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CrashStats

B251 accidents: crash map and statistics

Police recorded 783 collisions on the B251 from 1979 to 2025, with 1,023 casualties. Of those crashes, 1 was fatal and 136 serious, and 1 person was killed.

In 2025 there were 7 collisions on the B251, up 17% from 6 in 2024, with 9 casualties.

Collisions since 1979
783
1,368th highest of 4,923 roads
Casualties
1,023
1.31 per collision
Fatal collisions
1
1 person killed
Serious collisions
136
150 seriously injured
Collisions in 2025
7
Up 17% on 2024
Casualties in 2025
9
Up 13% on 2024

Crash severity on the B251

On the B251, 0.1% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal10.1%
  • Serious13617%
  • Slight64683%

Where the B251 ranks among 4,923 roads

Most collisions
1,368th
Most casualties
1,418th
Most fatal collisions
3,933rd
Most serious collisions
1,480th

B251 accidents by year

Collisions on the B251 peaked at 32 in 1980 and were down to 7 in 2025.

Collisions and casualties on the B251, 1979 to 2025

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202579
202468
20231319
2022813
202188
20201012
20191119
20181117
20171215
20161822
20151516
20141012
20131315
20121517
20111618
201056
20091018
20081418
2007915
20061726
20051723
20041215
20031724
20022229
20012225
20001823
19991522
19981719
19971114
19962225
19951621
19941722
19932332
19922025
19911826
19902329
19891719
19881419
19871620
19862935
19852731
19842536
19833039
19822434
19812743
19803241
19792429

When crashes happen on the B251

Thursday has the most collisions on the B251 (131), and 3pm to 6pm is the busiest time of day (175).

Collisions by day of the week

  • Monday128 (16%)
  • Tuesday121 (15%)
  • Wednesday91 (12%)
  • Thursday131 (17%)
  • Friday122 (16%)
  • Saturday111 (14%)
  • Sunday79 (10%)

Collisions by time of day

  • Midnight to 3am27 (3.4%)
  • 3am to 6am15 (1.9%)
  • 6am to 9am119 (15%)
  • 9am to noon112 (14%)
  • Noon to 3pm124 (16%)
  • 3pm to 6pm175 (22%)
  • 6pm to 9pm131 (17%)
  • 9pm to midnight80 (10%)

Collisions by month

  • January79 (10%)
  • February55 (7%)
  • March69 (8.8%)
  • April61 (7.8%)
  • May87 (11%)
  • June64 (8.2%)
  • July53 (6.8%)
  • August47 (6%)
  • September58 (7.4%)
  • October82 (10%)
  • November77 (9.8%)
  • December51 (6.5%)

Light conditions at the time

  • Daylight565 (72%)
  • Dark, street lights lit206 (26%)
  • Dark, street lights unlit7 (0.9%)
  • Dark, lighting unknown5 (0.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B251 crashes

On the B251, 99% of collisions happened where the speed limit was 30 mph and 74% on a dry road surface.

Speed limit at the scene

  • 20 mph3 (0.4%)
  • 30 mph778 (99%)
  • 40 mph2 (0.3%)

Weather at the time

  • Fine, no high winds586 (75%)
  • Raining, no high winds94 (12%)
  • Fine with high winds9 (1.1%)
  • Snowing, no high winds4 (0.5%)
  • Other83 (11%)
  • Not recorded7 (0.9%)

Road surface

  • Dry580 (74%)
  • Wet or damp184 (23%)
  • Frost or ice11 (1.4%)
  • Snow5 (0.6%)
  • Oil or diesel1 (0.1%)
  • Not recorded2 (0.3%)

Type of road

  • Single carriageway679 (87%)
  • Roundabout29 (3.7%)
  • Dual carriageway18 (2.3%)
  • One way street or slip road4 (0.5%)
  • Not recorded53 (6.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B251 crashes

Car occupants make up 63% of the people killed or injured on the B251, followed by motorcyclists (15%).

Casualties by road user

  • Car occupant647 (63%)
  • Motorcyclist154 (15%)
  • Cyclist86 (8.4%)
  • Pedestrian78 (7.6%)
  • Bus or coach occupant36 (3.5%)
  • Van occupant16 (1.6%)
  • Other vehicle occupant3 (0.3%)
  • Other3 (0.3%)

Vehicles involved

  • Car1,055 (75%)
  • Motorcycle156 (11%)
  • Pedal cycle89 (6.4%)
  • Van or goods vehicle up to 3.5 tonnes51 (3.6%)
  • Bus or coach30 (2.1%)
  • Goods vehicle over 3.5 tonnes6 (0.4%)
  • Other vehicle6 (0.4%)
  • Other8 (0.6%)

Casualties by age

  • 0 to 511 (1.1%)
  • 6 to 1031 (3%)
  • 11 to 1549 (4.8%)
  • 16 to 20201 (20%)
  • 21 to 25110 (11%)
  • 26 to 35156 (15%)
  • 36 to 45144 (14%)
  • 46 to 5597 (9.5%)
  • 56 to 6565 (6.4%)
  • 66 to 7560 (5.9%)
  • Over 7538 (3.7%)
  • Not recorded61 (6%)

Drivers, passengers and pedestrians

  • Driver or rider705 (69%)
  • Passenger240 (23%)
  • Pedestrian78 (7.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B251

Map of the 25 most recent crashes on the B251

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

  • 25 crashes
  • Serious
  • Slight

B251 crashes by council area

Collisions on the B251 were recorded in 2 council areas. Bromley has the most, with 780, followed by Camden (3).

Collisions on the B251 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stBromley7801,0201136
2ndCamden3300

B251 crashes by town

Collisions on the B251 were recorded in 2 towns and built-up areas, led by Bromley (695) and Camden (3).

Recent crashes on the B251

These are the 25 most recent collisions on the B251, from 10 January 2023 to 27 November 2025.

Severity