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CrashStats

B4327 accidents: crash map and statistics

Police recorded 253 collisions on the B4327 from 1979 to 2025, with 349 casualties. Of those crashes, 4 were fatal and 71 serious, and 5 people were killed.

In 2025 there were 5 collisions on the B4327, up 400% from 1 in 2024, with 8 casualties.

Collisions since 1979
253
2,937th highest of 4,923 roads
Casualties
349
1.38 per collision
Fatal collisions
4
5 people killed
Serious collisions
71
86 seriously injured
Collisions in 2025
5
Up 400% on 2024
Casualties in 2025
8
Up 167% on 2024

Crash severity on the B4327

On the B4327, 1.6% of collisions were fatal and 28% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal41.6%
  • Serious7128%
  • Slight17870%

Where the B4327 ranks among 4,923 roads

Most collisions
2,937th
Most casualties
2,915th
Most fatal collisions
2,815th
Most serious collisions
2,462nd

B4327 accidents by year

Collisions on the B4327 peaked at 12 in 1985 and were down to 5 in 2025.

Collisions and casualties on the B4327, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202558
202413
202335
202237
202122
202056
201948
201856
201755
201645
201533
201446
201356
201256
201134
201056
200935
200845
200757
2006910
200567
2004710
200334
2002915
200158
2000811
199945
199868
199789
199669
199555
199433
199358
1992911
199145
199078
1989812
1988910
198766
198645
19851216
1984714
1983912
198234
198134
1980813
1979614

When crashes happen on the B4327

Monday has the most collisions on the B4327 (47), and 3pm to 6pm is the busiest time of day (74).

Collisions by day of the week

  • Monday47 (19%)
  • Tuesday35 (14%)
  • Wednesday25 (9.9%)
  • Thursday41 (16%)
  • Friday44 (17%)
  • Saturday40 (16%)
  • Sunday21 (8.3%)

Collisions by time of day

  • Midnight to 3am6 (2.4%)
  • 3am to 6am3 (1.2%)
  • 6am to 9am32 (13%)
  • 9am to noon39 (15%)
  • Noon to 3pm47 (19%)
  • 3pm to 6pm74 (29%)
  • 6pm to 9pm33 (13%)
  • 9pm to midnight19 (7.5%)

Collisions by month

  • January20 (7.9%)
  • February15 (5.9%)
  • March26 (10%)
  • April12 (4.7%)
  • May27 (11%)
  • June34 (13%)
  • July23 (9.1%)
  • August33 (13%)
  • September18 (7.1%)
  • October18 (7.1%)
  • November13 (5.1%)
  • December14 (5.5%)

Light conditions at the time

  • Daylight208 (82%)
  • Dark, no street lighting37 (15%)
  • Dark, street lights lit7 (2.8%)
  • Dark, lighting unknown1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4327 crashes

On the B4327, 67% of collisions happened where the speed limit was 60 mph and 58% on a dry road surface.

Speed limit at the scene

  • 20 mph1 (0.4%)
  • 30 mph72 (28%)
  • 40 mph10 (4%)
  • 60 mph170 (67%)

Weather at the time

  • Fine, no high winds179 (71%)
  • Raining, no high winds52 (21%)
  • Fine with high winds3 (1.2%)
  • Fog or mist3 (1.2%)
  • Snowing, no high winds2 (0.8%)
  • Other14 (5.5%)

Road surface

  • Dry148 (58%)
  • Wet or damp89 (35%)
  • Frost or ice12 (4.7%)
  • Snow3 (1.2%)
  • Oil or diesel1 (0.4%)

Type of road

  • Single carriageway243 (96%)
  • Roundabout5 (2%)
  • One way street or slip road2 (0.8%)
  • Dual carriageway1 (0.4%)
  • Not recorded2 (0.8%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4327 crashes

Car occupants make up 70% of the people killed or injured on the B4327, followed by motorcyclists (10%).

Casualties by road user

  • Car occupant246 (70%)
  • Motorcyclist36 (10%)
  • Pedestrian24 (6.9%)
  • Van occupant23 (6.6%)
  • Cyclist10 (2.9%)
  • Goods vehicle occupant (over 3.5 tonnes)4 (1.1%)
  • Taxi or private hire car occupant4 (1.1%)
  • Other2 (0.6%)

Vehicles involved

  • Car334 (73%)
  • Van or goods vehicle up to 3.5 tonnes35 (7.7%)
  • Motorcycle33 (7.2%)
  • Goods vehicle over 3.5 tonnes18 (3.9%)
  • Agricultural vehicle10 (2.2%)
  • Pedal cycle10 (2.2%)
  • Taxi or private hire car7 (1.5%)
  • Other10 (2.2%)

Casualties by age

  • 0 to 510 (2.9%)
  • 6 to 1010 (2.9%)
  • 11 to 1529 (8.3%)
  • 16 to 2068 (19%)
  • 21 to 2544 (13%)
  • 26 to 3564 (18%)
  • 36 to 4540 (11%)
  • 46 to 5537 (11%)
  • 56 to 6525 (7.2%)
  • 66 to 7516 (4.6%)
  • Over 756 (1.7%)

Drivers, passengers and pedestrians

  • Driver or rider211 (60%)
  • Passenger114 (33%)
  • Pedestrian24 (6.9%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4327

Map of the 25 most recent crashes on the B4327

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4327 crashes by council area

Of the 253 collisions on the B4327, 251 were in Pembrokeshire.

Collisions on the B4327 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPembrokeshire251347471

B4327 crashes by town

Of the 253 collisions on the B4327, 63 were in the built-up area of Haverfordwest.

Recent crashes on the B4327

These are the 25 most recent collisions on the B4327, from 17 August 2018 to 31 December 2025.

Severity