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CrashStats

LL49 road accidents: crash map and statistics

Police recorded 561 road traffic collisions in the LL49 postcode district, Gwynedd, from 1979 to 2025, and 837 people were killed or injured in them. Of those collisions, 9 were fatal and 140 were serious.

In 2025 police recorded 8 collisions, up from 4 in 2024.

Collisions since 1979
561
2,383rd of 2,813 postcode districts, highest first
Casualties
837
1.49 per collision
Fatal collisions
9
9 people killed
Serious collisions
140
185 seriously injured
Collisions in 2025
8
4 in 2024
Casualties in 2025
11
8 in 2024

Road collision statistics for LL49

Collisions by severity, 1979 to 2025

  • Fatal91.6%
  • Serious14025%
  • Slight41273%

What the data shows

  • LL49 had 51 collisions from 2016 to 2025, 47% fewer than the 97 from 2006 to 2015.
  • 27% of collisions in LL49 were fatal or serious, against 20% across Great Britain.
  • 106 children under 16 were killed or injured in LL49, 13% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in LL49.

Where LL49 ranks among 2,813 postcode districts

Most collisions
2,383rd
Most casualties
2,372nd
Most fatal collisions
2,449th
Most serious collisions
2,372nd

Collisions by day of the week

  • Monday62 (11%)
  • Tuesday64 (11%)
  • Wednesday61 (11%)
  • Thursday81 (14%)
  • Friday99 (18%)
  • Saturday108 (19%)
  • Sunday86 (15%)

Light conditions

  • Daylight426 (76%)
  • Dark, street lights lit67 (12%)
  • Dark, no street lighting62 (11%)
  • Dark, lighting unknown5 (0.9%)
  • Dark, street lights unlit1 (0.2%)

Type of road

  • Single carriageway537 (96%)
  • Roundabout12 (2.1%)
  • Dual carriageway4 (0.7%)
  • One way street or slip road3 (0.5%)
  • Not recorded5 (0.9%)

Speed limit at the scene

  • 20 mph9 (1.6%)
  • 30 mph314 (56%)
  • 40 mph31 (5.5%)
  • 60 mph193 (34%)
  • 70 mph14 (2.5%)

Weather at the time

  • Fine, no high winds435 (78%)
  • Raining, no high winds80 (14%)
  • Raining with high winds11 (2%)
  • Fine with high winds3 (0.5%)
  • Snowing, no high winds3 (0.5%)
  • Fog or mist1 (0.2%)
  • Other21 (3.7%)
  • Not recorded7 (1.2%)

Who was hurt

  • Car occupant547 (65%)
  • Pedestrian130 (16%)
  • Motorcyclist75 (9%)
  • Cyclist46 (5.5%)
  • Minibus occupant13 (1.6%)
  • Van occupant13 (1.6%)
  • Bus or coach occupant7 (0.8%)
  • Other vehicle occupant3 (0.4%)
  • Goods vehicle occupant (over 3.5 tonnes)2 (0.2%)
  • Taxi or private hire car occupant1 (0.1%)

Source: Department for Transport, STATS19 road safety data

LL49 road accidents by year

Collisions and casualties in LL49, 1979 to 2025

Collisions in LL49 peaked at 24 in 1997; 2025 had 8.

  • Collisions
  • Collisions in 2025: 8
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
2025811
202448
202389
202244
202146
202033
2019610
201869
201768
201623
2015611
201456
2013910
2012815
20111116
20101415
20091322
20081323
20071017
2006811
2005810
20041416
20031521
20021829
20011825
20001627
19991823
19981525
19972437
1996511
19951015
19941316
19931319
19921322
19911933
19902235
19891526
19882032
19871928
198678
19851620
19841922
19831828
19821524
19811220
19801519
19791629

Map of recent crashes in LL49

Map of the 24 most recent crashes in LL49

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in LL49

The 24 most recent collisions in LL49 happened between 7 January 2022 and 24 July 2025.

Severity

Crashes by road in LL49

The A487 has the most collisions in LL49, 267 of 561 (48%), followed by the A497 (96).

Collisions in LL49 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA487267370162
2ndA49796163228
3rdA4984689018

Council area for LL49

LL49 is in Gwynedd, where police recorded 16,819 collisions from 1979 to 2025. LL49 accounts for 3.3% of them.

Town in LL49

Of the 561 collisions in LL49, 227 (40%) were in Porthmadog.