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CrashStats

B4302 accidents: crash map and statistics

Police recorded 160 collisions on the B4302 from 1979 to 2025, with 249 casualties. Of those crashes, 7 were fatal and 55 serious, and 7 people were killed.

In 2025 there were 2 collisions on the B4302, down 50% from 4 in 2024, with 5 casualties.

Collisions since 1979
160
3,515th highest of 4,923 roads
Casualties
249
1.56 per collision
Fatal collisions
7
7 people killed
Serious collisions
55
74 seriously injured
Collisions in 2025
2
Down 50% on 2024
Casualties in 2025
5
Down 38% on 2024

Crash severity on the B4302

On the B4302, 4.4% of collisions were fatal and 34% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal74.4%
  • Serious5534%
  • Slight9861%

Where the B4302 ranks among 4,923 roads

Most collisions
3,515th
Most casualties
3,352nd
Most fatal collisions
2,103rd
Most serious collisions
2,827th

B4302 accidents by year

Collisions on the B4302 peaked at 7 in 1995 and were down to 2 in 2025.

Collisions and casualties on the B4302, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202525
202448
202322
202223
202111
202011
201922
201846
201734
201657
201546
201433
201324
201258
201122
201011
200922
200822
200724
200600
200556
200446
200367
200249
200137
200022
199957
199849
199712
1996511
199578
199467
1993715
1992411
199122
199034
1989610
1988610
198725
198658
198522
198433
198336
198268
198123
198023
197967

When crashes happen on the B4302

Thursday has the most collisions on the B4302 (32), and 3pm to 6pm is the busiest time of day (39).

Collisions by day of the week

  • Monday24 (15%)
  • Tuesday21 (13%)
  • Wednesday21 (13%)
  • Thursday32 (20%)
  • Friday23 (14%)
  • Saturday27 (17%)
  • Sunday12 (7.5%)

Collisions by time of day

  • Midnight to 3am3 (1.9%)
  • 3am to 6am3 (1.9%)
  • 6am to 9am24 (15%)
  • 9am to noon21 (13%)
  • Noon to 3pm36 (23%)
  • 3pm to 6pm39 (24%)
  • 6pm to 9pm17 (11%)
  • 9pm to midnight17 (11%)

Collisions by month

  • January15 (9.4%)
  • February11 (6.9%)
  • March13 (8.1%)
  • April12 (7.5%)
  • May12 (7.5%)
  • June12 (7.5%)
  • July17 (11%)
  • August13 (8.1%)
  • September15 (9.4%)
  • October16 (10%)
  • November13 (8.1%)
  • December11 (6.9%)

Light conditions at the time

  • Daylight120 (75%)
  • Dark, no street lighting37 (23%)
  • Dark, street lights lit1 (0.6%)
  • Not recorded2 (1.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4302 crashes

On the B4302, 86% of collisions happened where the speed limit was 60 mph and 49% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.6%)
  • 30 mph10 (6.3%)
  • 40 mph7 (4.4%)
  • 50 mph4 (2.5%)
  • 60 mph138 (86%)

Weather at the time

  • Fine, no high winds103 (64%)
  • Raining, no high winds40 (25%)
  • Raining with high winds5 (3.1%)
  • Fine with high winds2 (1.3%)
  • Other8 (5%)
  • Not recorded2 (1.3%)

Road surface

  • Dry79 (49%)
  • Wet or damp73 (46%)
  • Frost or ice5 (3.1%)
  • Mud1 (0.6%)
  • Not recorded2 (1.3%)

Type of road

  • Single carriageway159 (99%)
  • Dual carriageway1 (0.6%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4302 crashes

Car occupants make up 80% of the people killed or injured on the B4302, followed by occupants of goods vehicles over 3.5 tonnes (6%).

Casualties by road user

  • Car occupant199 (80%)
  • Goods vehicle occupant (over 3.5 tonnes)15 (6%)
  • Motorcyclist14 (5.6%)
  • Van occupant12 (4.8%)
  • Pedestrian7 (2.8%)
  • Cyclist1 (0.4%)
  • Minibus occupant1 (0.4%)

Vehicles involved

  • Car210 (75%)
  • Goods vehicle over 3.5 tonnes33 (12%)
  • Van or goods vehicle up to 3.5 tonnes21 (7.5%)
  • Motorcycle13 (4.6%)
  • Bus or coach2 (0.7%)
  • Minibus1 (0.4%)
  • Pedal cycle1 (0.4%)

Casualties by age

  • 0 to 53 (1.2%)
  • 6 to 108 (3.2%)
  • 11 to 1511 (4.4%)
  • 16 to 2040 (16%)
  • 21 to 2533 (13%)
  • 26 to 3541 (16%)
  • 36 to 4540 (16%)
  • 46 to 5537 (15%)
  • 56 to 6522 (8.8%)
  • 66 to 758 (3.2%)
  • Over 756 (2.4%)

Drivers, passengers and pedestrians

  • Driver or rider172 (69%)
  • Passenger70 (28%)
  • Pedestrian7 (2.8%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4302

Map of the 25 most recent crashes on the B4302

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4302 crashes by council area

Of the 160 collisions on the B4302, 158 were in Carmarthenshire.

Collisions on the B4302 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCarmarthenshire158247755

Recent crashes on the B4302

These are the 25 most recent collisions on the B4302, from 21 March 2016 to 20 October 2025.

Severity