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CrashStats

B4546 accidents: crash map and statistics

Police recorded 81 collisions on the B4546 from 1979 to 2025, with 112 casualties. Of those crashes, 1 was fatal and 25 serious, and 1 person was killed.

In 2025 there were 3 collisions on the B4546, up from none in 2024, with 5 casualties.

Collisions since 1979
81
4,225th highest of 4,923 roads
Casualties
112
1.38 per collision
Fatal collisions
1
1 person killed
Serious collisions
25
29 seriously injured
Collisions in 2025
3
Up from none in 2024
Casualties in 2025
5
Up from none in 2024

Crash severity on the B4546

On the B4546, 1.2% of collisions were fatal and 31% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.2%
  • Serious2531%
  • Slight5568%

Where the B4546 ranks among 4,923 roads

Most collisions
4,225th
Most casualties
4,214th
Most fatal collisions
3,933rd
Most serious collisions
3,805th

B4546 accidents by year

Collisions on the B4546 peaked at 7 in 1987 and were down to 3 in 2025.

Collisions and casualties on the B4546, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202535
202400
202300
202225
202111
202000
201923
201822
201700
201611
201511
201411
201311
201211
201122
201022
200911
200800
200700
200634
200522
200400
200312
200211
200133
200058
199924
199822
199734
199623
199522
199422
199322
199233
199112
199000
198926
198834
1987713
198600
198522
198444
198300
198224
198122
198022
197935

When crashes happen on the B4546

Wednesday has the most collisions on the B4546 (17), and noon to 3pm is the busiest time of day (17).

Collisions by day of the week

  • Monday8 (9.9%)
  • Tuesday8 (9.9%)
  • Wednesday17 (21%)
  • Thursday12 (15%)
  • Friday11 (14%)
  • Saturday14 (17%)
  • Sunday11 (14%)

Collisions by time of day

  • Midnight to 3am11 (14%)
  • 3am to 6am0 (0%)
  • 6am to 9am4 (4.9%)
  • 9am to noon12 (15%)
  • Noon to 3pm17 (21%)
  • 3pm to 6pm16 (20%)
  • 6pm to 9pm14 (17%)
  • 9pm to midnight7 (8.6%)

Collisions by month

  • January5 (6.2%)
  • February2 (2.5%)
  • March1 (1.2%)
  • April11 (14%)
  • May6 (7.4%)
  • June6 (7.4%)
  • July9 (11%)
  • August11 (14%)
  • September5 (6.2%)
  • October10 (12%)
  • November7 (8.6%)
  • December8 (9.9%)

Light conditions at the time

  • Daylight54 (67%)
  • Dark, no street lighting12 (15%)
  • Dark, street lights lit12 (15%)
  • Dark, lighting unknown1 (1.2%)
  • Dark, street lights unlit1 (1.2%)
  • Not recorded1 (1.2%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4546 crashes

On the B4546, 79% of collisions happened where the speed limit was 30 mph and 64% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (1.2%)
  • 30 mph64 (79%)
  • 40 mph1 (1.2%)
  • 60 mph15 (19%)

Weather at the time

  • Fine, no high winds60 (74%)
  • Raining, no high winds13 (16%)
  • Fine with high winds1 (1.2%)
  • Raining with high winds1 (1.2%)
  • Other5 (6.2%)
  • Not recorded1 (1.2%)

Road surface

  • Dry52 (64%)
  • Wet or damp27 (33%)
  • Frost or ice1 (1.2%)
  • Not recorded1 (1.2%)

Type of road

  • Single carriageway79 (98%)
  • One way street or slip road2 (2.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4546 crashes

Car occupants make up 54% of the people killed or injured on the B4546, followed by pedestrians (24%).

Casualties by road user

  • Car occupant60 (54%)
  • Pedestrian27 (24%)
  • Cyclist12 (11%)
  • Motorcyclist8 (7.1%)
  • Bus or coach occupant2 (1.8%)
  • Van occupant2 (1.8%)
  • Other vehicle occupant1 (0.9%)

Vehicles involved

  • Car94 (73%)
  • Pedal cycle11 (8.5%)
  • Van or goods vehicle up to 3.5 tonnes9 (7%)
  • Motorcycle8 (6.2%)
  • Bus or coach2 (1.6%)
  • Agricultural vehicle1 (0.8%)
  • Goods vehicle over 3.5 tonnes1 (0.8%)
  • Other3 (2.3%)

Casualties by age

  • 0 to 54 (3.6%)
  • 6 to 109 (8%)
  • 11 to 1510 (8.9%)
  • 16 to 2030 (27%)
  • 21 to 259 (8%)
  • 26 to 3515 (13%)
  • 36 to 4514 (13%)
  • 46 to 556 (5.4%)
  • 56 to 656 (5.4%)
  • 66 to 757 (6.3%)
  • Over 752 (1.8%)

Drivers, passengers and pedestrians

  • Driver or rider52 (46%)
  • Passenger33 (29%)
  • Pedestrian27 (24%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4546

Map of the 24 most recent crashes on the B4546

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

  • 24 crashes
  • Serious
  • Slight

B4546 crashes by council area

Collisions on the B4546 were recorded in 2 council areas. Pembrokeshire has the most, with 41, followed by Ceredigion (40).

Collisions on the B4546 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPembrokeshire4155115
2ndCeredigion4057010

B4546 crashes by town

Of the 81 collisions on the B4546, 20 were in the built-up area of Cardigan.

Recent crashes on the B4546

These are the 25 most recent collisions on the B4546, from 24 February 2005 to 19 October 2025.

Severity