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CrashStats

Ystrad Mynach road accidents: crash map and statistics

Police recorded 687 road traffic collisions in Ystrad Mynach, Caerphilly, from 1979 to 2025, and 869 people were killed or injured in them. Of those collisions, 10 were fatal and 109 were serious.

In 2025 police recorded 6 collisions, up from 5 in 2024.

Collisions since 1979
687
954th highest of 2,851 towns
Casualties
869
1.26 per collision
Fatal collisions
10
11 people killed
Serious collisions
109
124 seriously injured
Collisions in 2025
6
5 in 2024
Casualties in 2025
7
6 in 2024

Road collision statistics for Ystrad Mynach

Collisions by severity, 1979 to 2025

  • Fatal101.5%
  • Serious10916%
  • Slight56883%

What the data shows

  • Ystrad Mynach had 81 collisions from 2016 to 2025, 15% fewer than the 95 from 2006 to 2015.
  • 17% of collisions in Ystrad Mynach were fatal or serious, against 20% across Great Britain.
  • 171 children under 16 were killed or injured in Ystrad Mynach, 20% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 33% of collisions in Ystrad Mynach.

Where Ystrad Mynach ranks among 2,851 towns

Most collisions
954th
Most casualties
953rd
Most fatal collisions
849th
Most serious collisions
1,083rd

Collisions by day of the week

  • Monday86 (13%)
  • Tuesday108 (16%)
  • Wednesday111 (16%)
  • Thursday97 (14%)
  • Friday116 (17%)
  • Saturday99 (14%)
  • Sunday70 (10%)

Light conditions

  • Daylight516 (75%)
  • Dark, street lights lit138 (20%)
  • Dark, street lights unlit13 (1.9%)
  • Dark, no street lighting10 (1.5%)
  • Dark, lighting unknown7 (1%)
  • Not recorded3 (0.4%)

Type of road

  • Single carriageway594 (86%)
  • One way street or slip road46 (6.7%)
  • Roundabout30 (4.4%)
  • Dual carriageway10 (1.5%)
  • Not recorded7 (1%)

Speed limit at the scene

  • 15 mph1 (0.1%)
  • 20 mph15 (2.2%)
  • 30 mph614 (89%)
  • 40 mph39 (5.7%)
  • 50 mph1 (0.1%)
  • 60 mph14 (2%)
  • 70 mph3 (0.4%)

Weather at the time

  • Fine, no high winds522 (76%)
  • Raining, no high winds105 (15%)
  • Fine with high winds14 (2%)
  • Raining with high winds11 (1.6%)
  • Snowing, no high winds4 (0.6%)
  • Snowing with high winds2 (0.3%)
  • Other15 (2.2%)
  • Not recorded14 (2%)

Who was hurt

  • Car occupant411 (47%)
  • Pedestrian230 (26%)
  • Motorcyclist94 (11%)
  • Bus or coach occupant58 (6.7%)
  • Cyclist47 (5.4%)
  • Van occupant14 (1.6%)
  • Taxi or private hire car occupant6 (0.7%)
  • Goods vehicle occupant (over 3.5 tonnes)3 (0.3%)
  • Minibus occupant2 (0.2%)
  • Other vehicle occupant2 (0.2%)
  • Other1 (0.1%)
  • Not recorded1 (0.1%)

Source: Department for Transport, STATS19 road safety data

Ystrad Mynach road accidents by year

Collisions and casualties in Ystrad Mynach, 1979 to 2025

Collisions in Ystrad Mynach peaked at 29 in 1987; 2025 had 6.

  • Collisions
  • Collisions in 2025: 6
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
202567
202456
202366
20221112
202156
202044
2019712
20181624
20171013
20161116
201568
20141123
20131315
20121517
201188
2010711
2009810
20081218
200744
20061113
20051320
2004910
20032024
20021422
20011315
20002131
19991114
19981519
19971620
19961625
19951823
19941820
19932332
19921923
19911314
19902329
19892528
19881422
19872933
19861920
19851314
19842531
19832226
19822834
19812731
19802325
19792431

Map of recent crashes in Ystrad Mynach

Map of the 24 most recent crashes in Ystrad Mynach

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 Ystrad Mynach

The 24 most recent collisions in Ystrad Mynach happened between 23 August 2022 and 10 November 2025.

Severity

Crashes by road in Ystrad Mynach

The A469 has the most collisions in Ystrad Mynach, 141 of 687 (21%), followed by the A472 (114).

Collisions in Ystrad Mynach on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA469141166322
2ndA472114144323
3rdA4683400

Council area for Ystrad Mynach

Ystrad Mynach is in Caerphilly, where police recorded 16,718 collisions from 1979 to 2025. Ystrad Mynach accounts for 4.1% of them.

Postcode districts in Ystrad Mynach

Collisions in Ystrad Mynach were recorded in 2 postcode districts, led by CF82 (681) and CF83 (6).