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CrashStats

B4261 accidents: crash map and statistics

Police recorded 332 collisions on the B4261 from 1979 to 2025, with 390 casualties. Of those crashes, 2 were fatal and 24 serious, and 2 people were killed.

In 2025 there was 1 collision on the B4261, level with 2024, with 1 casualty.

Collisions since 1979
332
2,552nd highest of 4,923 roads
Casualties
390
1.17 per collision
Fatal collisions
2
2 people killed
Serious collisions
24
26 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Level with 2024

Crash severity on the B4261

On the B4261, 0.6% of collisions were fatal and 7.2% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal20.6%
  • Serious247.2%
  • Slight30692%

Where the B4261 ranks among 4,923 roads

Most collisions
2,552nd
Most casualties
2,765th
Most fatal collisions
3,485th
Most serious collisions
3,851st

B4261 accidents by year

Collisions on the B4261 peaked at 18 in 1985 and were down to 1 in 2025.

Collisions and casualties on the B4261, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202378
202266
202199
202022
201967
201855
201755
201666
201544
20141214
201355
201245
201145
201055
200946
200877
200769
200655
20051216
200455
200324
200269
2001913
2000711
199957
1998710
199700
199600
199544
19941215
199355
199223
19911111
19901113
19891416
198877
19871011
19861113
19851818
1984710
198356
19821517
19811522
19801515
19791314

When crashes happen on the B4261

Saturday has the most collisions on the B4261 (55), and 3pm to 6pm is the busiest time of day (66).

Collisions by day of the week

  • Monday47 (14%)
  • Tuesday45 (14%)
  • Wednesday49 (15%)
  • Thursday51 (15%)
  • Friday52 (16%)
  • Saturday55 (17%)
  • Sunday33 (9.9%)

Collisions by time of day

  • Midnight to 3am25 (7.5%)
  • 3am to 6am9 (2.7%)
  • 6am to 9am22 (6.6%)
  • 9am to noon38 (11%)
  • Noon to 3pm57 (17%)
  • 3pm to 6pm66 (20%)
  • 6pm to 9pm52 (16%)
  • 9pm to midnight63 (19%)

Collisions by month

  • January32 (9.6%)
  • February26 (7.8%)
  • March25 (7.5%)
  • April23 (6.9%)
  • May28 (8.4%)
  • June25 (7.5%)
  • July25 (7.5%)
  • August23 (6.9%)
  • September27 (8.1%)
  • October32 (9.6%)
  • November39 (12%)
  • December27 (8.1%)

Light conditions at the time

  • Daylight186 (56%)
  • Dark, street lights lit131 (39%)
  • Dark, lighting unknown8 (2.4%)
  • Dark, street lights unlit6 (1.8%)
  • Dark, no street lighting1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4261 crashes

On the B4261, 92% of collisions happened where the speed limit was 30 mph and 62% on a dry road surface.

Speed limit at the scene

  • 20 mph24 (7.2%)
  • 30 mph307 (92%)
  • 40 mph1 (0.3%)

Weather at the time

  • Fine, no high winds241 (73%)
  • Raining, no high winds64 (19%)
  • Raining with high winds8 (2.4%)
  • Fine with high winds5 (1.5%)
  • Other7 (2.1%)
  • Not recorded7 (2.1%)

Road surface

  • Dry206 (62%)
  • Wet or damp124 (37%)
  • Flood over 3cm deep1 (0.3%)
  • Frost or ice1 (0.3%)

Type of road

  • Single carriageway314 (95%)
  • Dual carriageway14 (4.2%)
  • Not recorded4 (1.2%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4261 crashes

Car occupants make up 41% of the people killed or injured on the B4261, followed by pedestrians (32%).

Casualties by road user

  • Car occupant158 (41%)
  • Pedestrian123 (32%)
  • Cyclist56 (14%)
  • Motorcyclist34 (8.7%)
  • Bus or coach occupant10 (2.6%)
  • Van occupant4 (1%)
  • Taxi or private hire car occupant3 (0.8%)
  • Other2 (0.5%)

Vehicles involved

  • Car414 (74%)
  • Pedal cycle57 (10%)
  • Motorcycle39 (6.9%)
  • Van or goods vehicle up to 3.5 tonnes22 (3.9%)
  • Taxi or private hire car12 (2.1%)
  • Bus or coach11 (2%)
  • Goods vehicle over 3.5 tonnes3 (0.5%)
  • Other4 (0.7%)

Casualties by age

  • 0 to 55 (1.3%)
  • 6 to 1013 (3.3%)
  • 11 to 1512 (3.1%)
  • 16 to 2057 (15%)
  • 21 to 2576 (19%)
  • 26 to 35111 (28%)
  • 36 to 4551 (13%)
  • 46 to 5526 (6.7%)
  • 56 to 6517 (4.4%)
  • 66 to 7517 (4.4%)
  • Over 754 (1%)
  • Not recorded1 (0.3%)

Drivers, passengers and pedestrians

  • Driver or rider201 (52%)
  • Pedestrian123 (32%)
  • Passenger66 (17%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4261

Map of the 25 most recent crashes on the B4261

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

  • 25 crashes
  • Slight

B4261 crashes by council area

Of the 332 collisions on the B4261, 330 were in Cardiff.

Collisions on the B4261 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCardiff330386223

B4261 crashes by town

Of the 332 collisions on the B4261, 327 were in the built-up area of Cardiff.

Recent crashes on the B4261

These are the 25 most recent collisions on the B4261, from 20 October 2020 to 24 June 2025.