Skip to main content
CrashStats

A4159 accidents: crash map and statistics

Police recorded 97 collisions on the A4159 from 1979 to 2024, with 174 casualties. Of those crashes, 2 were fatal and 25 serious, and 2 people were killed.

No collisions were recorded on the A4159 in 2025, after 4 in 2024.

Collisions since 1979
97
4,072nd highest of 4,923 roads
Casualties
174
1.79 per collision
Fatal collisions
2
2 people killed
Serious collisions
25
35 seriously injured
Collisions in 2025
0
4 in 2024
Casualties in 2025
0
10 in 2024

Crash severity on the A4159

On the A4159, 2.1% of collisions were fatal and 26% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2024

  • Fatal22.1%
  • Serious2526%
  • Slight7072%

Where the A4159 ranks among 4,923 roads

Most collisions
4,072nd
Most casualties
3,778th
Most fatal collisions
3,485th
Most serious collisions
3,805th

A4159 accidents by year

Collisions on the A4159 peaked at 4 in 2024; none were recorded in 2025.

Collisions and casualties on the A4159, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
2024410
202337
202200
202124
202011
201922
201800
201737
201611
201513
201435
201300
201211
201139
201023
200922
200824
200748
200645
200511
200447
200311
200237
200147
200023
199938
199836
199738
199611
199535
199445
199345
199236
199135
199011
198914
198824
198712
198611
198511
198411
198322
198200
198112
198036
197933

When crashes happen on the A4159

Sunday has the most collisions on the A4159 (18), and noon to 3pm is the busiest time of day (37).

Collisions by day of the week

  • Monday10 (10%)
  • Tuesday13 (13%)
  • Wednesday11 (11%)
  • Thursday17 (18%)
  • Friday15 (15%)
  • Saturday13 (13%)
  • Sunday18 (19%)

Collisions by time of day

  • Midnight to 3am5 (5.2%)
  • 3am to 6am0 (0%)
  • 6am to 9am5 (5.2%)
  • 9am to noon7 (7.2%)
  • Noon to 3pm37 (38%)
  • 3pm to 6pm29 (30%)
  • 6pm to 9pm9 (9.3%)
  • 9pm to midnight5 (5.2%)

Collisions by month

  • January3 (3.1%)
  • February5 (5.2%)
  • March13 (13%)
  • April11 (11%)
  • May11 (11%)
  • June7 (7.2%)
  • July5 (5.2%)
  • August15 (15%)
  • September12 (12%)
  • October3 (3.1%)
  • November3 (3.1%)
  • December9 (9.3%)

Light conditions at the time

  • Daylight80 (82%)
  • Dark, no street lighting15 (15%)
  • Dark, street lights lit2 (2.1%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in A4159 crashes

On the A4159, 80% of collisions happened where the speed limit was 60 mph and 69% on a dry road surface.

Speed limit at the scene

  • 30 mph5 (5.2%)
  • 40 mph5 (5.2%)
  • 50 mph9 (9.3%)
  • 60 mph78 (80%)

Weather at the time

  • Fine, no high winds77 (79%)
  • Raining, no high winds12 (12%)
  • Raining with high winds2 (2.1%)
  • Snowing, no high winds1 (1%)
  • Other5 (5.2%)

Road surface

  • Dry67 (69%)
  • Wet or damp29 (30%)
  • Frost or ice1 (1%)

Type of road

  • Single carriageway95 (98%)
  • Dual carriageway1 (1%)
  • Roundabout1 (1%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in A4159 crashes

Car occupants make up 89% of the people killed or injured on the A4159, followed by motorcyclists (5.2%).

Casualties by road user

  • Car occupant154 (89%)
  • Motorcyclist9 (5.2%)
  • Van occupant5 (2.9%)
  • Cyclist3 (1.7%)
  • Pedestrian3 (1.7%)

Vehicles involved

  • Car158 (82%)
  • Van or goods vehicle up to 3.5 tonnes11 (5.7%)
  • Motorcycle9 (4.7%)
  • Goods vehicle over 3.5 tonnes8 (4.1%)
  • Pedal cycle3 (1.6%)
  • Other vehicle2 (1%)
  • Agricultural vehicle1 (0.5%)
  • Minibus1 (0.5%)

Casualties by age

  • 0 to 53 (1.7%)
  • 6 to 106 (3.4%)
  • 11 to 156 (3.4%)
  • 16 to 2028 (16%)
  • 21 to 2519 (11%)
  • 26 to 3531 (18%)
  • 36 to 4517 (9.8%)
  • 46 to 5515 (8.6%)
  • 56 to 6524 (14%)
  • 66 to 7516 (9.2%)
  • Over 759 (5.2%)

Drivers, passengers and pedestrians

  • Driver or rider107 (61%)
  • Passenger64 (37%)
  • Pedestrian3 (1.7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the A4159

Map of the 25 most recent crashes on the A4159

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

A4159 crashes by council area

Of the 97 collisions on the A4159, 95 were in Ceredigion.

Collisions on the A4159 in each area, 1979 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stCeredigion95172225

Recent crashes on the A4159

These are the 25 most recent collisions on the A4159, from 3 December 2010 to 3 December 2024.

Severity