Slight
Ford Fiesta crash on the B4254 in Merthyr Tydfil, 20 Dec 2025, 21:55
- 1 vehicle, 1 casualty
Ref 2025622600011
Treharris, Merthyr Tydfil, CF46 5LF area: accident hotspot
Police recorded 103 road collisions at this accident hotspot in Treharris ward, Merthyr Tydfil, from 2001 to 2025, with 140 casualties. Of those collisions, 14 were serious and none fatal.
In 2025 there were 3 collisions here, up from none in 2024.
- Collisions, 2001 to 2025
- 103
- 7,757th busiest of 12,033 hotspots
- Casualties
- 140
- 1.36 per collision
- Fatal collisions
- 0
- No one killed
- Collisions in 2025
- 3
- 0 in 2024
Crash severity at the CF46 5LF hotspot
14 of the 103 collisions here (14%) killed or seriously injured someone.
Collisions by severity, 2001 to 2025
- Fatal00%
- Serious1414%
- Slight8986%
People hurt, 2001 to 2025
- Killed
- 0
- Seriously injured
- 14
- Slightly injured
- 126
- All casualties
- 140
Accidents by year at the CF46 5LF hotspot
Collisions here peaked at 10 in 2002, against an average of 4.1 a year from 2001 to 2025.
Collisions and casualties at the CF46 5LF hotspot, 2001 to 2025
- Collisions
- Collisions in 2025: 3
- Casualties
Source: Department for Transport, STATS19 road safety data
View as a tableHide the table
| Year | Collisions | Casualties |
|---|---|---|
| 2025 | 3 | 3 |
| 2024 | 0 | 0 |
| 2023 | 1 | 2 |
| 2022 | 2 | 2 |
| 2021 | 2 | 3 |
| 2020 | 3 | 3 |
| 2019 | 1 | 1 |
| 2018 | 1 | 1 |
| 2017 | 2 | 4 |
| 2016 | 5 | 6 |
| 2015 | 2 | 2 |
| 2014 | 5 | 6 |
| 2013 | 2 | 3 |
| 2012 | 7 | 7 |
| 2011 | 6 | 10 |
| 2010 | 7 | 11 |
| 2009 | 2 | 3 |
| 2008 | 9 | 10 |
| 2007 | 3 | 4 |
| 2006 | 8 | 13 |
| 2005 | 4 | 4 |
| 2004 | 7 | 11 |
| 2003 | 6 | 11 |
| 2002 | 10 | 11 |
| 2001 | 5 | 9 |
Map of crashes at the CF46 5LF hotspot
The 48 most recent collisions at this hotspot, coloured by severity, around its centre near CF46 5LF.
Map of the 48 most recent collisions at the Treharris, Merthyr Tydfil, CF46 5LF area accident hotspot
Use the arrow keys to move the map and the plus and minus keys to zoom.
- 48 crashes
- Serious
- Slight
Centre of the hotspot
Hotspot area, 700 m radius
Details of the CF46 5LF hotspot
This hotspot counts every collision police recorded from 2001 to 2025 within 700 metres of its centre, except those already counted in a busier hotspot.
- Ward
- Treharris
- Council area
- Merthyr Tydfil
- Nearest postcode to the centre
- CF46 5LF
- Postcode district
- CF46
- Centre (latitude, longitude)
- 51.66359, -3.30589
- Radius
- 700 metres
- Years covered
- 2001 to 2025
- Years with a collision
- 24 of 25
- Latest collision
- 20 December 2025
- Rank by collisions
- 7,757th of 12,033 hotspots
Towns near the CF46 5LF hotspot
Of the built-up areas this hotspot reaches, Treharris had the most collisions, 62 of 103.
Accident hotspots near CF46 5LF
The 8 nearest other hotspots are all within 5 km of this one. The nearest is the Abercynon, Rhondda Cynon Taf, CF45 4EW area, 1.5 km away, with 278 collisions.
- Abercynon, Rhondda Cynon Taf, CF45 4EW area1.5 km away, 412 casualties278 collisions
- Nelson, Caerphilly, CF46 6HA area1.9 km away, 181 casualties121 collisions
- Abercynon, Rhondda Cynon Taf, CF45 4SF area2.6 km away, 164 casualties109 collisions
- Abercynon, Rhondda Cynon Taf, CF45 4SH area2.8 km away, 151 casualties104 collisions
- Merthyr Vale, Merthyr Tydfil, CF48 4NT area3.7 km away, 117 casualties87 collisions
- St Cattwg, Caerphilly, CF82 8ED area3.9 km away, 151 casualties98 collisions
- Penrhiw-ceibr, Rhondda Cynon Taf, CF45 3YG area4.1 km away, 191 casualties123 collisions
- Glyn-coch, Rhondda Cynon Taf, CF37 3BW area4.9 km away, 206 casualties145 collisions
All 103 crashes at the CF46 5LF hotspot
Newest first, from 1 January 2001 to 20 December 2025, 48 to a page.
