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CrashStats

B4586 accidents: crash map and statistics

Police recorded 42 collisions on the B4586 from 1979 to 2025, with 61 casualties. Of those crashes, none were fatal and 16 were serious.

In 2025 there was 1 collision on the B4586, level with 2024, with 2 casualties.

Collisions since 1979
42
4,725th highest of 4,923 roads
Casualties
61
1.45 per collision
Fatal collisions
0
No one killed
Serious collisions
16
21 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
2
Down 33% on 2024

Crash severity on the B4586

None of the 42 collisions on the B4586 were fatal, and 38% were serious (18% across Great Britain).

Collisions by severity, 1979 to 2025

  • Fatal00%
  • Serious1638%
  • Slight2662%

Where the B4586 ranks among 4,923 roads

Most collisions
4,725th
Most casualties
4,660th
Most fatal collisions
4,444th
Most serious collisions
4,250th

B4586 accidents by year

Collisions on the B4586 peaked at 4 in 2003 and were down to 1 in 2025.

Collisions and casualties on the B4586, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202512
202413
202300
202200
202111
202011
201922
201800
201722
201612
201511
201400
201300
201234
201111
201000
200900
200800
200711
200600
200522
200411
200347
200211
200100
200000
199924
199835
199733
199600
199513
199412
199300
199212
199100
199011
198900
198800
198711
198611
198500
198400
198300
198200
198146
198000
197912

When crashes happen on the B4586

Sunday has the most collisions on the B4586 (11), and noon to 3pm is the busiest time of day (11).

Collisions by day of the week

  • Monday5 (12%)
  • Wednesday8 (19%)
  • Thursday4 (9.5%)
  • Friday9 (21%)
  • Saturday5 (12%)
  • Sunday11 (26%)

Collisions by time of day

  • Midnight to 3am3 (7.1%)
  • 3am to 6am1 (2.4%)
  • 6am to 9am3 (7.1%)
  • 9am to noon4 (9.5%)
  • Noon to 3pm11 (26%)
  • 3pm to 6pm8 (19%)
  • 6pm to 9pm8 (19%)
  • 9pm to midnight4 (9.5%)

Collisions by month

  • January2 (4.8%)
  • February4 (9.5%)
  • March1 (2.4%)
  • April2 (4.8%)
  • May3 (7.1%)
  • June2 (4.8%)
  • July7 (17%)
  • August2 (4.8%)
  • September8 (19%)
  • October2 (4.8%)
  • November7 (17%)
  • December2 (4.8%)

Light conditions at the time

  • Daylight27 (64%)
  • Dark, no street lighting11 (26%)
  • Dark, street lights lit3 (7.1%)
  • Dark, street lights unlit1 (2.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4586 crashes

On the B4586, 67% of collisions happened where the speed limit was 60 mph and 62% on a dry road surface.

Speed limit at the scene

  • 30 mph12 (29%)
  • 40 mph1 (2.4%)
  • 50 mph1 (2.4%)
  • 60 mph28 (67%)

Weather at the time

  • Fine, no high winds32 (76%)
  • Raining, no high winds8 (19%)
  • Other1 (2.4%)
  • Not recorded1 (2.4%)

Road surface

  • Dry26 (62%)
  • Wet or damp15 (36%)
  • Frost or ice1 (2.4%)

Type of road

  • Single carriageway41 (98%)
  • Dual carriageway1 (2.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4586 crashes

Car occupants make up 72% of the people killed or injured on the B4586, followed by pedestrians (9.8%).

Casualties by road user

  • Car occupant44 (72%)
  • Pedestrian6 (9.8%)
  • Cyclist4 (6.6%)
  • Van occupant3 (4.9%)
  • Motorcyclist2 (3.3%)
  • Horse rider1 (1.6%)
  • Other vehicle occupant1 (1.6%)

Vehicles involved

  • Car56 (76%)
  • Van or goods vehicle up to 3.5 tonnes5 (6.8%)
  • Goods vehicle over 3.5 tonnes4 (5.4%)
  • Pedal cycle4 (5.4%)
  • Bus or coach1 (1.4%)
  • Motorcycle1 (1.4%)
  • Other vehicle1 (1.4%)
  • Other2 (2.7%)

Casualties by age

  • 0 to 51 (1.6%)
  • 6 to 102 (3.3%)
  • 11 to 154 (6.6%)
  • 16 to 2013 (21%)
  • 21 to 258 (13%)
  • 26 to 357 (11%)
  • 36 to 458 (13%)
  • 46 to 557 (11%)
  • 56 to 655 (8.2%)
  • 66 to 754 (6.6%)
  • Over 752 (3.3%)

Drivers, passengers and pedestrians

  • Driver or rider33 (54%)
  • Passenger22 (36%)
  • Pedestrian6 (9.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4586

Map of the 25 most recent crashes on the B4586

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

  • 25 crashes
  • Serious
  • Slight

B4586 crashes by council area

Of the 42 collisions on the B4586, 40 were in Pembrokeshire.

Collisions on the B4586 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPembrokeshire4059015

Recent crashes on the B4586

These are the 25 most recent collisions on the B4586, from 14 January 1999 to 23 April 2025.

Severity