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CrashStats

LL52 road accidents: crash map and statistics

Police recorded 305 road traffic collisions in the LL52 postcode district, Gwynedd, from 1979 to 2025, and 471 people were killed or injured in them. Of those collisions, 5 were fatal and 66 were serious.

In 2025 police recorded 2 collisions, down from 3 in 2024.

Collisions since 1979
305
2,512th of 2,813 postcode districts, highest first
Casualties
471
1.54 per collision
Fatal collisions
5
5 people killed
Serious collisions
66
88 seriously injured
Collisions in 2025
2
3 in 2024
Casualties in 2025
5
6 in 2024

Road collision statistics for LL52

Collisions by severity, 1979 to 2025

  • Fatal51.6%
  • Serious6622%
  • Slight23477%

What the data shows

  • LL52 had 28 collisions from 2016 to 2025, 53% fewer than the 59 from 2006 to 2015.
  • 23% of collisions in LL52 were fatal or serious, against 20% across Great Britain.
  • 47 children under 16 were killed or injured in LL52, 10% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 45% of collisions in LL52.

Where LL52 ranks among 2,813 postcode districts

Most collisions
2,512th
Most casualties
2,501st
Most fatal collisions
2,533rd
Most serious collisions
2,542nd

Collisions by day of the week

  • Monday43 (14%)
  • Tuesday37 (12%)
  • Wednesday41 (13%)
  • Thursday42 (14%)
  • Friday55 (18%)
  • Saturday47 (15%)
  • Sunday40 (13%)

Light conditions

  • Daylight231 (76%)
  • Dark, no street lighting47 (15%)
  • Dark, street lights lit23 (7.5%)
  • Dark, lighting unknown4 (1.3%)

Type of road

  • Single carriageway305 (100%)

Speed limit at the scene

  • 20 mph2 (0.7%)
  • 30 mph111 (36%)
  • 40 mph18 (5.9%)
  • 60 mph165 (54%)
  • 70 mph9 (3%)

Weather at the time

  • Fine, no high winds220 (72%)
  • Raining, no high winds45 (15%)
  • Raining with high winds11 (3.6%)
  • Fine with high winds5 (1.6%)
  • Fog or mist4 (1.3%)
  • Snowing, no high winds4 (1.3%)
  • Other14 (4.6%)
  • Not recorded2 (0.7%)

Who was hurt

  • Car occupant350 (74%)
  • Pedestrian51 (11%)
  • Motorcyclist30 (6.4%)
  • Minibus occupant8 (1.7%)
  • Van occupant8 (1.7%)
  • Cyclist7 (1.5%)
  • Goods vehicle occupant (over 3.5 tonnes)6 (1.3%)
  • Bus or coach occupant5 (1.1%)
  • Other vehicle occupant4 (0.8%)
  • Taxi or private hire car occupant2 (0.4%)

Source: Department for Transport, STATS19 road safety data

LL52 road accidents by year

Collisions and casualties in LL52, 1979 to 2025

Collisions in LL52 peaked at 13 in 1987; 2025 had 2.

  • Collisions
  • Collisions in 2025: 2
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202525
202436
202334
202235
202145
202011
201911
201846
201745
201633
2015912
2014811
201358
201233
201157
201069
200958
2008912
200748
200657
2005913
200467
200333
2002810
200137
2000610
199966
1998924
199734
1996610
19951019
19941011
19931118
19921021
1991614
19901019
1989811
198877
19871318
1986910
19851018
1984716
19831015
19821321
1981812
1980911
1979810

Map of recent crashes in LL52

Map of the 24 most recent crashes in LL52

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in LL52

The 24 most recent collisions in LL52 happened between 10 July 2017 and 19 August 2025.

Severity

Crashes by road in LL52

The A497 has the most collisions in LL52, 182 of 305 (60%), followed by the B4411 (42).

Collisions in LL52 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA497182291240
2ndB44114261011
3rdA4873558210

Council area for LL52

LL52 is in Gwynedd, where police recorded 16,819 collisions from 1979 to 2025. LL52 accounts for 1.8% of them.