 (6.8%)
  • October45 (11%)
  • November41 (9.9%)
  • December32 (7.7%)

Light conditions at the time

  • Daylight293 (71%)
  • Dark, street lights lit100 (24%)
  • Dark, no street lighting15 (3.6%)
  • Dark, lighting unknown5 (1.2%)
  • Not recorded1 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4007 crashes

On the A4007, 77% of collisions happened where the speed limit was 30 mph and 69% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.2%)
  • 30 mph317 (77%)
  • 40 mph26 (6.3%)
  • 50 mph1 (0.2%)
  • 60 mph69 (17%)

Weather at the time

  • Fine, no high winds320 (77%)
  • Raining, no high winds56 (14%)
  • Fine with high winds6 (1.4%)
  • Raining with high winds1 (0.2%)
  • Other23 (5.6%)
  • Not recorded8 (1.9%)

Road surface

  • Dry287 (69%)
  • Wet or damp118 (29%)
  • Frost or ice3 (0.7%)
  • Snow2 (0.5%)
  • Not recorded4 (1%)

Type of road

  • Single carriageway334 (81%)
  • Roundabout56 (14%)
  • Dual carriageway13 (3.1%)
  • One way street or slip road4 (1%)
  • Not recorded7 (1.7%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4007 crashes

Car occupants make up 60% of the people killed or injured on the A4007, followed by pedestrians (15%).

Casualties by road user

  • Car occupant311 (60%)
  • Pedestrian78 (15%)
  • Motorcyclist60 (12%)
  • Cyclist33 (6.3%)
  • Van occupant25 (4.8%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (1.2%)
  • Bus or coach occupant5 (1%)
  • Other3 (0.6%)

Vehicles involved

  • Car566 (75%)
  • Motorcycle64 (8.5%)
  • Van or goods vehicle up to 3.5 tonnes44 (5.8%)
  • Pedal cycle33 (4.4%)
  • Goods vehicle over 3.5 tonnes27 (3.6%)
  • Bus or coach11 (1.5%)
  • Other8 (1.1%)
  • Not recorded1 (0.1%)

Casualties by age

  • 0 to 57 (1.3%)
  • 6 to 1014 (2.7%)
  • 11 to 1529 (5.6%)
  • 16 to 2095 (18%)
  • 21 to 2595 (18%)
  • 26 to 35106 (20%)
  • 36 to 4551 (9.8%)
  • 46 to 5548 (9.2%)
  • 56 to 6523 (4.4%)
  • 66 to 7519 (3.6%)
  • Over 7516 (3.1%)
  • Not recorded18 (3.5%)

Drivers, passengers and pedestrians

  • Driver or rider314 (60%)
  • Passenger129 (25%)
  • Pedestrian78 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4007

Map of the 25 most recent crashes on the A4007

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

  • 25 crashes
  • Serious
  • Slight

A4007 crashes by council area

Collisions on the A4007 were recorded in 2 council areas. Hillingdon has the most, with 207, followed by Buckinghamshire (206).

Collisions on the A4007 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHillingdon207250232
2ndBuckinghamshire206270636

A4007 crashes by town

Collisions on the A4007 were recorded in 2 towns and built-up areas, led by Hillingdon (161) and Iver Heath (130).

Recent crashes on the A4007

These are the 25 most recent collisions on the A4007, from 4 June 2018 to 19 December 2025.

Severity