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CrashStats

A4234 accidents: crash map and statistics

Police recorded 93 collisions on the A4234 from 1996 to 2024, with 147 casualties. Of those crashes, 2 were fatal and 7 serious, and 2 people were killed.

No collisions were recorded on the A4234 in 2025, after 1 in 2024.

Collisions since 1996
93
4,104th highest of 4,923 roads
Casualties
147
1.58 per collision
Fatal collisions
2
2 people killed
Serious collisions
7
10 seriously injured
Collisions in 2025
0
1 in 2024
Casualties in 2025
0
2 in 2024

Crash severity on the A4234

On the A4234, 2.2% of collisions were fatal and 7.5% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1996 to 2024

  • Fatal22.2%
  • Serious77.5%
  • Slight8490%

Where the A4234 ranks among 4,923 roads

Most collisions
4,104th
Most casualties
3,948th
Most fatal collisions
3,485th
Most serious collisions
4,768th

A4234 accidents by year

Collisions on the A4234 peaked at 7 in 2003; none were recorded in 2025.

Collisions and casualties on the A4234, 1996 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202412
202300
2022410
202111
202022
201945
201845
201746
2016510
201533
201411
201355
201246
201123
201022
200949
200848
2007512
200645
200569
200445
2003711
200258
200134
200047
199923
199812
199711
199612

When crashes happen on the A4234

Friday has the most collisions on the A4234 (21), and 3pm to 6pm is the busiest time of day (31).

Collisions by day of the week

  • Monday13 (14%)
  • Tuesday16 (17%)
  • Wednesday12 (13%)
  • Thursday16 (17%)
  • Friday21 (23%)
  • Saturday7 (7.5%)
  • Sunday8 (8.6%)

Collisions by time of day

  • Midnight to 3am1 (1.1%)
  • 3am to 6am2 (2.2%)
  • 6am to 9am10 (11%)
  • 9am to noon10 (11%)
  • Noon to 3pm8 (8.6%)
  • 3pm to 6pm31 (33%)
  • 6pm to 9pm23 (25%)
  • 9pm to midnight8 (8.6%)

Collisions by month

  • January12 (13%)
  • February3 (3.2%)
  • March9 (9.7%)
  • April8 (8.6%)
  • May8 (8.6%)
  • June12 (13%)
  • July6 (6.5%)
  • August4 (4.3%)
  • September4 (4.3%)
  • October11 (12%)
  • November6 (6.5%)
  • December10 (11%)

Light conditions at the time

  • Daylight60 (65%)
  • Dark, street lights lit31 (33%)
  • Dark, lighting unknown2 (2.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4234 crashes

On the A4234, 49% of collisions happened where the speed limit was 50 mph and 71% on a dry road surface.

Speed limit at the scene

  • 30 mph42 (45%)
  • 40 mph1 (1.1%)
  • 50 mph46 (49%)
  • 60 mph1 (1.1%)
  • 70 mph3 (3.2%)

Weather at the time

  • Fine, no high winds73 (78%)
  • Raining, no high winds10 (11%)
  • Snowing, no high winds3 (3.2%)
  • Fine with high winds2 (2.2%)
  • Other3 (3.2%)
  • Not recorded2 (2.2%)

Road surface

  • Dry66 (71%)
  • Wet or damp24 (26%)
  • Snow2 (2.2%)
  • Frost or ice1 (1.1%)

Type of road

  • Dual carriageway65 (70%)
  • Roundabout17 (18%)
  • Single carriageway10 (11%)
  • One way street or slip road1 (1.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4234 crashes

Car occupants make up 84% of the people killed or injured on the A4234, followed by motorcyclists (4.1%).

Casualties by road user

  • Car occupant124 (84%)
  • Motorcyclist6 (4.1%)
  • Pedestrian6 (4.1%)
  • Van occupant6 (4.1%)
  • Cyclist3 (2%)
  • Taxi or private hire car occupant2 (1.4%)

Vehicles involved

  • Car178 (87%)
  • Van or goods vehicle up to 3.5 tonnes9 (4.4%)
  • Goods vehicle over 3.5 tonnes6 (2.9%)
  • Motorcycle6 (2.9%)
  • Pedal cycle3 (1.5%)
  • Taxi or private hire car2 (1%)
  • Minibus1 (0.5%)

Casualties by age

  • 0 to 53 (2%)
  • 6 to 101 (0.7%)
  • 11 to 153 (2%)
  • 16 to 2016 (11%)
  • 21 to 2528 (19%)
  • 26 to 3538 (26%)
  • 36 to 4529 (20%)
  • 46 to 5515 (10%)
  • 56 to 659 (6.1%)
  • 66 to 755 (3.4%)

Drivers, passengers and pedestrians

  • Driver or rider94 (64%)
  • Passenger47 (32%)
  • Pedestrian6 (4.1%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4234

Map of the 25 most recent crashes on the A4234

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4234 crashes by council area

All 93 collisions on the A4234 were in Cardiff.

Collisions on the A4234 in each area, 1996 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stCardiff9314727

A4234 crashes by town

Of the 93 collisions on the A4234, 92 were in the built-up area of Cardiff.

Recent crashes on the A4234

These are the 25 most recent collisions on the A4234, from 11 April 2016 to 24 December 2024.

Severity