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The A487, officially the Fishguard to Bangor Trunk Road, is a trunk road in
Wales Wales ( cy, Cymru ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by England to the Wales–England border, east, the Irish Sea to the north and west, the Celtic Sea to the south west and the ...
that follows the coast from
Haverfordwest Haverfordwest (, ; cy, Hwlffordd ) is the county town of Pembrokeshire, Wales, and the most populous urban area in Pembrokeshire with a population of 14,596 in 2011. It is also a community, being the second most populous community in the county, ...
,
Pembrokeshire Pembrokeshire ( ; cy, Sir Benfro ) is a Local government in Wales#Principal areas, county in the South West Wales, south-west of Wales. It is bordered by Carmarthenshire to the east, Ceredigion to the northeast, and the rest by sea. The count ...
, in the south, to Bangor,
Gwynedd Gwynedd (; ) is a county and preserved county (latter with differing boundaries; includes the Isle of Anglesey) in the north-west of Wales. It shares borders with Powys, Conwy County Borough, Denbighshire, Anglesey over the Menai Strait, and C ...
, in the north.


Route

The road starts at a junction with the A40 in Haverfordwest and travels northwest to
St David's St Davids or St David's ( cy, Tyddewi, ,  "David's house”) is a city and a community (named St Davids and the Cathedral Close) with a cathedral in Pembrokeshire, Wales, lying on the River Alun. It is the resting place of Saint David, Wa ...
to switch northeast through
Fishguard Fishguard ( cy, Abergwaun, meaning "Mouth of the River Gwaun") is a coastal town in Pembrokeshire, Wales, with a population of 3,419 in 2011; the community of Fishguard and Goodwick had a population of 5,407. Modern Fishguard consists of two pa ...
, Cardigan,
Aberaeron Aberaeron, previously anglicised as Aberayron, is a town, community, and electoral ward between Aberystwyth and Cardigan, in Ceredigion, Wales. Ceredigion County Council offices are in Aberaeron. The name of the town is Welsh for ''mouth of the ...
,
Aberystwyth Aberystwyth () is a university and seaside town as well as a community in Ceredigion, Wales. Located in the historic county of Cardiganshire, means "the mouth of the Ystwyth". Aberystwyth University has been a major educational location in ...
,
Machynlleth Machynlleth () is a market town, community and electoral ward in Powys, Wales and within the historic boundaries of Montgomeryshire. It is in the Dyfi Valley at the intersection of the A487 and the A489 roads. At the 2001 Census it had a popul ...
and
Corris Corris is a village in the county of Gwynedd, Wales, about north of the town of Machynlleth. The village lies on the west bank of the Afon Dulas (which here forms the boundary with Powys), around that river's confluence with the Afon Deri ...
. Through the town of Fishguard, the road width in places is a very narrow single lane, leading to many traffic issues, especially with heavy goods vehicles (HGVs). From 2010, articulated HGVs were diverted from the section between Cardigan and Fishguard because of this, and routed instead via the
A478 road The A478 road is a major road in Wales. The route is from its junction with the A487 at Cardigan, Ceredigion, to Tenby, Pembrokeshire. It crosses the Preseli Hills and winds through farmland for almost all of its route. The road just touches t ...
to Penblewin, then the A40 to Fishguard via Haverfordwest. However, there were still problems to some extent. The road continues to
Dolgellau Dolgellau () is a town and community in Gwynedd, north-west Wales, lying on the River Wnion, a tributary of the River Mawddach. It was the traditional county town of the historic county of Merionethshire ( cy, Meirionnydd, Sir Feirionnydd) un ...
multiplexing In telecommunications and computer networking, multiplexing (sometimes contracted to muxing) is a method by which multiple analog or digital signals are combined into one signal over a shared medium. The aim is to share a scarce resource - a ...
with the
A470 The A470 (also named the Cardiff to Glan Conwy Trunk Road) is a trunk road in Wales. It is the country's longest road at and links the capital Cardiff on the south coast to Llandudno on the north coast. While previously one had to navigat ...
north of the Cross Foxes inn. After Dolgellau, the road continues to multiplex with the A470, re-emerging just north of
Trawsfynydd Trawsfynydd (; Welsh for "across hemountain") is a linear village in Gwynedd, Wales, near Llyn Trawsfynydd reservoir, and adjacent to the A470 north of Bronaber and Dolgellau and 10 km (6 miles) south of Blaenau Ffestiniog. The total com ...
then passing through
Penrhyndeudraeth Penrhyndeudraeth (; ) is a small town and community in the Welsh county of Gwynedd. The town is close to the mouth of the River Dwyryd on the A487 nearly east of Porthmadog, and had a population of 2,150 at the 2011 census, increased from 2,0 ...
and
Porthmadog Porthmadog (; ), originally Portmadoc until 1974 and locally as "Port", is a Welsh coastal town and community in the Eifionydd area of Gwynedd and the historic county of Caernarfonshire. It lies east of Criccieth, south-west of Blaenau Ffest ...
. The road terminates where it meets the
Menai Suspension Bridge The Menai Suspension Bridge ( cy, Pont y Borth, Pont Grog y Borth) is a suspension bridge spanning the Menai Strait between the island of Anglesey and the mainland of Wales. Designed by Thomas Telford and completed in 1826, it was the world's f ...
near Bangor.


