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CrashStats

B4313 accidents: crash map and statistics

Police recorded 116 collisions on the B4313 from 1979 to 2025, with 172 casualties. Of those crashes, none were fatal and 40 were serious.

In 2025 there were 3 collisions on the B4313, up from none in 2024, with 5 casualties.

Collisions since 1979
116
3,886th highest of 4,923 roads
Casualties
172
1.48 per collision
Fatal collisions
0
No one killed
Serious collisions
40
46 seriously injured
Collisions in 2025
3
Up from none in 2024
Casualties in 2025
5
Up from none in 2024

Crash severity on the B4313

None of the 116 collisions on the B4313 were fatal, and 34% were serious (18% across Great Britain).

Collisions by severity, 1979 to 2025

  • Fatal00%
  • Serious4034%
  • Slight7666%

Where the B4313 ranks among 4,923 roads

Most collisions
3,886th
Most casualties
3,791st
Most fatal collisions
4,444th
Most serious collisions
3,266th

B4313 accidents by year

Collisions on the B4313 peaked at 7 in 1991 and were down to 3 in 2025.

Collisions and casualties on the B4313, 1979 to 2025

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202535
202400
202322
202235
202100
202034
201944
201823
201734
201624
201511
201413
201324
2012511
201133
201035
200934
200823
200756
200623
200546
200422
200313
200200
200123
200022
199933
199824
199722
199616
199512
199422
199322
199233
1991711
199046
198926
198811
198734
198611
198535
198444
198312
198236
198133
198056
197933

When crashes happen on the B4313

Friday has the most collisions on the B4313 (21), and noon to 3pm is the busiest time of day (28).

Collisions by day of the week

  • Monday18 (16%)
  • Tuesday13 (11%)
  • Wednesday12 (10%)
  • Thursday12 (10%)
  • Friday21 (18%)
  • Saturday21 (18%)
  • Sunday19 (16%)

Collisions by time of day

  • Midnight to 3am9 (7.8%)
  • 3am to 6am0 (0%)
  • 6am to 9am11 (9.5%)
  • 9am to noon18 (16%)
  • Noon to 3pm28 (24%)
  • 3pm to 6pm19 (16%)
  • 6pm to 9pm19 (16%)
  • 9pm to midnight12 (10%)

Collisions by month

  • January12 (10%)
  • February7 (6%)
  • March13 (11%)
  • April4 (3.4%)
  • May9 (7.8%)
  • June11 (9.5%)
  • July13 (11%)
  • August12 (10%)
  • September8 (6.9%)
  • October7 (6%)
  • November10 (8.6%)
  • December10 (8.6%)

Light conditions at the time

  • Daylight83 (72%)
  • Dark, no street lighting25 (22%)
  • Dark, street lights lit7 (6%)
  • Dark, street lights unlit1 (0.9%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4313 crashes

On the B4313, 74% of collisions happened where the speed limit was 60 mph and 53% on a dry road surface.

Speed limit at the scene

  • 30 mph28 (24%)
  • 40 mph2 (1.7%)
  • 60 mph86 (74%)

Weather at the time

  • Fine, no high winds79 (68%)
  • Raining, no high winds21 (18%)
  • Raining with high winds5 (4.3%)
  • Fog or mist3 (2.6%)
  • Other7 (6%)
  • Not recorded1 (0.9%)

Road surface

  • Dry62 (53%)
  • Wet or damp47 (41%)
  • Snow3 (2.6%)
  • Frost or ice2 (1.7%)
  • Flood over 3cm deep1 (0.9%)
  • Oil or diesel1 (0.9%)

Type of road

  • Single carriageway111 (96%)
  • Dual carriageway2 (1.7%)
  • One way street or slip road2 (1.7%)
  • Not recorded1 (0.9%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4313 crashes

Car occupants make up 63% of the people killed or injured on the B4313, followed by motorcyclists (12%).

Casualties by road user

  • Car occupant109 (63%)
  • Motorcyclist20 (12%)
  • Van occupant15 (8.7%)
  • Pedestrian12 (7%)
  • Cyclist8 (4.7%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (1.7%)
  • Bus or coach occupant2 (1.2%)
  • Other3 (1.7%)

Vehicles involved

  • Car115 (64%)
  • Motorcycle20 (11%)
  • Van or goods vehicle up to 3.5 tonnes17 (9.4%)
  • Goods vehicle over 3.5 tonnes10 (5.5%)
  • Pedal cycle8 (4.4%)
  • Other vehicle4 (2.2%)
  • Bus or coach3 (1.7%)
  • Other4 (2.2%)

Casualties by age

  • 0 to 54 (2.3%)
  • 6 to 106 (3.5%)
  • 11 to 157 (4.1%)
  • 16 to 2039 (23%)
  • 21 to 2522 (13%)
  • 26 to 3523 (13%)
  • 36 to 4525 (15%)
  • 46 to 5522 (13%)
  • 56 to 6511 (6.4%)
  • 66 to 758 (4.7%)
  • Over 755 (2.9%)

Drivers, passengers and pedestrians

  • Driver or rider106 (62%)
  • Passenger54 (31%)
  • Pedestrian12 (7%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4313

Map of the 25 most recent crashes on the B4313

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

  • 25 crashes
  • Serious
  • Slight

B4313 crashes by council area

Collisions on the B4313 were recorded in 2 council areas. Pembrokeshire has the most, with 111, followed by Powys (3).

Collisions on the B4313 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stPembrokeshire111167039
2ndPowys3301

B4313 crashes by town

Collisions on the B4313 were recorded in 2 towns and built-up areas, led by Narberth (12) and Fishguard (6).

Recent crashes on the B4313

These are the 25 most recent collisions on the B4313, from 30 December 2013 to 25 December 2025.

Severity