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CrashStats

B4328 accidents: crash map and statistics

Collisions since 1979
52
4,575th highest of 4,923 roads
Casualties
72
1.38 per collision
Fatal collisions
1
1 person killed
Serious collisions
12
15 seriously injured
Collisions in 2025
1
Level with 2024
Casualties in 2025
1
Level with 2024

Crash severity on the B4328

On the B4328, 1.9% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal11.9%
  • Serious1223%
  • Slight3975%

Where the B4328 ranks among 4,923 roads

Most collisions
4,575th
Most casualties
4,555th
Most fatal collisions
3,933rd
Most serious collisions
4,483rd

B4328 accidents by year

Collisions on the B4328 peaked at 6 in 2006 and were down to 1 in 2025.

Collisions and casualties on the B4328, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202411
202300
202211
202100
202000
201923
201811
201711
201600
201500
201400
201324
201213
201122
201033
200912
200811
200712
2006611
200511
200447
200322
200211
200111
200022
199900
199822
199711
199600
199511
199434
199312
199211
199100
199011
198912
198811
198700
198600
198500
198412
198300
198211
198100
198011
197923

When crashes happen on the B4328

Wednesday has the most collisions on the B4328 (14), and 9am to noon is the busiest time of day (11).

Collisions by day of the week

  • Monday6 (12%)
  • Tuesday5 (9.6%)
  • Wednesday14 (27%)
  • Thursday11 (21%)
  • Friday8 (15%)
  • Saturday7 (13%)
  • Sunday1 (1.9%)

Collisions by time of day

  • Midnight to 3am1 (1.9%)
  • 3am to 6am0 (0%)
  • 6am to 9am5 (9.6%)
  • 9am to noon11 (21%)
  • Noon to 3pm11 (21%)
  • 3pm to 6pm10 (19%)
  • 6pm to 9pm7 (13%)
  • 9pm to midnight7 (13%)

Collisions by month

  • January5 (9.6%)
  • February5 (9.6%)
  • March4 (7.7%)
  • April3 (5.8%)
  • May5 (9.6%)
  • June1 (1.9%)
  • July4 (7.7%)
  • August4 (7.7%)
  • September7 (13%)
  • October4 (7.7%)
  • November5 (9.6%)
  • December5 (9.6%)

Light conditions at the time

  • Daylight41 (79%)
  • Dark, no street lighting6 (12%)
  • Dark, street lights lit5 (9.6%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4328 crashes

On the B4328, 52% of collisions happened where the speed limit was 30 mph and 60% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (1.9%)
  • 30 mph27 (52%)
  • 40 mph2 (3.8%)
  • 50 mph1 (1.9%)
  • 60 mph21 (40%)

Weather at the time

  • Fine, no high winds40 (77%)
  • Raining, no high winds6 (12%)
  • Fog or mist2 (3.8%)
  • Raining with high winds2 (3.8%)
  • Fine with high winds1 (1.9%)
  • Other1 (1.9%)

Road surface

  • Dry31 (60%)
  • Wet or damp21 (40%)

Type of road

  • Single carriageway51 (98%)
  • Not recorded1 (1.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4328 crashes

Car occupants make up 58% of the people killed or injured on the B4328, followed by pedestrians (15%).

Casualties by road user

  • Car occupant42 (58%)
  • Pedestrian11 (15%)
  • Motorcyclist6 (8.3%)
  • Van occupant6 (8.3%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (4.2%)
  • Cyclist2 (2.8%)
  • Agricultural vehicle occupant1 (1.4%)
  • Other vehicle occupant1 (1.4%)

Vehicles involved

  • Car54 (67%)
  • Motorcycle7 (8.6%)
  • Van or goods vehicle up to 3.5 tonnes7 (8.6%)
  • Goods vehicle over 3.5 tonnes6 (7.4%)
  • Agricultural vehicle3 (3.7%)
  • Pedal cycle3 (3.7%)
  • Other vehicle1 (1.2%)

Casualties by age

  • 0 to 51 (1.4%)
  • 6 to 104 (5.6%)
  • 11 to 156 (8.3%)
  • 16 to 2018 (25%)
  • 21 to 255 (6.9%)
  • 26 to 3511 (15%)
  • 36 to 458 (11%)
  • 46 to 554 (5.6%)
  • 56 to 658 (11%)
  • 66 to 755 (6.9%)
  • Over 752 (2.8%)

Drivers, passengers and pedestrians

  • Driver or rider45 (63%)
  • Passenger16 (22%)
  • Pedestrian11 (15%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4328

Map of the 25 most recent crashes on the B4328

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

  • 25 crashes
  • Serious
  • Slight

B4328 crashes by council area

Of the 52 collisions on the B4328, 50 were in Carmarthenshire.

Collisions on the B4328 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stCarmarthenshire5069111

Recent crashes on the B4328

These are the 25 most recent collisions on the B4328, from 13 July 2005 to 17 November 2025.

Severity