History

The section of road in the Dulas valley between the
River Dyfi The River Dyfi ( cy, Afon Dyfi; ), also known as the River Dovey (; ), is an approximately long river in Wales. Its large estuary forms the boundary between the counties of Gwynedd and Ceredigion, and its lower reaches have historically been c ...
near
Machynlleth Machynlleth () is a market town, community and electoral ward in Powys, Wales and within the historic boundaries of Montgomeryshire. It is in the Dyfi Valley at the intersection of the A487 and the A489 roads. At the 2001 Census it had a popul ...
and Corris was built in the 1840s at the instigation of the local slate quarry owners to replace the old turnpike road on the opposite side of the valley. It may have utilised part of the formation of the Roman
Sarn Helen Sarn Helen refers to several stretches of Roman road in Wales. The route, which follows a meandering course through central Wales, connects Aberconwy in the north with Carmarthen in the west. Despite its length, academic debate continues as t ...
. From 1859, the narrow-gauge
Corris Railway The Corris Railway ( cy, Rheilffordd Corris) is a narrow gauge preserved railway based in Corris on the border between Merionethshire (now Gwynedd) and Montgomeryshire (now Powys) in Mid-Wales. The line opened in 1859 as a horse tramway, runni ...
followed the same route. The site of
Dolgellau railway station Dolgellau railway station () in Gwynedd, North Wales, was a station on the Ruabon to Barmouth line, originally the terminus of a Cambrian Railways branch from Barmouth Junction, then linked by the Great Western Railway to Bala and Ruabon. Th ...
, along with approximately of
trackbed The track bed or trackbed is the groundwork onto which a railway track is laid. Trackbeds of disused railways are sometimes used for recreational paths or new light rail links. According to Network Rail, the trackbed is the layers of ballast a ...
of the
Ruabon–Barmouth line The Ruabon–Barmouth line was a standard-gauge line owned by the Great Western Railway across the north of Wales which connected Ruabon, in the east, with Barmouth on the west coast. Connections * At Ruabon, the line connected with the Shrews ...
, was used to construct the Dolgellau bypass in the late 1970s. In 1989–90, Cardigan was bypassed south of the town with a new Priory Bridge over the
River Teifi , name_etymology = , image = File:Llyn Teifi - geograph.org.uk - 41773.jpg , image_size = , image_caption = Llyn Teifi, the source of the Teifi , map = , map_size = , map_caption ...
and a short 3-lane section between the bridge and the junction with the A478. A bypass was opened in 1994 avoiding
Y Felinheli Y Felinheli (), formerly known in English as Port Dinorwic, is a village and community beside the Menai Strait ( cy, Y Fenai or ''Afon Menai'') between Bangor and Caernarfon in Gwynedd, northwest Wales. History Toponymy Etymologically, its ...
on the section between
Caernarfon Caernarfon (; ) is a royal town, community and port in Gwynedd, Wales, with a population of 9,852 (with Caeathro). It lies along the A487 road, on the eastern shore of the Menai Strait, opposite the Isle of Anglesey. The city of Bangor is ...
and Bangor. Between Penrhyndeudraeth and Porthmadog, the road passed over a mile-long embankment, known as The Cob. Until 2003, drivers had to pay a charge to cross The Cob. In 2008 the
Welsh Assembly Government Welsh may refer to: Related to Wales * Welsh, referring or related to Wales * Welsh language, a Brittonic Celtic language spoken in Wales * Welsh people People * Welsh (surname) * Sometimes used as a synonym for the ancient Britons (Celtic peopl ...
published plans for the Porthmadog,
