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CrashStats

LL54 road accidents: crash map and statistics

Police recorded 1,310 road traffic collisions in the LL54 postcode district, Gwynedd, from 1979 to 2025, and 2,133 people were killed or injured in them. Of those collisions, 37 were fatal and 303 were serious.

In 2025 police recorded 7 collisions, up from 5 in 2024.

Collisions since 1979
1,310
2,062nd of 2,813 postcode districts, highest first
Casualties
2,133
1.63 per collision
Fatal collisions
37
42 people killed
Serious collisions
303
404 seriously injured
Collisions in 2025
7
5 in 2024
Casualties in 2025
9
8 in 2024

Road collision statistics for LL54

Collisions by severity, 1979 to 2025

  • Fatal372.8%
  • Serious30323%
  • Slight97074%

What the data shows

  • LL54 had 103 collisions from 2016 to 2025, 50% fewer than the 204 from 2006 to 2015.
  • 26% of collisions in LL54 were fatal or serious, against 20% across Great Britain.
  • 342 children under 16 were killed or injured in LL54, 16% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 42% of collisions in LL54.

Where LL54 ranks among 2,813 postcode districts

Most collisions
2,062nd
Most casualties
1,957th
Most fatal collisions
1,608th
Most serious collisions
1,997th

Collisions by day of the week

  • Monday195 (15%)
  • Tuesday167 (13%)
  • Wednesday200 (15%)
  • Thursday193 (15%)
  • Friday213 (16%)
  • Saturday201 (15%)
  • Sunday141 (11%)

Light conditions

  • Daylight1,001 (76%)
  • Dark, no street lighting181 (14%)
  • Dark, street lights lit116 (8.9%)
  • Dark, lighting unknown10 (0.8%)
  • Dark, street lights unlit2 (0.2%)

Type of road

  • Single carriageway1,256 (96%)
  • Roundabout26 (2%)
  • Dual carriageway16 (1.2%)
  • One way street or slip road3 (0.2%)
  • Not recorded9 (0.7%)

Speed limit at the scene

  • 20 mph4 (0.3%)
  • 30 mph374 (29%)
  • 40 mph86 (6.6%)
  • 50 mph8 (0.6%)
  • 60 mph784 (60%)
  • 70 mph53 (4%)
  • Not recorded1 (0.1%)

Weather at the time

  • Fine, no high winds902 (69%)
  • Raining, no high winds226 (17%)
  • Raining with high winds54 (4.1%)
  • Fine with high winds32 (2.4%)
  • Fog or mist8 (0.6%)
  • Snowing with high winds8 (0.6%)
  • Snowing, no high winds6 (0.5%)
  • Other70 (5.3%)
  • Not recorded4 (0.3%)

Who was hurt

  • Car occupant1,484 (70%)
  • Pedestrian160 (7.5%)
  • Motorcyclist131 (6.1%)
  • Bus or coach occupant112 (5.3%)
  • Cyclist91 (4.3%)
  • Van occupant50 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)39 (1.8%)
  • Minibus occupant22 (1%)
  • Other vehicle occupant17 (0.8%)
  • Taxi or private hire car occupant14 (0.7%)
  • Other13 (0.6%)

Source: Department for Transport, STATS19 road safety data

LL54 road accidents by year

Collisions and casualties in LL54, 1979 to 2025

Collisions in LL54 peaked at 53 in 2000; 2025 had 7.

  • Collisions
  • Collisions in 2025: 7
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202579
202458
20231518
2022810
20211113
20201016
2019811
20181521
20171116
20161319
20151215
20141012
20131517
20122135
20111827
20102333
20092343
20082958
20072843
20062544
20051926
20042637
20034071
20022740
20013649
20005389
19993246
19983055
19974056
19963451
19953972
19943560
199344146
19924265
19914478
19904263
19894056
19884367
19873858
19863658
19853964
19845175
19833452
19822748
19814367
19804365
19792651

Map of recent crashes in LL54

Map of the 24 most recent crashes in LL54

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

  • 24 crashes
  • Fatal
  • Serious
  • Slight

Recent road crashes in LL54

The 24 most recent collisions in LL54 happened between 14 February 2023 and 18 November 2025.

Severity

Crashes by road in LL54

The A487 has the most collisions in LL54, 430 of 1,310 (33%), followed by the A499 (346).

Collisions in LL54 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA487430720979
2ndA4993466201997
3rdB44185364112
4thA40854464113
5thB4417111701
6thA40863301

Council area for LL54

LL54 is in Gwynedd, where police recorded 16,819 collisions from 1979 to 2025. LL54 accounts for 7.8% of them.