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CrashStats

B4488 accidents: crash map and statistics

Police recorded 39 collisions on the B4488 from 1987 to 2025, with 52 casualties. Of those crashes, 1 was fatal and 7 serious, and 1 person was killed.

In 2025 there was 1 collision on the B4488, level with 2024, with 1 casualty.

Collisions since 1987
39
4,762nd highest of 4,923 roads
Casualties
52
1.33 per collision
Fatal collisions
1
1 person killed
Serious collisions
7
7 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Level with 2024

Crash severity on the B4488

On the B4488, 2.6% of collisions were fatal and 18% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1987 to 2025

  • Fatal12.6%
  • Serious718%
  • Slight3179%

Where the B4488 ranks among 4,923 roads

Most collisions
4,762nd
Most casualties
4,758th
Most fatal collisions
3,933rd
Most serious collisions
4,768th

B4488 accidents by year

Collisions on the B4488 peaked at 5 in 2016 and were down to 1 in 2025.

Collisions and casualties on the B4488, 1987 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202311
202200
202100
202011
201913
201811
201733
201656
201500
201422
201311
201200
201111
201000
200900
200811
200729
200611
200500
200400
200311
200211
200100
200000
199911
199800
199700
199600
199500
199411
199300
199222
199100
199022
198946
198833
198723

When crashes happen on the B4488

Friday has the most collisions on the B4488 (9), and 6pm to 9pm is the busiest time of day (12).

Collisions by day of the week

  • Monday4 (10%)
  • Tuesday1 (2.6%)
  • Wednesday4 (10%)
  • Thursday8 (21%)
  • Friday9 (23%)
  • Saturday5 (13%)
  • Sunday8 (21%)

Collisions by time of day

  • Midnight to 3am1 (2.6%)
  • 3am to 6am1 (2.6%)
  • 6am to 9am3 (7.7%)
  • 9am to noon5 (13%)
  • Noon to 3pm6 (15%)
  • 3pm to 6pm8 (21%)
  • 6pm to 9pm12 (31%)
  • 9pm to midnight3 (7.7%)

Collisions by month

  • January1 (2.6%)
  • February4 (10%)
  • March3 (7.7%)
  • April3 (7.7%)
  • May6 (15%)
  • June5 (13%)
  • July1 (2.6%)
  • August2 (5.1%)
  • September3 (7.7%)
  • October7 (18%)
  • December4 (10%)

Light conditions at the time

  • Daylight27 (69%)
  • Dark, street lights lit11 (28%)
  • Dark, street lights unlit1 (2.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4488 crashes

On the B4488, 79% of collisions happened where the speed limit was 30 mph and 62% on a dry road surface.

Speed limit at the scene

  • 20 mph2 (5.1%)
  • 30 mph31 (79%)
  • 40 mph6 (15%)

Weather at the time

  • Fine, no high winds24 (62%)
  • Raining, no high winds12 (31%)
  • Fine with high winds1 (2.6%)
  • Raining with high winds1 (2.6%)
  • Not recorded1 (2.6%)

Road surface

  • Dry24 (62%)
  • Wet or damp15 (38%)

Type of road

  • Single carriageway27 (69%)
  • Dual carriageway10 (26%)
  • Roundabout2 (5.1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4488 crashes

Car occupants make up 58% of the people killed or injured on the B4488, followed by cyclists (19%).

Casualties by road user

  • Car occupant30 (58%)
  • Cyclist10 (19%)
  • Pedestrian5 (9.6%)
  • Bus or coach occupant3 (5.8%)
  • Motorcyclist2 (3.8%)
  • Other vehicle occupant2 (3.8%)

Vehicles involved

  • Car61 (76%)
  • Pedal cycle10 (13%)
  • Bus or coach3 (3.8%)
  • Motorcycle3 (3.8%)
  • Other vehicle1 (1.3%)
  • Taxi or private hire car1 (1.3%)
  • Van or goods vehicle up to 3.5 tonnes1 (1.3%)

Casualties by age

  • 0 to 52 (3.8%)
  • 11 to 152 (3.8%)
  • 16 to 205 (9.6%)
  • 21 to 257 (13%)
  • 26 to 3513 (25%)
  • 36 to 456 (12%)
  • 46 to 558 (15%)
  • 56 to 652 (3.8%)
  • 66 to 751 (1.9%)
  • Over 756 (12%)

Drivers, passengers and pedestrians

  • Driver or rider33 (63%)
  • Passenger14 (27%)
  • Pedestrian5 (9.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4488

Map of the 25 most recent crashes on the B4488

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4488 crashes by council area

Of the 39 collisions on the B4488, 36 were in Cardiff.

Collisions on the B4488 in each area, 1987 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCardiff364917

B4488 crashes by town

Of the 39 collisions on the B4488, 34 were in the built-up area of Cardiff.

Recent crashes on the B4488

These are the 25 most recent collisions on the B4488, from 21 March 1999 to 15 May 2025.

Severity