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CrashStats

B221 accidents: crash map and statistics

Police recorded 1,612 collisions on the B221 from 1979 to 2025, with 1,854 casualties. Of those crashes, 15 were fatal and 228 serious, and 16 people were killed.

In 2025 there were 24 collisions on the B221, up 60% from 15 in 2024, with 24 casualties.

Collisions since 1979
1,612
703rd highest of 4,923 roads
Casualties
1,854
1.15 per collision
Fatal collisions
15
16 people killed
Serious collisions
228
249 seriously injured
Collisions in 2025
24
Up 60% on 2024
Casualties in 2025
24
Up 50% on 2024

Crash severity on the B221

On the B221, 0.9% of collisions were fatal and 14% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal150.9%
  • Serious22814%
  • Slight1,36985%

Where the B221 ranks among 4,923 roads

Most collisions
703rd
Most casualties
809th
Most fatal collisions
1,258th
Most serious collisions
939th

B221 accidents by year

Collisions on the B221 peaked at 63 in 1982 and were down to 24 in 2025.

Collisions and casualties on the B221, 1979 to 2025

  • Collisions
  • Collisions in 2025: 24
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252424
20241516
20232424
20222023
20213032
20201923
20191819
20182427
20172225
20162020
20151718
20142224
20132332
20121820
20111620
20101617
20092222
20082537
20072426
20062426
20052528
20043035
20033843
20022843
20014546
20003638
19994449
19985265
19974146
19963543
19955666
19943642
19935259
19924854
19914650
19904145
19894751
19884049
19875670
19865661
19854648
19845059
19834352
19826376
19815156
19804961
19793544

When crashes happen on the B221

Friday has the most collisions on the B221 (254), and 3pm to 6pm is the busiest time of day (306).

Collisions by day of the week

  • Monday246 (15%)
  • Tuesday244 (15%)
  • Wednesday236 (15%)
  • Thursday248 (15%)
  • Friday254 (16%)
  • Saturday215 (13%)
  • Sunday169 (10%)

Collisions by time of day

  • Midnight to 3am78 (4.8%)
  • 3am to 6am43 (2.7%)
  • 6am to 9am274 (17%)
  • 9am to noon238 (15%)
  • Noon to 3pm204 (13%)
  • 3pm to 6pm306 (19%)
  • 6pm to 9pm261 (16%)
  • 9pm to midnight208 (13%)

Collisions by month

  • January127 (7.9%)
  • February112 (6.9%)
  • March131 (8.1%)
  • April120 (7.4%)
  • May125 (7.8%)
  • June128 (7.9%)
  • July163 (10%)
  • August121 (7.5%)
  • September147 (9.1%)
  • October147 (9.1%)
  • November167 (10%)
  • December124 (7.7%)

Light conditions at the time

  • Daylight1,080 (67%)
  • Dark, street lights lit513 (32%)
  • Dark, lighting unknown15 (0.9%)
  • Dark, street lights unlit3 (0.2%)
  • Dark, no street lighting1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B221 crashes

On the B221, 93% of collisions happened where the speed limit was 30 mph and 73% on a dry road surface.

Speed limit at the scene

  • 20 mph116 (7.2%)
  • 30 mph1,494 (93%)
  • 40 mph2 (0.1%)

Weather at the time

  • Fine, no high winds1,172 (73%)
  • Raining, no high winds254 (16%)
  • Raining with high winds8 (0.5%)
  • Fine with high winds7 (0.4%)
  • Other142 (8.8%)
  • Not recorded29 (1.8%)

Road surface

  • Dry1,177 (73%)
  • Wet or damp414 (26%)
  • Frost or ice6 (0.4%)
  • Snow3 (0.2%)
  • Flood over 3cm deep1 (0.1%)
  • Not recorded11 (0.7%)

Type of road

  • Single carriageway1,441 (89%)
  • Dual carriageway44 (2.7%)
  • One way street or slip road44 (2.7%)
  • Roundabout6 (0.4%)
  • Not recorded77 (4.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B221 crashes

Car occupants make up 37% of the people killed or injured on the B221, followed by motorcyclists (22%).

Casualties by road user

  • Car occupant679 (37%)
  • Motorcyclist413 (22%)
  • Pedestrian353 (19%)
  • Cyclist308 (17%)
  • Bus or coach occupant46 (2.5%)
  • Van occupant27 (1.5%)
  • Other26 (1.4%)
  • Not recorded2 (0.1%)

Vehicles involved

  • Car1,822 (63%)
  • Motorcycle450 (16%)
  • Pedal cycle313 (11%)
  • Van or goods vehicle up to 3.5 tonnes132 (4.6%)
  • Bus or coach65 (2.3%)
  • Taxi or private hire car34 (1.2%)
  • Goods vehicle over 3.5 tonnes27 (0.9%)
  • Other29 (1%)

Casualties by age

  • 0 to 524 (1.3%)
  • 6 to 1072 (3.9%)
  • 11 to 1567 (3.6%)
  • 16 to 20161 (8.7%)
  • 21 to 25305 (16%)
  • 26 to 35541 (29%)
  • 36 to 45276 (15%)
  • 46 to 55163 (8.8%)
  • 56 to 6581 (4.4%)
  • 66 to 7551 (2.8%)
  • Over 7526 (1.4%)
  • Not recorded87 (4.7%)

Drivers, passengers and pedestrians

  • Driver or rider1,195 (64%)
  • Pedestrian353 (19%)
  • Passenger306 (17%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B221

Map of the 25 most recent crashes on the B221

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

  • 25 crashes
  • Serious
  • Slight

B221 crashes by council area

Of the 1,612 collisions on the B221, 1,609 were in Lambeth.

Collisions on the B221 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stLambeth1,6091,85115228

B221 crashes by town

Of the 1,612 collisions on the B221, 1,474 were in the built-up area of Lambeth.

Recent crashes on the B221

These are the 25 most recent collisions on the B221, from 20 December 2024 to 30 December 2025.

Severity