Cardiff Council

This article is about the Highway Authority based around the city.
For the city in South Wales, see Cardiff.

The City of Cardiff Council is the Highway Authority responsible for all public roads in the City and County of Cardiff principal area, other than those managed by the South Wales Trunk Road Agent (SWTRA) on behalf of the Welsh Government.

Primary Destinations

The following Primary Destinations are located within the council area:

• Cardiff

Trunk Roads

The following roads that run through the council area are at least partially Trunk Roads, and therefore managed by the South Wales Trunk Road Agent:

• M4
• A48(M)
• A48
• A470
• A4232

Principal and Classified Numbered Roads

The following is a list of A and B classified roads that are at least partially managed by the council:

Route	From	To	Length
A48	Highnam, Gloucester	Carmarthen	119 miles	View
A469	Roath, Cardiff	Bute Town	24.5 miles	View
A470	Cardiff	Llandudno	185.1 miles	View
A4054	Llandaff	Merthyr Tydfil	26.2 miles	View
A4055	Penarth	Barry Island	8.0 miles	View
A4119	Tonypandy	Cardiff Bay	20.7 miles	View
A4160	Cardiff	Penarth	4.6 miles	View
A4161	Llanedeyrn	Waungron Park	5.4 miles	View
A4232	Cardiff West	Cardiff Gate	17.8 miles	View
A4234	Adam Street	Queen's Gate	0.9 miles	View
B4239	Rumney	Maes-glas	9.4 miles	View
B4261	Newport Road	Crwys Road	0.6 miles	View
B4262	Radyr	Taff's Well	2.3 miles	View
B4267	Palmerstown	Llandaff	9.1 miles	View
B4487	Roath	St Mellons	4.3 miles	View
B4488	Waun-gron Park	Llandaff Fields	0.9 miles	View
B4562	Llanishen	St Mellons	5.0 miles	View

Junctions

Main Article: Cardiff Council (Junctions)

Bridges, Tunnels, and other Crossings

Main Article: Cardiff Council (Crossings)

External links

• City of Cardiff Council website