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The current Trunk Road Network in Wales

Trunk roads in Waleswere created in the Trunk Roads Act of 1936 when the UKMinistry of Transporttook direct control over 30 of the principal roads inGreat BritainfromEnglish,WelshandScottish local authorities.The number of trunk roads was increased from 30 to 101 in the Trunk Roads Act of 1946. These roads formed what the Act called "the national system of routes for through traffic". SinceWelsh devolutionthe trunk road system in Wales has been managed by theSouth Wales Trunk Road Agentand theNorth and Mid Wales Trunk Road Agenton behalf of theWelsh Government.As of April 2019, out of a total of 34,850 miles (56,090 km) of roads in Wales, 1,576 miles (2,536 km) are trunk roads (including 135 miles (217 km) ofmotorwaysand as of 2015 350 miles (560 km) ofdual carriageway).[1][2]

Historically, trunk roads have been listed on maps with a "(T)" after their number, to distinguish them from non-trunk parts of the same road. However, this suffix is no longer included on currentOrdnance Surveymaps. The North and Mid Wales Trunk Road Agent still use it to distinguish the trunk road from a non-trunk road.[3]When a trunk road had been improved by a motorway, bypass or a similar route, it may be de-trunked. When a road is de-trunked, signposts are often replaced, and sometimes route numbers are changed, making the original road harder to follow. TheLondon–FishguardTrunk Road in 1936 only included theA48and theA40.With road improvements, most notably theM4 motorway,much of both the A48 and the A40 has been de-trunked[4][5]

Under UK Parliamentary control

[edit]

The 1936 Act came into force in Wales on 1 April 1937 and created 30 trunk roads in Great Britain, with 5 roads either completely or partially within Wales. The Act excluded roads in theCounty of LondonandNorthern Ireland.The 1946 Act came into force in Wales on 1 April 1946 and produced a further 71 with 11 either completely or partially within Wales. This Act included roads within the County of London, but still excluded theCity of London.

Trunk roads in Wales created by the Trunk Road Act 1936
Trunk road number Route of trunk road Name of trunk road
including road classification
10
 From London–Chepstow–CaerwentBypass–PenhowBypass–LlanbederBypass–Newport–St Mellons–Cardiff–Cowbridge–BridgendBypass–Port Talbot–Neath–Swansea–Penllergaer–Pontarddulais–LlanddarogBypass–Carmarthen–St Clears–Whitland–Haverfordwest–Wolf's Castle–Fishguard Harbour. London–FishguardTrunk Road (A40,A48)
11
 From London–Chirk–Llangollen–Corwen–Cerrigydrudion–Betws-y-Coed–Bethesda–Llandygai–Bangor–Llanfairpwllgwyngyll–Gwalchmai–Valley–Holyhead Harbour. London–HolyheadTrunk Road (A5)
17
 Newport–Croesyceiliog–North West ofPontypool Road Station-Pont y Pia–Penperlleni–Llanellen–Coldbrook Park-Abergavenny–Llantilio Pertholey–Pandy–toShrewsbury Newport–ShrewsburyTrunk Road (A4042,A472,A40,A465)
18
 Swansea–Penllergaer–Pontarddulais–Fforest–Tycroes–Ammanford–Llandybie–Llandeilo–Llanwrda–Llandovery Station–Llanwrtyd Wells–Beulah–Garth–Builth Wells–Llandrindod Wells–Llanbister–Maes-yr-helm–Gwynant–Dolfor–Glascoed–Newtown–Garthmyl–Welshpool–Llanymynech–Oswestry–Gobowen–Chirk–Plas Offa–The Green–Ruabon–Wrexham–to Manchester Swansea–ManchesterTrunk Road (A483,A48,A5,A539)
19
 FromChester–Saltney–Hawarden–NorthopBypass–HolywellBypass–St Asaph–Abergele–Colwyn Bay–MochdreBypass–Conwy–Penmaenmawr–Llandygai Chester–BangorTrunk Road (A55)
Sources:Legislation.gov.uk,Trunk Roads Act 1936[6]Leslie V Watson,Trunk Roads Act 1936 and 1946[7]What Do They Know,Welsh Government: List of Welsh Government Roads and Classifications[8]
Trunk Roads in Wales created by the Trunk Road Act 1946
Trunk road number Route of trunk road Name of trunk road
including road classification
75
 Cardiff–Pontypridd–Merthyr Tydfil–Brecon–Pont-y-bat Crossroads–Llyswen–Builth Wells–Newbridge-on-Wye–Rhayader–Llangurig Cardiff–LlangurigTrunk Road (A470,A40,A438,A4073, A479,A44)
76
 Neath–Glynneath–Hirwaun–Merthyr Tydfil–Tredegar–Brynmawr–Abergavenny Neath–AbergavennyTrunk Road (A465)
77
 Raglan–Abergavenny–Brecon–Sennybridge–Llandovery Raglan–LlandoveryTrunk Road (A40)
78
 Newport–Caerleon–Usk–Raglan–Monmouth–Wilton–Ross-on-Wye–Ledbury–Great Malvern–Worcester Newport–Worcester Trunk Road (A449,A40,A4136,A466,A449)
79
 Llandeilo–Carmarthen Llandilo–Carmarthen Trunk Road (A40)
80
 Haverfordwest–Milford Haven Haverfordwest–Milford Haven Trunk Road (A4076)
81
 Fishguard–Cardigan–Aberaeron–Aberystwyth–Machynlleth–Dolgellau–Maentwrog–Penrhyndeudraeth–Minffordd–West ofTremadog–Llanwnda–Caernarfon–North-east ofPort Dinorwic–Menai Suspension Bridge Fishguard–Bangor (Menai Suspension Bridge) Trunk Road (A487, A497, A498, A4085, A499, A4087)
82
 Newtown–Llanidloes–Llangurig–Ponterwyd–Aberystwyth Newtown–AberystwythTrunk Road (A492, A44)
83
 West ofShrewsbury(Shelton)–Middletown–Buttington–Welshpool–Llanfair Caereinion–Mailwyd–Cross Foxes Shrewsbury–DolgellauTrunk Road (A458)
84
 Dolgellau–Bala–Druid–Tyn y Cefn–Mold–Ewloe–Queensferry–to South ofBirkenhead Dolgellau–South ofBirkenheadTrunk Road (A494,A549, B5123, A550, A548)
85
 Felin Ty’n y Nant–Ffestiniog railway station–Ffestiniog–Manod railway station–Blaenau Ffestiniog–Dolwyddelan–Waterloo Bridge–Betws-y-Coed–Llanrwst–North ofGlan Conwy Maentwrog–East ofConwyTrunk Road (B4408, B4395, B4408,A496)
Sources:Legislation.gov.uk,Trunk Roads Act 1946[9]Leslie V Watson,Trunk Roads Act 1936 and 1946[7]What Do They Know,Welsh Government: List of Welsh Government Roads and Classifications[8]
Trunk Roads in Wales created since 1946
Trunk road number Route of trunk road Name of trunk road
including road classification
104
 Glanusk Park–Llyswen Glanusk Park(Crickhowell)–LlyswenTrunk Road (A479)
105
 Caersws–Machynlleth Caersws–MachynllethTrunk RoadA489
106
 Cemmaes Road–Mallwyd Cemmaes Road–MallwydTrunk RoadA489
107
 Pentrebach–Dowlais East ofAbercynon–East ofDowlaisTrunk RoadA4060
122
 St Clears–Red Roses–Kilgetty–Pembroke Dock East ofSt Clears–Pembroke DockTrunk RoadA477
Source:What Do They Know,Welsh Government: List of Welsh Government Roads and Classifications[8]

