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CrashStats

B4301 accidents: crash map and statistics

Collisions since 1981
30
4,903rd highest of 4,923 roads
Casualties
38
1.27 per collision
Fatal collisions
0
No one killed
Serious collisions
9
9 seriously injured
Collisions in 2025
0
1 in 2024
Casualties in 2025
0
1 in 2024

Crash severity on the B4301

None of the 30 collisions on the B4301 were fatal, and 30% were serious (18% across Great Britain).

Collisions by severity, 1981 to 2024

  • Fatal00%
  • Serious930%
  • Slight2170%

Where the B4301 ranks among 4,923 roads

Most collisions
4,903rd
Most casualties
4,903rd
Most fatal collisions
4,444th
Most serious collisions
4,674th

B4301 accidents by year

Collisions on the B4301 peaked at 3 in 1986; none were recorded in 2025.

Collisions and casualties on the B4301, 1981 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202500
202411
202300
202200
202100
202012
201900
201811
201700
201600
201500
201400
201311
201212
201100
201012
200900
200800
200723
200612
200511
200400
200300
200200
200100
200024
199911
199800
199700
199600
199511
199411
199311
199211
199111
199022
198911
198822
198711
198634
198511
198400
198300
198211
198111

When crashes happen on the B4301

Monday has the most collisions on the B4301 (5), and 3pm to 6pm is the busiest time of day (9).

Collisions by day of the week

  • Monday5 (17%)
  • Tuesday5 (17%)
  • Wednesday5 (17%)
  • Thursday5 (17%)
  • Friday5 (17%)
  • Saturday2 (6.7%)
  • Sunday3 (10%)

Collisions by time of day

  • Midnight to 3am1 (3.3%)
  • 3am to 6am1 (3.3%)
  • 6am to 9am3 (10%)
  • 9am to noon4 (13%)
  • Noon to 3pm8 (27%)
  • 3pm to 6pm9 (30%)
  • 6pm to 9pm3 (10%)
  • 9pm to midnight1 (3.3%)

Collisions by month

  • January5 (17%)
  • February2 (6.7%)
  • March1 (3.3%)
  • April2 (6.7%)
  • May3 (10%)
  • June2 (6.7%)
  • July2 (6.7%)
  • August2 (6.7%)
  • September3 (10%)
  • October3 (10%)
  • November3 (10%)
  • December2 (6.7%)

Light conditions at the time

  • Daylight24 (80%)
  • Dark, no street lighting6 (20%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4301 crashes

On the B4301, 73% of collisions happened where the speed limit was 60 mph and 53% on a wet or damp road surface.

Speed limit at the scene

  • 30 mph8 (27%)
  • 60 mph22 (73%)

Weather at the time

  • Fine, no high winds20 (67%)
  • Raining, no high winds6 (20%)
  • Raining with high winds1 (3.3%)
  • Other3 (10%)

Road surface

  • Wet or damp16 (53%)
  • Dry14 (47%)

Type of road

  • Single carriageway30 (100%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4301 crashes

Car occupants make up 74% of the people killed or injured on the B4301, followed by motorcyclists (13%).

Casualties by road user

  • Car occupant28 (74%)
  • Motorcyclist5 (13%)
  • Cyclist3 (7.9%)
  • Pedestrian1 (2.6%)
  • Van occupant1 (2.6%)

Vehicles involved

  • Car35 (69%)
  • Motorcycle5 (9.8%)
  • Pedal cycle4 (7.8%)
  • Van or goods vehicle up to 3.5 tonnes4 (7.8%)
  • Goods vehicle over 3.5 tonnes2 (3.9%)
  • Agricultural vehicle1 (2%)

Casualties by age

  • 11 to 151 (2.6%)
  • 16 to 208 (21%)
  • 21 to 256 (16%)
  • 26 to 3510 (26%)
  • 36 to 451 (2.6%)
  • 46 to 557 (18%)
  • 56 to 653 (7.9%)
  • 66 to 752 (5.3%)

Drivers, passengers and pedestrians

  • Driver or rider32 (84%)
  • Passenger5 (13%)
  • Pedestrian1 (2.6%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4301

Map of the 24 most recent crashes on the B4301

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

  • 24 crashes
  • Serious
  • Slight

B4301 crashes by council area

Of the 30 collisions on the B4301, 28 were in Carmarthenshire.

Collisions on the B4301 in each area, 1981 to 2024
RankAreaCollisionsCasualtiesFatalSerious
1stCarmarthenshire283609

Recent crashes on the B4301

These are the 25 most recent collisions on the B4301, from 12 December 1986 to 24 April 2024.

Severity