The A4042 is a trunk road that runs from

Abergavenny Abergavenny (; cy, Y Fenni , archaically ''Abergafenni'' meaning "mouth of the River Gavenny") is a market town and community in Monmouthshire, Wales. Abergavenny is promoted as a ''Gateway to Wales''; it is approximately from the border wit ...

to Newport in south Wales.

Route

Starting at the junction of the A40 and

A465 The A465 is a trunk road that runs from Bromyard in Herefordshire, England to Llandarcy near Swansea in South Wales. The western half is known officially as the Neath to Abergavenny Trunk Road, but the section from Abergavenny to the Vale of N ...

south of Abergavenny, the A4042 travels south towards Little Mill north of

Pontypool Pontypool ( cy, Pont-y-pŵl ) is a town and the administrative centre of the county borough of Torfaen, within the historic boundaries of Monmouthshire in South Wales. It has a population of 28,970. Location It is situated on the Afon Lwyd r ...

. This section is a single carriageway and is winding and undulating. From Little Mill onwards the road is

dual carriageway A dual carriageway ( BE) or divided highway ( AE) is a class of highway with carriageways for traffic travelling in opposite directions separated by a central reservation (BrE) or median (AmE). Roads with two or more carriageways which are ...

, bypassing Pontypool and

Cwmbran Cwmbran ( ; cy, Cwmbrân , also in use as an alternative spelling in English) is a town in the county borough of Torfaen in South Wales. Lying within the historic boundaries of Monmouthshire, Cwmbran was designated as a New Town in 1949 to prov ...

before crossing the city boundary into Newport. The road has a junction (25A) with the

M4 motorway The M4, originally the London-South Wales Motorway, is a motorway in the United Kingdom running from west London to southwest Wales. The English section to the Severn Bridge was constructed between 1961 and 1971; the Welsh element was largely ...

and south from there loses its primary status and becomes an urban road. The first section of which, Heidenheim Drive (named after one of Newport's

twin towns A sister city or a twin town relationship is a form of legal or social agreement between two geographically and politically distinct localities for the purpose of promoting cultural and commercial ties. While there are early examples of inter ...

), is an elevated roadway through the

Crindau Crindau () is a Victorian inner-city area just north of the city centre in Newport in south-east Wales. It lies within the Shaftesbury electoral district (ward) and community (parish). Crindau is roughly bounded by the Monmouthshire canal to t ...

district. The road then becomes the Kingsway that passes through Newport city centre, and continues on as Usk Way until its junction with the A48

Southern Distributor Road The Southern Distributor Road (SDR) is a principal distributor road in Newport that runs from the Coldra roundabout ( M4 junction 24) in the east of Newport to Tredegar Park M4 Junction 28) in the west of Newport and includes City Bridge, a ...

to the south of Newport.

Junctions

{, class="wikitable" , - align="center" bgcolor="#00703C" style="color: #ffd200;font-size:120%;" , colspan="3" , A4042 , - align="center" !scope=col, Northbound exits !scope=col, Junction !scope=col, Southbound exits , - align='center' ,

Merthyr Tydfil Merthyr Tydfil (; cy, Merthyr Tudful ) is the main town in Merthyr Tydfil County Borough, Wales, administered by Merthyr Tydfil County Borough Council. It is about north of Cardiff. Often called just Merthyr, it is said to be named after T ...

Hereford Hereford () is a cathedral city, civil parish and the county town of Herefordshire, England. It lies on the River Wye, approximately east of the border with Wales, south-west of Worcester, England, Worcester and north-west of Gloucester. ...

Brecon Brecon (; cy, Aberhonddu; ), archaically known as Brecknock, is a market town in Powys, mid Wales. In 1841, it had a population of 5,701. The population in 2001 was 7,901, increasing to 8,250 at the 2011 census. Historically it was the c ...

Monmouth Monmouth ( , ; cy, Trefynwy meaning "town on the Monnow") is a town and community in Wales. It is situated where the River Monnow joins the River Wye, from the Wales–England border. Monmouth is northeast of Cardiff, and west of London. ...