Severity
Year
- Slight
Vauxhall Vivaro crash on an unclassified road in Merthyr Tydfil, 9 Oct 2025, 11:13
- Vauxhall Vivaro and a bicycle
- 2 vehicles, 1 casualty
Ref 2025622500675
- Serious
MG HS crash on an unclassified road in Merthyr Tydfil, 29 Aug 2025, 07:40
- MG HS and Kia Xceed
- 2 vehicles, 1 casualty
Ref 2025622500596
- Slight
Ford Fiesta crash on the B4254 in Merthyr Tydfil, 23 Jun 2023, 12:22
- Ford Fiesta and Volkswagen Golf
- 2 vehicles, 2 casualties
Ref 2023622300541
- Slight
Nissan Qashqai crash on the B4254 in Merthyr Tydfil, 30 Nov 2022, 17:09
- 1 vehicle, 1 casualty
Ref 2022622300002
- Slight
Nissan Juke crash on the B4254 in Merthyr Tydfil, 2 Jan 2022, 12:48
- 1 vehicle, 1 casualty
Ref 2022622200202
- Serious
Mini Countryman crash on an unclassified road in Merthyr Tydfil, 17 Apr 2021, 14:15
- 1 vehicle, 1 casualty
Ref 2021622100381
- Slight
MG 3 crash on the A4054 in Merthyr Tydfil, 15 Apr 2021, 20:40
- MG 3 and Peugeot 208
- 2 vehicles, 2 casualties
Ref 2021622100265
- Slight
Renault Clio crash on the A4054 in Merthyr Tydfil, 20 Dec 2020, 00:01
- 1 vehicle, 1 casualty
Ref 2020622001104
- Serious
Motorcycle crash on an unclassified road in Merthyr Tydfil, 16 Jul 2020, 13:46
- A motorcycle and a car
- 2 vehicles, 1 casualty
Ref 2020622000637
- Slight
Ford Focus crash on the A4054 in Merthyr Tydfil, 24 Jun 2020, 18:32
- Ford Focus and a bicycle
- 2 vehicles, 1 casualty
Ref 2020622000567
- Serious
Ford C-Max crash on the A4054 in Merthyr Tydfil, 15 Jan 2019, 13:04
- 1 vehicle, 1 casualty
Ref 2019621900091
- Slight
Vauxhall Astra crash on an unclassified road in Merthyr Tydfil, 6 Aug 2018, 14:20
- Vauxhall Astra and BMW 1 Series
- 2 vehicles, 1 casualty
Ref 2018621801006
- Slight
Audi TT crash on the A4054 in Merthyr Tydfil, 25 Oct 2017, 12:40
- Audi TT, Volkswagen Polo and BMW 1 Series
- 3 vehicles, 3 casualties
Ref 2017621701495
- Slight
Volkswagen Golf crash on the B4254 in Merthyr Tydfil, 8 Jul 2017, 18:15
- Volkswagen Golf and a bicycle
- 2 vehicles, 1 casualty
Ref 2017621701084
- Slight
Nissan Juke crash on an unclassified road in Rhondda Cynon Taf, 9 Dec 2016, 18:00
- 1 vehicle, 1 casualty
Ref 2016621602072
- Slight
Optare Versa crash on an unclassified road in Merthyr Tydfil, 19 Nov 2016, 21:57
- 1 vehicle, 1 casualty
Ref 2016621601923
- Slight
Ford Fiesta crash on the B4255 in Merthyr Tydfil, 16 May 2016, 17:16
- 2 Ford Fiestas
- 2 vehicles, 2 casualties
Ref 2016621600821
- Slight
Citroen Xsara crash on an unclassified road in Merthyr Tydfil, 24 Feb 2016, 19:10
- 1 vehicle, 1 casualty
Ref 2016621600411
- Slight
Volkswagen Polo crash on an unclassified road in Rhondda Cynon Taf, 19 Feb 2016, 12:00
- Volkswagen Polo and a bicycle
- 2 vehicles, 1 casualty
Ref 2016621600373
- Slight
Bus crash on the B4254 in Merthyr Tydfil, 4 Jul 2015, 13:39
- A bus or coach and a car
- 2 vehicles, 1 casualty
Ref 2015621501116
- Slight
Van crash on the A4054 in Merthyr Tydfil, 14 Jan 2015, 10:32
- A van and a car
- 2 vehicles, 1 casualty
Ref 2015621500117
- Slight
Hyundai Coupe crash on the A4054 in Merthyr Tydfil, 19 Nov 2014, 00:33
- Hyundai Coupe and BMW 3 Series
- 2 vehicles, 2 casualties
Ref 2014621500574
- Slight
Vauxhall Insignia crash on an unclassified road in Merthyr Tydfil, 30 Oct 2014, 13:13
- 1 vehicle, 1 casualty
Ref 2014621401969
- Slight
