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CrashStats

B454 accidents: crash map and statistics

Police recorded 1,245 collisions on the B454 from 1979 to 2025, with 1,580 casualties. Of those crashes, 13 were fatal and 175 serious, and 14 people were killed.

In 2025 there were 13 collisions on the B454, down 32% from 19 in 2024, with 15 casualties.

Collisions since 1979
1,245
885th highest of 4,923 roads
Casualties
1,580
1.27 per collision
Fatal collisions
13
14 people killed
Serious collisions
175
198 seriously injured
Collisions in 2025
13
Down 32% on 2024
Casualties in 2025
15
Down 35% on 2024

Crash severity on the B454

On the B454, 1% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal131%
  • Serious17514%
  • Slight1,05785%

Where the B454 ranks among 4,923 roads

Most collisions
885th
Most casualties
938th
Most fatal collisions
1,413th
Most serious collisions
1,187th

B454 accidents by year

Collisions on the B454 peaked at 55 in 1996 and were down to 13 in 2025.

Collisions and casualties on the B454, 1979 to 2025

  • Collisions
  • Collisions in 2025: 13
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251315
20241923
20231519
20222434
20212125
20201518
20191517
20182328
20172127
20162434
20152729
20142131
20132127
20121218
20111619
20102530
20091518
20082230
20071320
20062729
20052231
20041724
20033241
20022733
20012936
20003848
19994452
19983648
19974357
19965568
19954154
19944149
19933037
19922731
19913041
19902833
19892635
19883438
19873235
19863441
19852637
19842731
19832232
19822941
19812736
19803448
19792532

When crashes happen on the B454

Monday has the most collisions on the B454 (194), and 3pm to 6pm is the busiest time of day (247).

Collisions by day of the week

  • Monday194 (16%)
  • Tuesday188 (15%)
  • Wednesday189 (15%)
  • Thursday189 (15%)
  • Friday182 (15%)
  • Saturday161 (13%)
  • Sunday142 (11%)

Collisions by time of day

  • Midnight to 3am52 (4.2%)
  • 3am to 6am21 (1.7%)
  • 6am to 9am188 (15%)
  • 9am to noon177 (14%)
  • Noon to 3pm184 (15%)
  • 3pm to 6pm247 (20%)
  • 6pm to 9pm232 (19%)
  • 9pm to midnight144 (12%)

Collisions by month

  • January98 (7.9%)
  • February101 (8.1%)
  • March93 (7.5%)
  • April99 (8%)
  • May95 (7.6%)
  • June98 (7.9%)
  • July102 (8.2%)
  • August98 (7.9%)
  • September108 (8.7%)
  • October105 (8.4%)
  • November123 (9.9%)
  • December125 (10%)

Light conditions at the time

  • Daylight815 (65%)
  • Dark, street lights lit409 (33%)
  • Dark, lighting unknown11 (0.9%)
  • Dark, street lights unlit7 (0.6%)
  • Dark, no street lighting3 (0.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B454 crashes

On the B454, 90% of collisions happened where the speed limit was 30 mph and 68% on a dry road surface.

Speed limit at the scene

  • 20 mph43 (3.5%)
  • 30 mph1,120 (90%)
  • 40 mph36 (2.9%)
  • 50 mph6 (0.5%)
  • 60 mph38 (3.1%)
  • 70 mph2 (0.2%)

Weather at the time

  • Fine, no high winds920 (74%)
  • Raining, no high winds194 (16%)
  • Raining with high winds9 (0.7%)
  • Snowing, no high winds6 (0.5%)
  • Other95 (7.6%)
  • Not recorded21 (1.7%)

Road surface

  • Dry852 (68%)
  • Wet or damp364 (29%)
  • Frost or ice15 (1.2%)
  • Snow10 (0.8%)
  • Not recorded4 (0.3%)

Type of road

  • Single carriageway1,048 (84%)
  • Dual carriageway53 (4.3%)
  • Roundabout52 (4.2%)
  • One way street or slip road14 (1.1%)
  • Not recorded78 (6.3%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B454 crashes

Car occupants make up 60% of the people killed or injured on the B454, followed by pedestrians (16%).

Casualties by road user

  • Car occupant955 (60%)
  • Pedestrian256 (16%)
  • Motorcyclist182 (12%)
  • Cyclist95 (6%)
  • Van occupant37 (2.3%)
  • Bus or coach occupant29 (1.8%)
  • Taxi or private hire car occupant16 (1%)
  • Other10 (0.6%)

Vehicles involved

  • Car1,757 (78%)
  • Motorcycle183 (8.1%)
  • Van or goods vehicle up to 3.5 tonnes117 (5.2%)
  • Pedal cycle96 (4.3%)
  • Bus or coach38 (1.7%)
  • Goods vehicle over 3.5 tonnes23 (1%)
  • Taxi or private hire car23 (1%)
  • Other21 (0.9%)

Casualties by age

  • 0 to 529 (1.8%)
  • 6 to 1064 (4.1%)
  • 11 to 1555 (3.5%)
  • 16 to 20199 (13%)
  • 21 to 25228 (14%)
  • 26 to 35385 (24%)
  • 36 to 45205 (13%)
  • 46 to 55148 (9.4%)
  • 56 to 6588 (5.6%)
  • 66 to 7557 (3.6%)
  • Over 7541 (2.6%)
  • Not recorded81 (5.1%)

Drivers, passengers and pedestrians

  • Driver or rider956 (61%)
  • Passenger368 (23%)
  • Pedestrian256 (16%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B454

Map of the 25 most recent crashes on the B454

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

  • 25 crashes
  • Serious
  • Slight

B454 crashes by council area

Collisions on the B454 were recorded in 3 council areas. Brent has the most, with 640, followed by Hounslow (464) and Ealing (138).

Collisions on the B454 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrent640770792
2ndHounslow464596258
3rdEaling138211425

B454 crashes by town

Collisions on the B454 were recorded in 3 towns and built-up areas, led by Brent (585) and Hounslow (381).

Recent crashes on the B454

These are the 25 most recent collisions on the B454, from 26 May 2024 to 20 December 2025.

Severity