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CrashStats

B4492 accidents: crash map and statistics

Police recorded 774 collisions on the B4492 from 1979 to 2025, with 914 casualties. Of those crashes, 7 were fatal and 101 serious, and 7 people were killed.

In 2025 there were 15 collisions on the B4492, up 15% from 13 in 2024, with 16 casualties.

Collisions since 1979
774
1,381st highest of 4,923 roads
Casualties
914
1.18 per collision
Fatal collisions
7
7 people killed
Serious collisions
101
106 seriously injured
Collisions in 2025
15
Up 15% on 2024
Casualties in 2025
16
Up 7% on 2024

Crash severity on the B4492

On the B4492, 0.9% of collisions were fatal and 13% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal70.9%
  • Serious10113%
  • Slight66686%

Where the B4492 ranks among 4,923 roads

Most collisions
1,381st
Most casualties
1,535th
Most fatal collisions
2,103rd
Most serious collisions
1,898th

B4492 accidents by year

Collisions on the B4492 peaked at 28 in 1986 and were down to 15 in 2025.

Collisions and casualties on the B4492, 1979 to 2025

  • Collisions
  • Collisions in 2025: 15
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20251516
20241315
20232324
20221216
20211619
202099
201978
20181215
20171718
20161318
20151620
20141111
20131620
20121112
201189
201088
20091517
200889
2007810
20061016
20051618
20041419
20031922
20021215
20011823
20001723
19991921
19982124
19972122
19961315
19952327
19941824
19931824
19921823
19912124
19902627
19892627
19882632
19872021
19862834
19851819
19841617
19832223
19821623
19812225
19801931
19791921

When crashes happen on the B4492

Friday has the most collisions on the B4492 (137), and 3pm to 6pm is the busiest time of day (204).

Collisions by day of the week

  • Monday113 (15%)
  • Tuesday118 (15%)
  • Wednesday131 (17%)
  • Thursday127 (16%)
  • Friday137 (18%)
  • Saturday93 (12%)
  • Sunday55 (7.1%)

Collisions by time of day

  • Midnight to 3am27 (3.5%)
  • 3am to 6am19 (2.5%)
  • 6am to 9am102 (13%)
  • 9am to noon103 (13%)
  • Noon to 3pm146 (19%)
  • 3pm to 6pm204 (26%)
  • 6pm to 9pm112 (14%)
  • 9pm to midnight61 (7.9%)

Collisions by month

  • January55 (7.1%)
  • February58 (7.5%)
  • March62 (8%)
  • April64 (8.3%)
  • May48 (6.2%)
  • June87 (11%)
  • July71 (9.2%)
  • August60 (7.8%)
  • September72 (9.3%)
  • October63 (8.1%)
  • November71 (9.2%)
  • December63 (8.1%)

Light conditions at the time

  • Daylight551 (71%)
  • Dark, street lights lit211 (27%)
  • Dark, lighting unknown7 (0.9%)
  • Dark, no street lighting4 (0.5%)
  • Dark, street lights unlit1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4492 crashes

On the B4492, 93% of collisions happened where the speed limit was 30 mph and 76% on a dry road surface.

Speed limit at the scene

  • 20 mph55 (7.1%)
  • 30 mph717 (93%)
  • 40 mph1 (0.1%)
  • 50 mph1 (0.1%)

Weather at the time

  • Fine, no high winds599 (77%)
  • Raining, no high winds93 (12%)
  • Fine with high winds6 (0.8%)
  • Snowing, no high winds6 (0.8%)
  • Other60 (7.8%)
  • Not recorded10 (1.3%)

Road surface

  • Dry591 (76%)
  • Wet or damp169 (22%)
  • Frost or ice5 (0.6%)
  • Snow5 (0.6%)
  • Not recorded4 (0.5%)

Type of road

  • Single carriageway651 (84%)
  • Roundabout26 (3.4%)
  • Dual carriageway19 (2.5%)
  • One way street or slip road19 (2.5%)
  • Not recorded59 (7.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4492 crashes

Car occupants make up 42% of the people killed or injured on the B4492, followed by pedestrians (19%).

Casualties by road user

  • Car occupant382 (42%)
  • Pedestrian175 (19%)
  • Motorcyclist155 (17%)
  • Cyclist84 (9.2%)
  • Bus or coach occupant65 (7.1%)
  • Van occupant33 (3.6%)
  • Other19 (2.1%)
  • Not recorded1 (0.1%)

Vehicles involved

  • Car839 (62%)
  • Motorcycle171 (13%)
  • Van or goods vehicle up to 3.5 tonnes100 (7.4%)
  • Bus or coach91 (6.7%)
  • Pedal cycle84 (6.2%)
  • Goods vehicle over 3.5 tonnes46 (3.4%)
  • Taxi or private hire car12 (0.9%)
  • Other15 (1.1%)

Casualties by age

  • 0 to 520 (2.2%)
  • 6 to 1027 (3%)
  • 11 to 1527 (3%)
  • 16 to 2079 (8.6%)
  • 21 to 25137 (15%)
  • 26 to 35222 (24%)
  • 36 to 45153 (17%)
  • 46 to 55107 (12%)
  • 56 to 6550 (5.5%)
  • 66 to 7523 (2.5%)
  • Over 7519 (2.1%)
  • Not recorded50 (5.5%)

Drivers, passengers and pedestrians

  • Driver or rider538 (59%)
  • Passenger201 (22%)
  • Pedestrian175 (19%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4492

Map of the 25 most recent crashes on the B4492

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4492 crashes by council area

Collisions on the B4492 were recorded in 2 council areas. Brent has the most, with 408, followed by Ealing (366).

Collisions on the B4492 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBrent408486349
2ndEaling366428452

B4492 crashes by town

Collisions on the B4492 were recorded in 2 towns and built-up areas, led by Ealing (448) and Brent (254).

Recent crashes on the B4492

These are the 25 most recent collisions on the B4492, from 16 March 2024 to 30 December 2025.

Severity