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CrashStats

B4329 accidents: crash map and statistics

Police recorded 400 collisions on the B4329 from 1979 to 2025, with 596 casualties. Of those crashes, 6 were fatal and 111 serious, and 6 people were killed.

In 2025 there were 9 collisions on the B4329, up 125% from 4 in 2024, with 13 casualties.

Collisions since 1979
400
2,303rd highest of 4,923 roads
Casualties
596
1.49 per collision
Fatal collisions
6
6 people killed
Serious collisions
111
157 seriously injured
Collisions in 2025
9
Up 125% on 2024
Casualties in 2025
13
Up 86% on 2024

Crash severity on the B4329

On the B4329, 1.5% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal61.5%
  • Serious11128%
  • Slight28371%

Where the B4329 ranks among 4,923 roads

Most collisions
2,303rd
Most casualties
2,153rd
Most fatal collisions
2,299th
Most serious collisions
1,741st

B4329 accidents by year

Collisions on the B4329 peaked at 15 in 2003 and were down to 9 in 2025.

Collisions and casualties on the B4329, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025913
202447
202345
202235
202147
202077
20191113
201845
201766
201666
2015912
201469
2013711
20121018
20111018
2010816
2009813
2008811
200769
20061121
20051425
20041225
20031519
2002810
20011216
200058
1999814
1998912
19971520
19961526
1995812
199436
1993910
1992912
19911013
19901317
19891320
19881519
198777
19861418
1985712
198445
19831012
1982512
1981611
198059
1979814

When crashes happen on the B4329

Friday has the most collisions on the B4329 (67), and 3pm to 6pm is the busiest time of day (99).

Collisions by day of the week

  • Monday53 (13%)
  • Tuesday61 (15%)
  • Wednesday60 (15%)
  • Thursday54 (14%)
  • Friday67 (17%)
  • Saturday52 (13%)
  • Sunday53 (13%)

Collisions by time of day

  • Midnight to 3am7 (1.8%)
  • 3am to 6am8 (2%)
  • 6am to 9am53 (13%)
  • 9am to noon64 (16%)
  • Noon to 3pm78 (20%)
  • 3pm to 6pm99 (25%)
  • 6pm to 9pm64 (16%)
  • 9pm to midnight27 (6.8%)

Collisions by month

  • January15 (3.8%)
  • February26 (6.5%)
  • March32 (8%)
  • April31 (7.8%)
  • May22 (5.5%)
  • June36 (9%)
  • July47 (12%)
  • August44 (11%)
  • September26 (6.5%)
  • October41 (10%)
  • November45 (11%)
  • December35 (8.8%)

Light conditions at the time

  • Daylight311 (78%)
  • Dark, no street lighting76 (19%)
  • Dark, street lights lit12 (3%)
  • Dark, street lights unlit1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4329 crashes

On the B4329, 83% of collisions happened where the speed limit was 60 mph and 54% on a wet or damp road surface.

Speed limit at the scene

  • 20 mph2 (0.5%)
  • 30 mph41 (10%)
  • 40 mph26 (6.5%)
  • 60 mph330 (83%)
  • 70 mph1 (0.3%)

Weather at the time

  • Fine, no high winds237 (59%)
  • Raining, no high winds94 (24%)
  • Fog or mist20 (5%)
  • Raining with high winds17 (4.3%)
  • Other28 (7%)
  • Not recorded4 (1%)

Road surface

  • Wet or damp217 (54%)
  • Dry170 (43%)
  • Frost or ice7 (1.8%)
  • Snow3 (0.8%)
  • Flood over 3cm deep2 (0.5%)
  • Oil or diesel1 (0.3%)

Type of road

  • Single carriageway392 (98%)
  • Roundabout3 (0.8%)
  • Dual carriageway2 (0.5%)
  • One way street or slip road1 (0.3%)
  • Not recorded2 (0.5%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4329 crashes

Car occupants make up 79% of the people killed or injured on the B4329, followed by motorcyclists (8.9%).

Casualties by road user

  • Car occupant468 (79%)
  • Motorcyclist53 (8.9%)
  • Van occupant25 (4.2%)
  • Pedestrian15 (2.5%)
  • Goods vehicle occupant (over 3.5 tonnes)12 (2%)
  • Cyclist9 (1.5%)
  • Minibus occupant7 (1.2%)
  • Other7 (1.2%)

Vehicles involved

  • Car488 (75%)
  • Motorcycle50 (7.7%)
  • Goods vehicle over 3.5 tonnes42 (6.5%)
  • Van or goods vehicle up to 3.5 tonnes39 (6%)
  • Pedal cycle9 (1.4%)
  • Other vehicle8 (1.2%)
  • Agricultural vehicle4 (0.6%)
  • Other9 (1.4%)

Casualties by age

  • 0 to 516 (2.7%)
  • 6 to 1017 (2.9%)
  • 11 to 1520 (3.4%)
  • 16 to 20143 (24%)
  • 21 to 2586 (14%)
  • 26 to 3578 (13%)
  • 36 to 4574 (12%)
  • 46 to 5564 (11%)
  • 56 to 6547 (7.9%)
  • 66 to 7532 (5.4%)
  • Over 7518 (3%)
  • Not recorded1 (0.2%)

Drivers, passengers and pedestrians

  • Driver or rider368 (62%)
  • Passenger213 (36%)
  • Pedestrian15 (2.5%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4329

Map of the 25 most recent crashes on the B4329

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

  • 25 crashes
  • Serious
  • Slight

B4329 crashes by council area

Collisions on the B4329 were recorded in 2 council areas. Pembrokeshire has the most, with 393, followed by Cardiff (3).

Collisions on the B4329 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPembrokeshire3935886108
2ndCardiff3302

B4329 crashes by town

Of the 400 collisions on the B4329, 42 were in the built-up area of Haverfordwest.

Recent crashes on the B4329

These are the 25 most recent collisions on the B4329, from 15 November 2020 to 30 September 2025.

Severity