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|---|---|---|---|---|
 Steeply rising ground alongside the A4054 near Tongwynlais | ||||
| Route information | ||||
| Length | 30.0 mi (48.3 km) | |||
| Major junctions | ||||
| South end | Llandaff | |||
 A4119  A470  A468  A473  A4058  A472  A4060  A4102 | ||||
| North end | Merthyr Tydfil | |||
| Location | ||||
| Country | United Kingdom | |||
| Constituent country | Wales | |||
| Primary destinations | Cardiff | |||
| Road network | ||||
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The A4054 is an A Road connecting Llandaff, Cardiff with Merthyr Tydfil in Wales and mostly follows the former route of the A470.
Settlements served by the road include:
A roads in Zone 4 of the Great Britain road numbering scheme | ||
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| Motorways and A roads |  | |
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| Pedestrian precincts and commercial streets | ||
| Bus | ||
| Cycling | ||
| Railway lines | ||
| Railway operators | ||
| Major railway stations | ||
| Other city railway stations | ||
| Air | ||
| Water | ||
| Proposed transport network |  South Wales Metro
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Transport in Rhondda Cynon Taf | ||
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| Roads |  | |
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Merthyr Tydfil is the main town in Merthyr Tydfil County Borough, Wales, administered by Merthyr Tydfil County Borough Council. It is about 23 miles (37 km) north of Cardiff. Often called just Merthyr, it is said to be named after Tydfil, daughter of King Brychan of Brycheiniog, who according to legend was slain at Merthyr by pagans about 480 CE. Merthyr generally means "martyr" in modern Welsh, but here closer to the Latin martyrium: a place of worship built over a martyr's relics. Similar place names in south Wales are Merthyr Cynog, Merthyr Dyfan and Merthyr Mawr.
Mid Glamorgan is a preserved county of Wales. From 1974 until 1996 it was also an administrative county with a county council.
The Taff Trail is a popular walking and cycle path that runs for 55 miles (89 km) between Cardiff Bay and Brecon in Wales. It is so named because it follows the course of the River Taff. Along much of its length, it follows the National Cycle Network Route 8 that continues to Holyhead, and is substantially off-road.
Merthyr Tydfil and Rhymney is a constituency represented in the House of Commons of the UK Parliament since 2015 by Gerald Jones of the Welsh Labour Party. It was established for the 1983 general election.
The Diocese of Llandaff is an Anglican diocese that traces its roots to pre-Reformation times as heir of a Catholic bishopric. It is headed by the Bishop of Llandaff, whose seat is located at the Cathedral Church of Saint Peter and Saint Paul in Llandaff, a suburb of Cardiff. It currently covers most of the former Welsh county of Glamorgan, but once stretched from the River Towy to the middle of the Wye Valley.
Vaynor is a village and community in Merthyr Tydfil County Borough in Wales, United Kingdom. The population of the community at the 2011 census was 3,551.
Merthyr Vale is a linear village and community in the Welsh county borough of Merthyr Tydfil. Lying on the A4054 road it is on the east bank of the River Taff.
Llandaff North, is a district, community and coterminous electoral ward in the north of Cardiff, the capital city of Wales.
Penydarren Ironworks was the fourth of the great ironworks established at Merthyr Tydfil in South Wales.
Gelligaer is a community in the County Borough of Caerphilly, Wales, in the Rhymney River valley. As well as the village of Gelligaer, the community also includes the small towns of Hengoed and Ystrad Mynach. The population of the community at the 2011 census was 18,408.
Merthyr Tydfil and Rhymney is a constituency of the Senedd. It elects one Member of the Senedd by the first past the post method of election. Also, however, it is one of eight constituencies in the South Wales East electoral region, which elects four additional members, in addition to eight constituency members, to produce a degree of proportional representation for the region as a whole.
Mount Pleasant is a small village in the south of Merthyr Tydfil County Borough, Wales. It lies about 1 km south of Merthyr Vale, along the A4054 road and between that road and the River Taff.
The A4060, also known as the East of Abercynon to East of Dowlais Trunk Road, is a trunk road in Wales.
The Taff Bargoed is a river and valley near Pontypridd in South Wales, and lies off the Abercynon roundabout on the A470 road, and is approximately 14 miles from Cardiff. The main settlements are Nelson, Edwardsville, Quakers Yard, Treharris, Trelewis, and Bedlinog. The valley is situated where the three County Boroughs of Caerphilly, Rhondda Cynon Taff, and Merthyr Tydfil meet.
Penydarren is a community and electoral ward in Merthyr Tydfil County Borough in Wales.
The former Merthyr Synagogue is located on Bryntirion Road in the Thomastown section of Merthyr Tydfil, Wales. It is a Grade II listed building and is the oldest purpose-built synagogue still standing in Wales.
Merthyr Tydfil College is a further education college located in Merthyr Tydfil, Wales. From May 2006 to April 2013, it was a constituent college of the University of Glamorgan and thereafter, a college of the University of South Wales.
Pant is a village and community on the outskirts of Merthyr Tydfil, a large former mining town in the South Wales Valleys, Wales. Pant is notable for being the starting point of the Brecon Mountain Railway, and the site of the former Morlais railway tunnel, which runs underneath the village and emerges in the middle of it. The population of the community at the 2011 census was 2,656.
Cefn-coed-y-cymmer is a small community on the northwestern edge of Merthyr Tydfil County Borough in Wales. It is situated in the neck of land between the rivers Taf Fawr and Taf Fechan at their confluence. The village lies within the community of Vaynor. Immediately to the north of the village is the hill of Cefn Cil Sanws on the southern slopes of which is Merthyr Tydfil Golf Club. The village is bounded both to the north and the west by the Brecon Beacons National Park.
Ynysgau Chapel was one of the earliest chapels in Merthyr Tydfil. The cause dated back to 1749 and services were held in the Welsh language. The chapel was demolished in 1967 as part of the Merthyr Town Improvement Scheme.
