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CrashStats

B461 accidents: crash map and statistics

Police recorded 487 collisions on the B461 from 1979 to 2025, with 588 casualties. Of those crashes, 7 were fatal and 80 serious, and 7 people were killed.

In 2025 there were 2 collisions on the B461, down 67% from 6 in 2024, with 3 casualties.

Collisions since 1979
487
2,010th highest of 4,923 roads
Casualties
588
1.21 per collision
Fatal collisions
7
7 people killed
Serious collisions
80
87 seriously injured
Collisions in 2025
2
Down 67% on 2024
Casualties in 2025
3
Down 50% on 2024

Crash severity on the B461

On the B461, 1.4% of collisions were fatal and 16% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal71.4%
  • Serious8016%
  • Slight40082%

Where the B461 ranks among 4,923 roads

Most collisions
2,010th
Most casualties
2,176th
Most fatal collisions
2,103rd
Most serious collisions
2,279th

B461 accidents by year

Collisions on the B461 peaked at 22 in 1980 and were down to 2 in 2025.

Collisions and casualties on the B461, 1979 to 2025

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202523
202466
20231010
20221012
202133
202066
201988
201844
20171013
2016910
20151216
201478
201389
201233
2011914
2010811
200999
20081215
200733
2006911
200588
20041526
20031314
200257
200123
200046
19991315
19981516
1997911
19961317
19951315
19941315
19931313
1992914
19911517
19901621
198957
19881820
19871619
19861113
19851418
19841519
19831213
19821616
19811720
19802229
19791722

When crashes happen on the B461

Thursday has the most collisions on the B461 (85), and 3pm to 6pm is the busiest time of day (121).

Collisions by day of the week

  • Monday75 (15%)
  • Tuesday74 (15%)
  • Wednesday65 (13%)
  • Thursday85 (17%)
  • Friday84 (17%)
  • Saturday60 (12%)
  • Sunday44 (9%)

Collisions by time of day

  • Midnight to 3am27 (5.5%)
  • 3am to 6am3 (0.6%)
  • 6am to 9am64 (13%)
  • 9am to noon57 (12%)
  • Noon to 3pm74 (15%)
  • 3pm to 6pm121 (25%)
  • 6pm to 9pm92 (19%)
  • 9pm to midnight49 (10%)

Collisions by month

  • January50 (10%)
  • February32 (6.6%)
  • March49 (10%)
  • April41 (8.4%)
  • May44 (9%)
  • June33 (6.8%)
  • July43 (8.8%)
  • August35 (7.2%)
  • September38 (7.8%)
  • October39 (8%)
  • November43 (8.8%)
  • December40 (8.2%)

Light conditions at the time

  • Daylight320 (66%)
  • Dark, street lights lit160 (33%)
  • Dark, lighting unknown4 (0.8%)
  • Dark, street lights unlit3 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B461 crashes

On the B461, 99% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (0.4%)
  • 30 mph482 (99%)
  • 40 mph3 (0.6%)

Weather at the time

  • Fine, no high winds353 (72%)
  • Raining, no high winds63 (13%)
  • Fine with high winds3 (0.6%)
  • Snowing, no high winds2 (0.4%)
  • Other57 (12%)
  • Not recorded9 (1.8%)

Road surface

  • Dry361 (74%)
  • Wet or damp116 (24%)
  • Frost or ice4 (0.8%)
  • Snow4 (0.8%)
  • Not recorded2 (0.4%)

Type of road

  • Single carriageway407 (84%)
  • Dual carriageway17 (3.5%)
  • One way street or slip road5 (1%)
  • Not recorded58 (12%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B461 crashes

Car occupants make up 48% of the people killed or injured on the B461, followed by pedestrians (25%).

Casualties by road user

  • Car occupant282 (48%)
  • Pedestrian148 (25%)
  • Motorcyclist65 (11%)
  • Bus or coach occupant35 (6%)
  • Cyclist31 (5.3%)
  • Van occupant18 (3.1%)
  • Other8 (1.4%)
  • Not recorded1 (0.2%)

Vehicles involved

  • Car626 (75%)
  • Motorcycle71 (8.5%)
  • Van or goods vehicle up to 3.5 tonnes53 (6.3%)
  • Bus or coach43 (5.1%)
  • Pedal cycle31 (3.7%)
  • Taxi or private hire car5 (0.6%)
  • Other vehicle4 (0.5%)
  • Other6 (0.7%)

Casualties by age

  • 0 to 58 (1.4%)
  • 6 to 1012 (2%)
  • 11 to 1531 (5.3%)
  • 16 to 2094 (16%)
  • 21 to 2571 (12%)
  • 26 to 3595 (16%)
  • 36 to 4590 (15%)
  • 46 to 5554 (9.2%)
  • 56 to 6533 (5.6%)
  • 66 to 7517 (2.9%)
  • Over 7535 (6%)
  • Not recorded48 (8.2%)

Drivers, passengers and pedestrians

  • Driver or rider315 (54%)
  • Pedestrian148 (25%)
  • Passenger125 (21%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B461

Map of the 25 most recent crashes on the B461

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

  • 25 crashes
  • Serious
  • Slight

B461 crashes by council area

Collisions on the B461 were recorded in 2 council areas. Harrow has the most, with 466, followed by Barnet (21).

Collisions on the B461 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stHarrow466561676
2ndBarnet212714

B461 crashes by town

Collisions on the B461 were recorded in 2 towns and built-up areas, led by Harrow (413) and Barnet (18).

Recent crashes on the B461

These are the 25 most recent collisions on the B461, from 26 March 2022 to 3 September 2025.

Severity