A4042 road

A4042
Major junctions
North end	Abergavenny
Major intersections	A40 A465 A472 A4051 M4J25a A48
South end	Newport
Location
Country	United Kingdom
Primary destinations	Cwmbrân
Road network
Roads in the United Kingdom Motorways A and B road zones
←A4041 →A4043

TheA4042is atrunk roadthat runs fromAbergavennytoNewportin south Wales.

Route

Starting at the junction of theA40andA465south of Abergavenny, the A4042 travels south towardsLittle Millnorth ofPontypool.This section is a single carriageway and is winding and undulating. From Little Mill onwards the road isdual carriageway,bypassing Pontypool andCwmbranbefore crossing the city boundary into Newport. The road has a junction (25A) with theM4 motorwayand south from there loses its primary status and becomes an urban road. The first section of which, Heidenheim Drive (named after one of Newport'stwin towns), is an elevated roadway through theCrindaudistrict. The road then becomes the Kingsway that passes through Newport city centre, and continues on as Usk Way until its junction with theA48Southern Distributor Roadto the south of Newport.

Junctions

A4042
Northbound exits	Junction	Southbound exits
Merthyr Tydfil,HerefordA465 Abergavenny,Brecon,MonmouthA40	Ysbytty Fields Roundabout	Start of A4042
LlanfoistB4269	Llanellen Junction	Llanfoist B4269
UskA472	Little Mill Junction	Usk,Little MillA472
Mamhilad	Mamhilad Roundabout	Mamhilad
New Inn	New Inn Roundabout	New Inn
PontypoolA472 (A4043)	Pontymoile Roundabout	Pontypool A472 (A4043)
CwmbranA4051 New Inn	Craig-y- Felin	New Inn Cwmbran A4051
Croesyceiliog	Croesyceiliog Roundabout	Croesyceiliog
Croesyceiliog CaerleonB4236	Turnpike Roundabout	Caerleon B4236
Llantarnam Cwmbran	Crown Roundabout	Llantarnam Cwmbran
Cwmbran A4051	Croes-y-Mwyalch	CardiffA4051 (M4(W))
Start of A4042	Grove Park	London,ChepstowA4042 (M4 (E))
A4042
Northbound exits	Junction / Interchange	Southbound exits
London, Chepstow A4042 (M4 (E)) Caerleon B4596	Grove Park	Start of A4042
Cardiff A4051 (M4 (W))	Harlequin	Cardiff A4051 (M4 (W)) City Centre
Civic CentreB4591 Exit only	Old Green Interchange	Access only
Cattle market Old Town Docks	Octopus Bridge	Old Town Docks Superstore
Start of A4042	Old Town Dock	(M4 (E)), Pilgwenlly,Docks,(M4 (W))A48
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Incomplete access

See also

• Trunk roads in Wales

External links

• Media related toA4042 road (Wales)at Wikimedia Commons