A40 , Ysbytty Fields Roundabout , ''Start of A4042'' , - align='center' ,

Llanfoist Llanfoist ( cy, Llan-ffwyst) is both a village near Abergavenny, in Monmouthshire, Wales, and the community of Llanfoist Fawr. Llanfoist derives from ''Ffwyst'', an early Christian Welsh saint, although the anglicised version of the church pa ...

B4269 , Llanellen Junction , Llanfoist B4269 , - align='center' , Usk A472 , Little Mill Junction , Usk, Little Mill A472 , - align='center' ,

Mamhilad Mamhilad ( cy, Mamheilad) is a village in the community of Goetre Fawr in Monmouthshire, south east Wales. Location Mamhilad is two miles to the north east of Pontypool, Torfaen County Borough. History and amenities Mamhilad has a pub ca ...

, Mamhilad Roundabout , Mamhilad , - align='center' , New Inn , New Inn Roundabout , New Inn , - align='center' ,

A472 ( A4043) , Pontymoile Roundabout , Pontypool A472 (A4043) , - align='center' ,

A4051
New Inn , Craig-y- Felin , New Inn
Cwmbran A4051 , - align='center' ,

Croesyceiliog Croesyceiliog (, ''Cockerel's Cross'') is a suburb of Cwmbran, Wales. Housing Croesyceiliog is primarily a residential district and contains a wide variety of housing from Victorian terraces and even older Welsh cottages to property built bet ...

, Croesyceiliog Roundabout , Croesyceiliog , - align='center' , Croesyceiliog

Caerleon Caerleon (; cy, Caerllion) is a town and community in Newport, Wales. Situated on the River Usk, it lies northeast of Newport city centre, and southeast of Cwmbran. Caerleon is of archaeological importance, being the site of a notable Roman ...

B4236 , Turnpike Roundabout , Caerleon B4236 , - align='center' ,

Llantarnam Llantarnam ( cy, Llanfihangel Llantarnam) is a suburban village of Cwmbran, and is a community and electoral ward in the county borough of Torfaen in south east Wales. The ward covers the same area as the community, but also includes Southville. ...

Cwmbran , Crown Roundabout , Llantarnam
Cwmbran , - align='center' , Cwmbran A4051 , Croes-y-Mwyalch ,

Cardiff Cardiff (; cy, Caerdydd ) is the capital city, capital and List of urban areas in the United Kingdom, largest city of Wales. It forms a Principal areas of Wales, principal area, officially known as the City and County of Cardiff ( cy, Dinas a ...

A4051 ( M4 (W)) , - align='center' , ''Start of A4042'' , Grove Park ,

London London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...

Chepstow Chepstow ( cy, Cas-gwent) is a town and community in Monmouthshire, Wales, adjoining the border with Gloucestershire, England. It is located on the tidal River Wye, about above its confluence with the River Severn, and adjoining the wester ...

A4042 (M4 (E)) , - align="center" bgcolor="white" style="color: black;font-size:120%;" style="font-size:120%; border-top: black 2px solid;" , colspan=3 , A4042 , - ! Northbound exits ! Junction / Interchange ! Southbound exits , - align='center' , London, Chepstow A4042 (M4 (E))
Caerleon B4596 , Grove Park , Start of A4042 , - align='center' , Cardiff A4051 (M4 (W)) , Harlequin , Cardiff A4051 (M4 (W))

City Centre A city centre is the commercial, cultural and often the historical, political, and geographic heart of a city. The term "city centre" is primarily used in British English, and closely equivalent terms exist in other languages, such as "" in Fren ...

, - align='center' , Civic Centre B4591
Exit only , Old Green Interchange , Access only , - align='center' , Cattle market
Old Town Docks , Octopus Bridge , Old Town Docks
Superstore , - align='center' , ''Start of A4042'' , Old Town Dock , (M4 (E)), Pilgwenlly, Docks, (M4 (W)) A48

References

External links

* {{DEFAULTSORT:4-4042 Roads in Monmouthshire Roads in Torfaen Roads in Newport, Wales

Route

Junctions

See also

References

External links