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CrashStats

Porthmadog road accidents: crash map and statistics

Police recorded 227 road traffic collisions in Porthmadog, Gwynedd, from 1979 to 2025, and 285 people were killed or injured in them. Of those collisions, 2 were fatal and 48 were serious.

In 2025 police recorded 6 collisions, up from none in 2024.

Collisions since 1979
227
1,818th of 2,851 towns, highest first
Casualties
285
1.26 per collision
Fatal collisions
2
2 people killed
Serious collisions
48
51 seriously injured
Collisions in 2025
6
0 in 2024
Casualties in 2025
9
0 in 2024

Road collision statistics for Porthmadog

Collisions by severity, 1979 to 2025

  • Fatal20.9%
  • Serious4821%
  • Slight17778%

What the data shows

  • Porthmadog had 23 collisions from 2016 to 2025, 36% fewer than the 36 from 2006 to 2015.
  • 22% of collisions in Porthmadog were fatal or serious, against 20% across Great Britain.
  • 51 children under 16 were killed or injured in Porthmadog, 18% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 30% of collisions in Porthmadog.

Where Porthmadog ranks among 2,851 towns

Most collisions
1,818th
Most casualties
1,868th
Most fatal collisions
2,109th
Most serious collisions
1,780th

Collisions by day of the week

  • Monday26 (11%)
  • Tuesday27 (12%)
  • Wednesday28 (12%)
  • Thursday40 (18%)
  • Friday40 (18%)
  • Saturday40 (18%)
  • Sunday26 (11%)

Light conditions

  • Daylight182 (80%)
  • Dark, street lights lit36 (16%)
  • Dark, no street lighting7 (3.1%)
  • Dark, lighting unknown2 (0.9%)

Type of road

  • Single carriageway211 (93%)
  • Roundabout8 (3.5%)
  • Dual carriageway4 (1.8%)
  • One way street or slip road3 (1.3%)
  • Not recorded1 (0.4%)

Speed limit at the scene

  • 20 mph7 (3.1%)
  • 30 mph205 (90%)
  • 40 mph2 (0.9%)
  • 60 mph12 (5.3%)
  • 70 mph1 (0.4%)

Weather at the time

  • Fine, no high winds182 (80%)
  • Raining, no high winds28 (12%)
  • Raining with high winds4 (1.8%)
  • Fine with high winds2 (0.9%)
  • Other8 (3.5%)
  • Not recorded3 (1.3%)

Who was hurt

  • Car occupant131 (46%)
  • Pedestrian93 (33%)
  • Cyclist27 (9.5%)
  • Motorcyclist23 (8.1%)
  • Bus or coach occupant6 (2.1%)
  • Minibus occupant3 (1.1%)
  • Other vehicle occupant1 (0.4%)
  • Van occupant1 (0.4%)

Source: Department for Transport, STATS19 road safety data

Porthmadog road accidents by year

Collisions and casualties in Porthmadog, 1979 to 2025

Collisions in Porthmadog peaked at 11 in 1987; 2025 had 6.

  • Collisions
  • Collisions in 2025
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202569
202400
202344
202211
202122
202011
201934
201836
201734
201600
201500
201423
201333
201235
201133
201055
200947
200879
200756
200644
200533
200489
200347
2002610
2001912
200044
199955
199845
199789
199633
199545
199444
199369
199247
19911015
1990810
198967
1988910
19871114
198644
198544
19841113
198389
19821011
198145
198066
197959

Map of recent crashes in Porthmadog

Map of the 24 most recent crashes in Porthmadog

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Porthmadog

The 24 most recent collisions in Porthmadog happened between 28 April 2014 and 2 July 2025.

Severity

Crashes by road in Porthmadog

The A487 has the most collisions in Porthmadog, 128 of 227 (56%), followed by the A497 (29).

Collisions in Porthmadog on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA487128169030
2ndA497293717

Council area for Porthmadog

Porthmadog is in Gwynedd, where police recorded 16,819 collisions from 1979 to 2025. Porthmadog accounts for 1.3% of them.

Postcode district for Porthmadog

All 227 collisions in Porthmadog were in the LL49 postcode district.