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CrashStats

B4547 accidents: crash map and statistics

Police recorded 208 collisions on the B4547 from 1979 to 2025, with 346 casualties. Of those crashes, 8 were fatal and 48 serious, and 9 people were killed.

In 2025 there was 1 collision on the B4547, up from none in 2024, with 1 casualty.

Collisions since 1979
208
3,194th highest of 4,923 roads
Casualties
346
1.66 per collision
Fatal collisions
8
9 people killed
Serious collisions
48
71 seriously injured
Collisions in 2025
1
Up from none in 2024
Casualties in 2025
1
Up from none in 2024

Crash severity on the B4547

On the B4547, 3.8% of collisions were fatal and 23% serious, against 1.6% and 18% across Great Britain.

Collisions by severity, 1979 to 2025

  • Fatal83.8%
  • Serious4823%
  • Slight15273%

Where the B4547 ranks among 4,923 roads

Most collisions
3,194th
Most casualties
2,929th
Most fatal collisions
1,937th
Most serious collisions
3,024th

B4547 accidents by year

Collisions on the B4547 peaked at 15 in 2001 and were down to 1 in 2025.

Collisions and casualties on the B4547, 1979 to 2025

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202400
202311
202200
202111
202033
201936
201812
201700
201611
201511
201426
201311
201257
201136
201023
200935
200856
200757
200600
200535
200425
200347
2002917
20011525
2000913
19991121
1998913
19971220
1996613
1995916
199447
1993713
199223
1991817
1990916
198958
198845
198734
198644
198547
198445
198326
198245
19811019
198036
197989

When crashes happen on the B4547

Friday has the most collisions on the B4547 (43), and 3pm to 6pm is the busiest time of day (47).

Collisions by day of the week

  • Monday30 (14%)
  • Tuesday25 (12%)
  • Wednesday32 (15%)
  • Thursday32 (15%)
  • Friday43 (21%)
  • Saturday25 (12%)
  • Sunday21 (10%)

Collisions by time of day

  • Midnight to 3am8 (3.8%)
  • 3am to 6am1 (0.5%)
  • 6am to 9am34 (16%)
  • 9am to noon29 (14%)
  • Noon to 3pm43 (21%)
  • 3pm to 6pm47 (23%)
  • 6pm to 9pm29 (14%)
  • 9pm to midnight17 (8.2%)

Collisions by month

  • January16 (7.7%)
  • February11 (5.3%)
  • March9 (4.3%)
  • April16 (7.7%)
  • May14 (6.7%)
  • June9 (4.3%)
  • July21 (10%)
  • August23 (11%)
  • September18 (8.7%)
  • October24 (12%)
  • November27 (13%)
  • December20 (9.6%)

Light conditions at the time

  • Daylight151 (73%)
  • Dark, no street lighting41 (20%)
  • Dark, street lights lit13 (6.3%)
  • Dark, lighting unknown2 (1%)
  • Dark, street lights unlit1 (0.5%)

Source: Department for Transport, STATS19 road safety data

Road and weather conditions in B4547 crashes

On the B4547, 89% of collisions happened where the speed limit was 60 mph and 59% on a wet or damp road surface.

Speed limit at the scene

  • 30 mph5 (2.4%)
  • 40 mph1 (0.5%)
  • 50 mph4 (1.9%)
  • 60 mph185 (89%)
  • 70 mph13 (6.3%)

Weather at the time

  • Fine, no high winds119 (57%)
  • Raining, no high winds48 (23%)
  • Raining with high winds20 (9.6%)
  • Fine with high winds5 (2.4%)
  • Other14 (6.7%)
  • Not recorded2 (1%)

Road surface

  • Wet or damp123 (59%)
  • Dry82 (39%)
  • Frost or ice2 (1%)
  • Snow1 (0.5%)

Type of road

  • Single carriageway201 (97%)
  • Roundabout4 (1.9%)
  • Dual carriageway3 (1.4%)

Source: Department for Transport, STATS19 road safety data

People hurt and vehicles involved in B4547 crashes

Car occupants make up 80% of the people killed or injured on the B4547, followed by motorcyclists (7.8%).

Casualties by road user

  • Car occupant277 (80%)
  • Motorcyclist27 (7.8%)
  • Pedestrian11 (3.2%)
  • Minibus occupant8 (2.3%)
  • Cyclist7 (2%)
  • Van occupant6 (1.7%)
  • Taxi or private hire car occupant5 (1.4%)
  • Other5 (1.4%)

Vehicles involved

  • Car331 (81%)
  • Motorcycle23 (5.6%)
  • Goods vehicle over 3.5 tonnes12 (2.9%)
  • Minibus11 (2.7%)
  • Van or goods vehicle up to 3.5 tonnes10 (2.5%)
  • Pedal cycle7 (1.7%)
  • Other vehicle5 (1.2%)
  • Other9 (2.2%)

Casualties by age

  • 0 to 58 (2.3%)
  • 6 to 108 (2.3%)
  • 11 to 1513 (3.8%)
  • 16 to 2073 (21%)
  • 21 to 2558 (17%)
  • 26 to 3573 (21%)
  • 36 to 4548 (14%)
  • 46 to 5526 (7.5%)
  • 56 to 6519 (5.5%)
  • 66 to 758 (2.3%)
  • Over 7512 (3.5%)

Drivers, passengers and pedestrians

  • Driver or rider224 (65%)
  • Passenger111 (32%)
  • Pedestrian11 (3.2%)

Source: Department for Transport, STATS19 road safety data

Map of recent crashes on the B4547

Map of the 25 most recent crashes on the B4547

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

  • 25 crashes
  • Fatal
  • Serious
  • Slight

B4547 crashes by council area

Of the 208 collisions on the B4547, 207 were in Gwynedd.

Collisions on the B4547 in each area, 1979 to 2025
RankAreaCollisionsCasualtiesFatalSerious
1stGwynedd207345847

Recent crashes on the B4547

These are the 25 most recent collisions on the B4547, from 12 August 2010 to 11 July 2025.

Severity