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CrashStats

Merthyr Tydfil road accidents in 2021: crash map and statistics

Police recorded 45 road traffic collisions in Merthyr Tydfil in 2021, and 69 people were killed or injured in them. Of those collisions, none were fatal and 4 were serious.

Collisions were down 6% on 2020 (48), and casualties rose from 59.

Across all years from 1979 to 2025, police recorded 6,783 collisions in Merthyr Tydfil.

Collisions in 2021
45
Down 6% on 2020
Casualties in 2021
69
Up 17% on 2020
Fatal collisions
0
0% of collisions
Serious collisions
4
8.9% of collisions

Crash severity in Merthyr Tydfil in 2021

None of the collisions in Merthyr Tydfil in 2021 were fatal and 8.9% were serious, against 1.8% and 14% in Merthyr Tydfil from 1979 to 2025.

Collisions by worst injury

  • Fatal00%
  • Serious48.9%
  • Slight4191%

People hurt, by injury

  • Fatal00%
  • Serious812%
  • Slight6188%

Merthyr Tydfil road accidents by year

Collisions and casualties in Merthyr Tydfil, 1979 to 2025

Collisions peaked at 225 in 1982. 2021 is highlighted, with 45, down 6% on 2020.

  • Collisions
  • Collisions in 2021: 45
  • Casualties

Source: Department for Transport, STATS19 road safety data

View as a table
YearCollisionsCasualties
20254658
20243854
20234663
20224354
20214569
20204859
201972119
201891130
201796143
201686129
201599148
2014115168
201393145
201297147
2011112179
2010115185
2009104151
2008130202
2007135221
2006149230
2005147229
2004157246
2003205314
2002178264
2001175270
2000170281
1999194261
1998160252
1997164249
1996211285
1995187242
1994205298
1993152221
1992192280
1991174239
1990203277
1989224262
1988204292
1987169219
1986173207
1985151188
1984179225
1983189254
1982225280
1981215339
1980209279
1979211297

When and where crashes happen in Merthyr Tydfil in 2021

Collisions by day of the week

  • Monday5 (11%)
  • Tuesday4 (8.9%)
  • Wednesday8 (18%)
  • Thursday9 (20%)
  • Friday4 (8.9%)
  • Saturday10 (22%)
  • Sunday5 (11%)

Collisions by time of day

  • 00:00 to 02:593 (6.7%)
  • 03:00 to 05:591 (2.2%)
  • 06:00 to 08:595 (11%)
  • 09:00 to 11:592 (4.4%)
  • 12:00 to 14:5913 (29%)
  • 15:00 to 17:5910 (22%)
  • 18:00 to 20:598 (18%)
  • 21:00 to 23:593 (6.7%)

Collisions by month

  • January1 (2.2%)
  • February1 (2.2%)
  • March1 (2.2%)
  • April7 (16%)
  • May4 (8.9%)
  • June2 (4.4%)
  • July4 (8.9%)
  • August4 (8.9%)
  • September2 (4.4%)
  • October5 (11%)
  • November4 (8.9%)
  • December10 (22%)

Light conditions

  • Daylight33 (73%)
  • Dark, street lights lit10 (22%)
  • Dark, no street lighting1 (2.2%)
  • Dark, street lights unlit1 (2.2%)

Weather at the time

  • Fine, no high winds34 (76%)
  • Raining, no high winds9 (20%)
  • Fog or mist1 (2.2%)
  • Other1 (2.2%)

Road surface

  • Dry27 (60%)
  • Wet or damp18 (40%)

Speed limit at the scene

  • 20 mph2 (4.4%)
  • 30 mph20 (44%)
  • 40 mph11 (24%)
  • 50 mph3 (6.7%)
  • 60 mph4 (8.9%)
  • 70 mph5 (11%)

Type of road

  • Single carriageway30 (67%)
  • Dual carriageway9 (20%)
  • Roundabout6 (13%)

Source: Department for Transport, STATS19 road safety data

Who was hurt in road crashes in Merthyr Tydfil in 2021

Casualties by road user

  • Car occupant54 (78%)
  • Pedestrian8 (12%)
  • Motorcyclist3 (4.3%)
  • Van occupant2 (2.9%)
  • Cyclist1 (1.4%)
  • Goods vehicle occupant (over 3.5 tonnes)1 (1.4%)

Casualties by age

  • 0 to 53 (4.3%)
  • 6 to 106 (8.7%)
  • 11 to 156 (8.7%)
  • 16 to 205 (7.2%)
  • 21 to 259 (13%)
  • 26 to 3511 (16%)
  • 36 to 4513 (19%)
  • 46 to 555 (7.2%)
  • 56 to 656 (8.7%)
  • 66 to 753 (4.3%)
  • Over 752 (2.9%)

Drivers, passengers and pedestrians

  • Driver or rider38 (55%)
  • Passenger23 (33%)
  • Pedestrian8 (12%)

Vehicles involved

  • Car60 (77%)
  • Van or goods vehicle up to 3.5 tonnes7 (9%)
  • Goods vehicle over 3.5 tonnes4 (5.1%)
  • Motorcycle3 (3.8%)
  • Taxi or private hire car2 (2.6%)
  • Bus or coach1 (1.3%)
  • Pedal cycle1 (1.3%)

Source: Department for Transport, STATS19 road safety data

Crash map for Merthyr Tydfil in 2021

Map of the last 24 crashes of 2021 and the 10 busiest accident hotspots in Merthyr Tydfil

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

  • 24 crashes
  • Serious
  • Slight

Accident hotspots (10)

How Merthyr Tydfil ranked among 350 areas in 2021

Of the 350 areas in England, Scotland and Wales, Merthyr Tydfil had fewer road collisions than 338 of them in 2021.

Collisions
339th
of 350 areas, highest first
Casualties
336th
of 350 areas, highest first
Fatal collisions
None
joint lowest with 25 other areas
Serious collisions
348th
of 350 areas, highest first

Accident hotspots in Merthyr Tydfil in 2021

Penydarren, Merthyr Tydfil, CF47 9YJ area was the busiest accident hotspot in Merthyr Tydfil in 2021, with 6 collisions.

Roads in Merthyr Tydfil with the most crashes in 2021

The A470 had the most collisions in Merthyr Tydfil in 2021: 9, including 1 serious.

Roads ranked by collisions in Merthyr Tydfil, 2021
RankRoadCollisionsCasualtiesFatalSerious
1stA47091501
2ndA4654800
3rdA40543600
4thA41023500
5thA4723300
6thB42552400
7thA40601100

Towns in Merthyr Tydfil: crashes in 2021

Merthyr Tydfil itself had the most collisions of any town in the area in 2021: 17.

Postcode districts in Merthyr Tydfil: crashes in 2021

CF48 had the most collisions of any postcode district in Merthyr Tydfil in 2021: 25.

Latest crashes in Merthyr Tydfil in 2021

Of the last 24 crashes in Merthyr Tydfil in 2021, none were fatal and 1 was serious. The last was on 31 December 2021.

Severity

Merthyr Tydfil road accidents in other years