Hyundai i10 crash on the A4054 in Merthyr Tydfil, 19 Oct 2014, 12:50
- Hyundai i10 and a bicycle
- 2 vehicles, 1 casualty
Ref 2014621401929
- Slight
Vauxhall Zafira crash on an unclassified road in Merthyr Tydfil, 5 Sep 2014, 20:15
- 1 vehicle, 1 casualty
Ref 2014621401642
- Slight
Car crash on an unclassified road in Merthyr Tydfil, 12 Aug 2014, 18:46
- A car and a bicycle
- 2 vehicles, 1 casualty
Ref 2014621401507
- Slight
Vauxhall Corsa crash on an unclassified road in Merthyr Tydfil, 30 Sep 2013, 14:38
- Vauxhall Corsa and Renault Clio
- 2 vehicles, 2 casualties
Ref 2013621301772
- Slight
Car crash on the B4254 in Merthyr Tydfil, 12 Jul 2013, 18:30
- 1 vehicle, 1 casualty
Ref 2013621301233
- Slight
BMW 3 Series crash on the A4054 in Merthyr Tydfil, 19 Nov 2012, 17:24
- 1 vehicle, 1 casualty
Ref 2012621201397
- Slight
Ford Escort crash on the B4254 in Merthyr Tydfil, 26 Sep 2012, 19:45
- 1 vehicle, 1 casualty
Ref 2012621201208
- Slight
Fiat Bravo crash on the A4054 in Merthyr Tydfil, 19 Aug 2012, 12:30
- Fiat Bravo and a bicycle
- 2 vehicles, 1 casualty
Ref 2012621200815
- Slight
BMW 3 Series crash on the A4054 in Merthyr Tydfil, 7 Jul 2012, 21:30
- 1 vehicle, 1 casualty
Ref 2012621200571
- Slight
Ford Focus crash on an unclassified road in Merthyr Tydfil, 30 Mar 2012, 16:00
- Ford Focus and a car
- 2 vehicles, 1 casualty
Ref 2012620215316
- Slight
Bus crash on the B4254 in Merthyr Tydfil, 26 Jan 2012, 11:15
- 1 vehicle, 1 casualty
Ref 2012620214401
- Slight
Baotian BT 49 crash on an unclassified road in Merthyr Tydfil, 14 Jan 2012, 14:36
- Baotian BT 49 and a car
- 2 vehicles, 1 casualty
Ref 2012620214122
- Slight
Renault crash on the B4254 in Merthyr Tydfil, 14 Oct 2011, 19:26
- 1 vehicle, 4 casualties
Ref 2011620212215
- Slight
Ford Fiesta crash on an unclassified road in Merthyr Tydfil, 6 Oct 2011, 11:45
- Ford Fiesta and a car
- 2 vehicles, 2 casualties
Ref 2011620212080
- Slight
Vauxhall Corsa crash on the A4054 in Merthyr Tydfil, 30 Sep 2011, 10:26
- Vauxhall Corsa and Citroen Saxo
- 2 vehicles, 1 casualty
Ref 2011620211679
- Serious
Citroen C2 crash on an unclassified road in Merthyr Tydfil, 23 Jul 2011, 19:30
- 1 vehicle, 1 casualty
Ref 2011620210365
- Slight
Isuzu Trucks NQR crash on the A4054 in Merthyr Tydfil, 21 Jul 2011, 12:27
- Isuzu Trucks NQR and Citroen Xsara
- 2 vehicles, 1 casualty
Ref 2011620210349
- Slight
Volvo C 30 crash on an unclassified road in Merthyr Tydfil, 20 Jan 2011, 15:40
- 1 vehicle, 1 casualty
Ref 2011620206341
- Slight
Car crash on an unclassified road in Merthyr Tydfil, 3 Dec 2010, 20:30
- 2 cars
- 2 vehicles, 1 casualty
Ref 2010620205322
- Slight
Renault Megane crash on an unclassified road in Merthyr Tydfil, 9 Nov 2010, 13:45
- Renault Megane and Volkswagen Polo
- 2 vehicles, 2 casualties
Ref 2010620204989
- Slight
Volkswagen Golf crash on an unclassified road in Merthyr Tydfil, 8 Jul 2010, 13:30
- Volkswagen Golf and a car
- 2 vehicles, 1 casualty
Ref 2010620201733
- Serious
Motorcycle crash on an unclassified road in Merthyr Tydfil, 24 Apr 2010, 19:10
- 1 vehicle, 1 casualty
Ref 2010620201555
- Slight
Ford Mondeo crash on the B4254 in Merthyr Tydfil, 22 Apr 2010, 16:56
- 1 vehicle, 1 casualty
Ref 2010620199997
- Serious
Honda Civic crash on an unclassified road in Merthyr Tydfil, 24 Jan 2010, 13:31
- 1 vehicle, 1 casualty
Ref 2010620197420