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CrashStats

CF48 road accidents: crash map and statistics

Police recorded 3,661 road traffic collisions in the CF48 postcode district, Merthyr Tydfil, from 1979 to 2025, and 5,485 people were killed or injured in them. Of those collisions, 87 were fatal and 578 were serious.

In 2025 police recorded 27 collisions, up 4% on 2024 (26).

Collisions since 1979
3,661
1,012th highest of 2,813 postcode districts
Casualties
5,485
1.50 per collision
Fatal collisions
87
98 people killed
Serious collisions
578
748 seriously injured
Collisions in 2025
27
Up 4% on 2024
Casualties in 2025
38
Down 3% on 2024

Road collision statistics for CF48

Collisions by severity, 1979 to 2025

  • Fatal872.4%
  • Serious57816%
  • Slight2,99682%

What the data shows

  • CF48 had 411 collisions from 2016 to 2025, 39% fewer than the 676 from 2006 to 2015.
  • 18% of collisions in CF48 were fatal or serious, against 20% across Great Britain.
  • 830 children under 16 were killed or injured in CF48, 15% of the casualties whose age was recorded.
  • The road surface was wet, icy, snowy or flooded in 38% of collisions in CF48.

Where CF48 ranks among 2,813 postcode districts

Most collisions
1,012th
Most casualties
841st
Most fatal collisions
421st
Most serious collisions
1,270th

Collisions by day of the week

  • Monday463 (13%)
  • Tuesday498 (14%)
  • Wednesday483 (13%)
  • Thursday504 (14%)
  • Friday646 (18%)
  • Saturday585 (16%)
  • Sunday482 (13%)

Light conditions

  • Daylight2,536 (69%)
  • Dark, street lights lit633 (17%)
  • Dark, no street lighting346 (9.5%)
  • Dark, street lights unlit66 (1.8%)
  • Dark, lighting unknown64 (1.7%)
  • Not recorded16 (0.4%)

Type of road

  • Single carriageway2,889 (79%)
  • Dual carriageway414 (11%)
  • Roundabout267 (7.3%)
  • One way street or slip road24 (0.7%)
  • Not recorded67 (1.8%)

Speed limit at the scene

  • 10 mph2 (0.1%)
  • 15 mph2 (0.1%)
  • 20 mph23 (0.6%)
  • 30 mph2,114 (58%)
  • 40 mph177 (4.8%)
  • 50 mph64 (1.7%)
  • 60 mph970 (26%)
  • 70 mph309 (8.4%)

Weather at the time

  • Fine, no high winds2,710 (74%)
  • Raining, no high winds561 (15%)
  • Raining with high winds123 (3.4%)
  • Fine with high winds61 (1.7%)
  • Snowing, no high winds47 (1.3%)
  • Fog or mist36 (1%)
  • Snowing with high winds16 (0.4%)
  • Other51 (1.4%)
  • Not recorded56 (1.5%)

Who was hurt

  • Car occupant3,633 (66%)
  • Pedestrian736 (13%)
  • Motorcyclist401 (7.3%)
  • Bus or coach occupant206 (3.8%)
  • Cyclist191 (3.5%)
  • Van occupant146 (2.7%)
  • Goods vehicle occupant (over 3.5 tonnes)63 (1.1%)
  • Other vehicle occupant52 (0.9%)
  • Taxi or private hire car occupant30 (0.5%)
  • Minibus occupant26 (0.5%)
  • Not recorded1 (under 0.1%)

Source: Department for Transport, STATS19 road safety data

CF48 road accidents by year

Collisions and casualties in CF48, 1979 to 2025

Collisions in CF48 peaked at 118 in 1994; 2025 had 27.

  • Collisions
  • Collisions in 2025: 27
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20252738
20242639
20232940
20223045
20213149
20203550
20194872
20185889
201764108
20166398
20156297
201469106
20135891
20125787
20116199
20106097
200973108
200877125
200781143
200678129
200577118
200484127
2003107159
200280128
200199155
200072123
199993135
199883132
199784128
199693142
199595127
1994118185
199384123
199299145
199196139
1990115159
1989107130
1988117194
198797143
19867499
198578110
1984101140
198398136
1982103135
1981110174
1980110149
1979100140

Map of recent crashes in CF48

Map of the 24 most recent crashes in CF48

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 CF48

The 24 most recent collisions in CF48 happened between 22 February and 8 December 2025.

Severity

Crashes by road in CF48

The A470 has the most collisions in CF48, 870 of 3,661 (24%), followed by the A465 (456).

Collisions in CF48 on each road, 1979 to 2025
RankRoadCollisionsCasualtiesFatalSerious
1stA4708701,37722169
2ndA4654568332668
3rdA4054259404529
4thA4102221338536
5thA4060159243422
6thB428591112118
7thA40594357320

Council areas covering CF48

Collisions in CF48 were recorded in 4 council areas. Merthyr Tydfil has 3,343 of 3,661 (91%).

Collisions in CF48 by council area, 1979 to 2025
RankCouncil areaCollisionsCasualtiesFatalSerious
1stMerthyr Tydfil3,3434,91469487
2ndPowys1562761051
3rdCaerphilly121227734
4thRhondda Cynon Taf416816

Towns in CF48

Collisions in CF48 were recorded in 2 towns, led by Merthyr Tydfil (1,342) and Troedyrhiw and Pentrebach (344).