Skip to main content
CrashStats

Mynydd Isa road accidents: crash map and statistics

Police recorded 227 road traffic collisions in Mynydd Isa, Flintshire, from 1979 to 2025, and 295 people were killed or injured in them. Of those collisions, 1 was fatal and 41 were serious.

In 2025 police recorded 1 collision, down from 2 in 2024.

Collisions since 1979
227
1,818th of 2,851 towns, highest first
Casualties
295
1.30 per collision
Fatal collisions
1
1 person killed
Serious collisions
41
47 seriously injured
Collisions in 2025
1
2 in 2024
Casualties in 2025
1
2 in 2024

Road collision statistics for Mynydd Isa

Collisions by severity, 1979 to 2025

  • Fatal10.4%
  • Serious4118%
  • Slight18581%

What the data shows

  • Mynydd Isa had 9 collisions from 2016 to 2025, 61% fewer than the 23 from 2006 to 2015.
  • 19% of collisions in Mynydd Isa were fatal or serious, against 20% across Great Britain.
  • 68 children under 16 were killed or injured in Mynydd Isa, 23% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 36% of collisions in Mynydd Isa.

Where Mynydd Isa ranks among 2,851 towns

Most collisions
1,818th
Most casualties
1,836th
Most fatal collisions
2,420th
Most serious collisions
1,948th

Collisions by day of the week

  • Monday24 (11%)
  • Tuesday35 (15%)
  • Wednesday32 (14%)
  • Thursday39 (17%)
  • Friday37 (16%)
  • Saturday40 (18%)
  • Sunday20 (8.8%)

Light conditions

  • Daylight172 (76%)
  • Dark, street lights lit53 (23%)
  • Dark, no street lighting1 (0.4%)
  • Dark, street lights unlit1 (0.4%)

Type of road

  • Single carriageway223 (98%)
  • Dual carriageway3 (1.3%)
  • Not recorded1 (0.4%)

Speed limit at the scene

  • 20 mph3 (1.3%)
  • 30 mph223 (98%)
  • 60 mph1 (0.4%)

Weather at the time

  • Fine, no high winds171 (75%)
  • Raining, no high winds26 (11%)
  • Fine with high winds6 (2.6%)
  • Raining with high winds6 (2.6%)
  • Snowing, no high winds3 (1.3%)
  • Fog or mist1 (0.4%)
  • Other14 (6.2%)

Who was hurt

  • Car occupant161 (55%)
  • Pedestrian49 (17%)
  • Motorcyclist36 (12%)
  • Cyclist33 (11%)
  • Taxi or private hire car occupant7 (2.4%)
  • Van occupant6 (2%)
  • Bus or coach occupant2 (0.7%)
  • Minibus occupant1 (0.3%)

Source: Department for Transport, STATS19 road safety data

Mynydd Isa road accidents by year

Collisions and casualties in Mynydd Isa, 1979 to 2025

Collisions in Mynydd Isa peaked at 16 in 1990; 2025 had 1.

  • Collisions
  • Collisions in 2025: 1
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202511
202422
202311
202222
202100
202000
201900
201800
201722
201611
201544
201422
201346
201222
201111
201011
200947
200837
200700
200625
200534
200459
2003914
200245
200148
200066
19991013
199845
199768
19961116
199579
1994711
199367
199278
1991812
19901617
19891013
1988610
198777
198656
19851215
198477
198377
198256
198167
19801214
197957

Map of recent crashes in Mynydd Isa

Map of the 24 most recent crashes in Mynydd Isa

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

  • 24 crashes
  • Serious
  • Slight

Recent road crashes in Mynydd Isa

The 24 most recent collisions in Mynydd Isa happened between 12 December 2009 and 3 November 2025.

Severity

Crashes by road in Mynydd Isa

Of the 227 collisions in Mynydd Isa, 135 were on the A549.

Collisions in Mynydd Isa on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA549135183120

Council area for Mynydd Isa

Mynydd Isa is in Flintshire, where police recorded 22,687 collisions from 1979 to 2025. Mynydd Isa accounts for 1% of them.

Postcode district for Mynydd Isa

All 227 collisions in Mynydd Isa were in the CH7 postcode district.