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CrashStats

B4266 accidents: crash map and statistics

Police recorded 72 collisions on the B4266 from 1979 to 2025, with 103 casualties. Of those crashes, 1 was fatal and 12 serious, and 1 person was killed.

In 2025 there was 1 collision on the B4266, down 50% from 2 in 2024, with 1 casualty.

Collisions since 1979
72
4,332nd highest of 4,923 roads
Casualties
103
1.43 per collision
Fatal collisions
1
1 person killed
Serious collisions
12
15 seriously injured
Collisions in 2025
1
Down 50% on 2024
Casualties in 2025
1
Down 50% on 2024

Crash severity on the B4266

On the B4266, 1.4% of collisions were fatal and 17% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.4%
  • Serious1217%
  • Slight5982%

Where the B4266 ranks among 4,923 roads

Most collisions
4,332nd
Most casualties
4,289th
Most fatal collisions
3,933rd
Most serious collisions
4,483rd

B4266 accidents by year

Collisions on the B4266 peaked at 6 in 2004 and were down to 1 in 2025.

Collisions and casualties on the B4266, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202422
202300
202211
202133
202000
201911
201822
201700
201622
201525
201433
201311
201211
201100
201011
200900
200800
200722
200612
200546
200469
200345
200211
200136
200000
199900
199800
199700
199600
199511
199411
199338
199211
199125
199000
198900
198811
198700
198611
198533
198400
1983510
198225
198133
198056
197934

When crashes happen on the B4266

Saturday has the most collisions on the B4266 (16), and 3pm to 6pm is the busiest time of day (16).

Collisions by day of the week

  • Monday7 (9.7%)
  • Tuesday13 (18%)
  • Wednesday12 (17%)
  • Thursday8 (11%)
  • Friday9 (13%)
  • Saturday16 (22%)
  • Sunday7 (9.7%)

Collisions by time of day

  • Midnight to 3am5 (6.9%)
  • 3am to 6am2 (2.8%)
  • 6am to 9am8 (11%)
  • 9am to noon13 (18%)
  • Noon to 3pm10 (14%)
  • 3pm to 6pm16 (22%)
  • 6pm to 9pm11 (15%)
  • 9pm to midnight7 (9.7%)

Collisions by month

  • January4 (5.6%)
  • February1 (1.4%)
  • March10 (14%)
  • April5 (6.9%)
  • May9 (13%)
  • June4 (5.6%)
  • July5 (6.9%)
  • August4 (5.6%)
  • September5 (6.9%)
  • October6 (8.3%)
  • November9 (13%)
  • December10 (14%)

Light conditions at the time

  • Daylight45 (63%)
  • Dark, street lights lit20 (28%)
  • Dark, no street lighting6 (8.3%)
  • Dark, lighting unknown1 (1.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4266 crashes

On the B4266, 75% of collisions happened where the speed limit was 30 mph and 65% on a dry road surface.

Speed limit at the scene

  • 30 mph54 (75%)
  • 40 mph1 (1.4%)
  • 50 mph1 (1.4%)
  • 60 mph16 (22%)

Weather at the time

  • Fine, no high winds57 (79%)
  • Raining, no high winds14 (19%)
  • Raining with high winds1 (1.4%)

Road surface

  • Dry47 (65%)
  • Wet or damp24 (33%)
  • Frost or ice1 (1.4%)

Type of road

  • Single carriageway64 (89%)
  • Dual carriageway4 (5.6%)
  • Roundabout3 (4.2%)
  • One way street or slip road1 (1.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4266 crashes

Car occupants make up 66% of the people killed or injured on the B4266, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant68 (66%)
  • Motorcyclist13 (13%)
  • Pedestrian12 (12%)
  • Cyclist5 (4.9%)
  • Van occupant3 (2.9%)
  • Taxi or private hire car occupant2 (1.9%)

Vehicles involved

  • Car101 (78%)
  • Motorcycle13 (10%)
  • Pedal cycle5 (3.8%)
  • Van or goods vehicle up to 3.5 tonnes4 (3.1%)
  • Taxi or private hire car3 (2.3%)
  • Goods vehicle over 3.5 tonnes2 (1.5%)
  • Minibus1 (0.8%)
  • Other vehicle1 (0.8%)

Casualties by age

  • 0 to 55 (4.9%)
  • 11 to 155 (4.9%)
  • 16 to 2019 (18%)
  • 21 to 2512 (12%)
  • 26 to 3516 (16%)
  • 36 to 4513 (13%)
  • 46 to 5513 (13%)
  • 56 to 658 (7.8%)
  • 66 to 758 (7.8%)
  • Over 754 (3.9%)

Drivers, passengers and pedestrians

  • Driver or rider72 (70%)
  • Passenger19 (18%)
  • Pedestrian12 (12%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4266

Map of the 25 most recent crashes on the B4266

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

  • 25 crashes
  • Serious
  • Slight

B4266 crashes by council area

All 72 collisions on the B4266 were in Vale of Glamorgan.

Collisions on the B4266 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stVale of Glamorgan72103112

B4266 crashes by town

Of the 72 collisions on the B4266, 50 were in the built-up area of Barry, Vale of Glamorgan.

Recent crashes on the B4266

These are the 25 most recent collisions on the B4266, from 20 May 2005 to 22 March 2025.

Severity