Minffordd Minffordd (''roadside'' in Welsh) is a village within the Welsh county of Gwynedd. It is situated on the A487 road between Porthmadog and Penrhyndeudraeth, and in the community of the latter. The village has two adjacent railway stations, which ...
and
Tremadog Tremadog (formerly Tremadoc) is a village in the community of Porthmadog, in Gwynedd, north west Wales; about north of Porthmadog town-centre. It was a planned settlement, founded by William Madocks, who bought the land in 1798. The centre of ...
bypass, which would reduce the amount of through traffic in the town. Work started on the project in 2010, the route of which passes under the
Ffestiniog Railway The Ffestiniog Railway ( cy, Rheilffordd Ffestiniog) is a heritage railway based on narrow-gauge, located in Gwynedd, Wales. It is a major tourist attraction located mainly within the Snowdonia National Park. The railway is roughly long an ...
, and then crosses over the
Welsh Highland Railway The Welsh Highland Railway (WHR) or Rheilffordd Eryri is a long, restored narrow gauge heritage railway in the Welsh county of Gwynedd, operating from Caernarfon to Porthmadog, and passing through a number of popular tourist destinations in ...
. The original route over The Cob was renumbered as the A4971. The Porthmadog bypass was officially opened on 17 October 2011. The section between Porthmadog and Llanwnda has been improved. The new section bypasses
Llanllyfni Llanllyfni () is a village and a community in Gwynedd, Wales. It is in the historic county of Caernarfonshire. The community consists of the villages of Drws-y-coed, Nantlle, Nasareth, Nebo, Penygroes, Talysarn and the village of Llanllyfni ...
and Penygroes, in parts utilizing the old trackbed of the Caernarfon to Afon Wen railway line. In April 2007, the new section had to be resurfaced in its entirety after it became apparent that the wrong type of stone had been used for the surface tarmac. A
bat bridge A bat bridge is a structure of varying construction crossing a new or altered road to aid the navigation of bats following the destruction of a hedgerow, and to cause the bats to cross the roadway at a sufficient height to avoid traffic. Bats are ...
was built over the
Groeslon Groeslon (; Welsh: ''Y Groeslon'', "the crossroads") is a small village in the community of Llandwrog in the Welsh traditional county of Caernarfonshire. Groeslon is administered by Gwynedd Council. The population was 880 at the 2011 census ...
bypass in 2010 to guide lesser horseshoe bats across the road. The preferred route for the £100m Caernarfon-Bontnewydd bypass had been announced; Caernarfon from the northern end of the Pen-y-groes bypass to the western end of the Y Felinheli bypass. This bypass was under construction in 2021 and opened 19 February 2022. In 2018,
Pembrokeshire County Council Pembrokeshire County Council ( cy, Cyngor Sir Penfro) is the governing body for Pembrokeshire, one of the Principal Areas of Wales. Political control The first election to the council was held in 1995, initially operating as a shadow authorit ...
proposed to build a bypass to the east of Newgale which would replace the road section which was flooded during the
2013–14 United Kingdom winter floods The 2013–2014 United Kingdom winter floods saw areas of Ireland and the United Kingdom inundated following severe storms. The south of England saw heavy rainfalls associated with these storms which caused widespread flooding, power cuts and m ...
.


See also

*
Trunk roads in Wales Trunk roads in Wales ( cy, cefnffyrdd yng Nghymru) were created in the Trunk Roads Act of 1936 when the UK Ministry of Transport took direct control over 30 of the principal roads in Great Britain from English, Welsh and Scottish local authoriti ...
* Pont ar Dyfi


References


External links

* {{DEFAULTSORT:4-0487 Roads in Ceredigion Roads in Pembrokeshire Roads in Gwynedd