Gwynedd Council

Gwynedd Council is the Highway Authority responsible for all public roads in the Gwynedd principal area other than those managed by the North and Mid Wales Trunk Road Agent (NMWTRA) on behalf of the Welsh Government.

Primary Destinations

The following Primary Destinations are located within the council area:

• Bala
• Bangor
• Caernarfon
• Porthmadog

Trunk Roads

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

• A5 (south of A55)
• A55
• A458
• A470
• A487
• A494

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
A5	London	Holyhead	252 miles	View
A487	Haverfordwest	Menai Bridge	173.8 miles	View
A493	Dolgellau	Machynlleth	33.3 miles	View
A496	Llanelltyd	Blaenau Ffestiniog	32.8 miles	View
A497	Minfford	Nefyn	22.5 miles	View
A498	Porthmadog	Pen-y-Gwryd	14.8 miles	View
A499	Llanwnda	Abersoch	23.7 miles	View
A4085	Penrhyndeudraeth	Caernarfon	19.7 miles	View
A4086	Caernarfon	Capel Curig	17.9 miles	View
A4087	Bangor	Capel-y-Graig	3.2 miles	View
A4212	Trawsfynydd	Bala	17.3 miles	View
A4244	Brynrefail	Llys-y-gwynt	6.6 miles	View
A4971	Bodawen	Porthmadog	2.5 miles	View
B4354	Chwilog(E)	Tan-y-graig	9.2 miles	View
B4366	Caernarfon	Groeslon roundabout	5.3 miles	View
B4391	Pont Tal-y-bont	Pont Felin Newydd	39.7 miles	View
B4401	Tre'r-Llan	Corwen	11.0 miles	View
B4402	Pont Caletwr	Bethel	3.5 miles	View
B4403	Llanuwchllyn	Pont Mwngwl-y-llyn, Bala	5.2 miles	View
B4404	Pont Felin-y-ffridd	Cemmaes Road	4.4 miles	View
B4405	Minffordd	Bryncrug	9.9 miles	View
B4407	Pont yr Afon Gam	Pentrefoelas (W)	9.9 miles	View
B4409	Bethesda	Glasinfryn	3.2 miles	View
B4410	Tan-y-bwlch	Prenteg	5.4 miles	View
B4411	Glan-Dwyfach	Criccieth	4.3 miles	View
B4412	Bryncynan Inn	Morfa Nefyn	1.1 miles	View
B4413	Aberdaron	Llanbedrog	12.7 miles	View
B4415	Nanhoron	Efailnewydd	6.1 miles	View
B4416	Pont ar Ddibyn	Bont Newydd	2.1 miles	View
B4417	Pen-y-groeslon	Llanaelhaearn	16.2 miles	View
B4418	Penygroes	Rhyd Ddu	7.5 miles	View
B4419	Victoria Dock, Caernarfon	St David's Road roundabout	0.86 miles	View
B4501	Fron-goch	Denbigh	24.3 miles	View
B4547	Capel-y-graig	Groeslon roundabout	2.1 miles	View
B4573	Harlech	Glan-y-wern	3.7 miles	View
B5107	Caernarfon Road	Holyhead Road	0.1 miles	View

Junctions

Main Article: Gwynedd Council (Junctions)

Bridges, Tunnels, and other Crossings

Main Article: Gwynedd Council (Crossings)

Links

• Gwynedd Council website