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CrashStats

LL41 road accidents: crash map and statistics

Police recorded 1,159 road traffic collisions in the LL41 postcode district, Gwynedd, from 1979 to 2025, and 1,905 people were killed or injured in them. Of those collisions, 38 were fatal and 286 were serious.

In 2025 police recorded 6 collisions, down from 8 in 2024.

Collisions since 1979
1,159
2,141st of 2,813 postcode districts, highest first
Casualties
1,905
1.64 per collision
Fatal collisions
38
41 people killed
Serious collisions
286
426 seriously injured
Collisions in 2025
6
8 in 2024
Casualties in 2025
16
12 in 2024

Road collision statistics for LL41

Collisions by severity, 1979 to 2025

  • Fatal383.3%
  • Serious28625%
  • Slight83572%

What the data shows

  • LL41 had 106 collisions from 2016 to 2025, 55% fewer than the 233 from 2006 to 2015.
  • 28% of collisions in LL41 were fatal or serious, against 20% across Great Britain.
  • 256 children under 16 were killed or injured in LL41, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 47% of collisions in LL41.

Where LL41 ranks among 2,813 postcode districts

Most collisions
2,141st
Most casualties
2,032nd
Most fatal collisions
1,575th
Most serious collisions
2,043rd

Collisions by day of the week

  • Monday151 (13%)
  • Tuesday131 (11%)
  • Wednesday131 (11%)
  • Thursday149 (13%)
  • Friday209 (18%)
  • Saturday186 (16%)
  • Sunday202 (17%)

Light conditions

  • Daylight882 (76%)
  • Dark, no street lighting171 (15%)
  • Dark, street lights lit94 (8.1%)
  • Dark, lighting unknown9 (0.8%)
  • Dark, street lights unlit3 (0.3%)

Type of road

  • Single carriageway1,135 (98%)
  • Dual carriageway13 (1.1%)
  • Roundabout4 (0.3%)
  • One way street or slip road1 (0.1%)
  • Not recorded6 (0.5%)

Speed limit at the scene

  • 20 mph1 (0.1%)
  • 30 mph337 (29%)
  • 40 mph8 (0.7%)
  • 50 mph3 (0.3%)
  • 60 mph761 (66%)
  • 70 mph49 (4.2%)

Weather at the time

  • Fine, no high winds753 (65%)
  • Raining, no high winds219 (19%)
  • Raining with high winds46 (4%)
  • Fine with high winds26 (2.2%)
  • Snowing, no high winds17 (1.5%)
  • Fog or mist11 (0.9%)
  • Snowing with high winds6 (0.5%)
  • Other70 (6%)
  • Not recorded11 (0.9%)

Who was hurt

  • Car occupant1,353 (71%)
  • Motorcyclist200 (10%)
  • Pedestrian141 (7.4%)
  • Cyclist65 (3.4%)
  • Van occupant43 (2.3%)
  • Goods vehicle occupant (over 3.5 tonnes)31 (1.6%)
  • Bus or coach occupant26 (1.4%)
  • Minibus occupant19 (1%)
  • Other vehicle occupant16 (0.8%)
  • Taxi or private hire car occupant4 (0.2%)
  • Other6 (0.3%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

LL41 road accidents by year

Collisions and casualties in LL41, 1979 to 2025

Collisions in LL41 peaked at 46 in 1999; 2025 had 6.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025616
2024812
2023915
2022914
202179
2020912
2019914
20181523
20172029
20161421
20151521
20142542
20131423
20121416
20111634
20102949
20093055
20082939
20073354
20062850
20051628
20043354
20032542
20023353
20013448
20001626
19994679
19983343
19972842
19962645
19952759
19943355
19933857
19924685
19912942
19903551
19893574
19882743
19873658
19862741
19852539
19842029
19832434
19822552
19813753
19803160
19793565

Map of recent crashes in LL41

Map of the 24 most recent crashes in LL41

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 LL41

The 24 most recent collisions in LL41 happened between 19 November 2022 and 31 October 2025.

Severity

Crashes by road in LL41

The A470 has the most collisions in LL41, 424 of 1,159 (37%), followed by the A487 (264).

Collisions in LL41 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA47042468210100
2ndA4872645111066
3rdA496171274650
4thA421277142824
5thB43913961210
6thB44073401

Council areas covering LL41

Collisions in LL41 were recorded in 2 council areas. Gwynedd has 1,144 of 1,159 (99%).

Collisions in LL41 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stGwynedd1,1441,88236281
2ndConwy152325

Town in LL41

Of the 1,159 collisions in LL41, 205 (18%) were in Blaenau Ffestiniog.