A review of roads was carried out in 1997–1998 by theWelsh Office,which was part of theGovernment of the United Kingdom.It reviewed the existing trunk road network and identified routes that were of national strategic importance. The factors for deciding which routes should be retained in the core (trunk) network included:

  • Providing links between main centres of population, industry, tourist areas and important communities.
  • Promoting safe, secure, predictable, and rapid movement of people and goods throughout Wales.
  • Providing access to major seaports, airports, rail and bus terminals.
  • Providing cross-border links to the English network
  • Being part of the UKTrans-European road network.[10]

These factors were published in the Government'swhite paper"A New Deal for Transport" in July 1998.[11]

Under Welsh Parliamentary control

[edit]
The twoEuropean routesin Wales (E30in the south andE22in the north) are also trunk roads

TheNational Assembly for Walestook responsibility for devolved powers on 1 July 1999,[12]as part of this process, transport was transferred from theParliament of the United Kingdomto theNational Assembly for Walesand with it responsibility for the trunk road network, including motorways.[13]Responsibility for the management of highways in Wales is split between the Welsh Government and local highway agencies. The Welsh Government is responsible for trunk roads and motorways, whilst the 22 local authorities are responsible for all other highways.

In 2001 theWelsh Governmentreviewed the way in which trunk roads and motorways were being managed,[14]and by September 2004,[14]they had decided to reduce the number of trunk road agencies from eight down to three.[14]The three new agencies were:

  • The South Wales Trunk Road Agency (SWTRA), later renamed theSouth Wales Trunk Road Agent
  • The Mid Wales Trunk Road Agency (MWTRA)
  • The North Wales Trunk Road Agency (NWTRA).[14]

The three new Trunk Road Agencies started on 1 April 2006. Six years later on 1 April 2012 these were again reduced further down to two:

  • The South Wales Trunk Road Agent, who manage 16 trunk roads or parts of roads (both A roads and motorways)[15]
  • TheNorth and Mid Wales Trunk Road Agent(NMWTRA), who manage 11 trunk roads or parts of roads (all A roads).[16]

Neath Port Talbot County Borough CouncilandGwynedd Councilmanage and maintain the trunk road network on behalf of the Transport and Strategic Regeneration division of theWelsh Governmentfor SWTRA and NMWTRA respectively.[17][18]

In March 2002, the Welsh Government developed their Trunk Road Forward Programme.[19]The programme listed plans for major improvements and new road schemes.[19] Following the 2004 review of the Welsh Government's transport policy in 2004,[19]they updated the list for major improvements and new road schemes.[19]In December 2008 the Trunk Road Forward Programme was again updated due to the pledges made in theOne Walesthe Labour PartyandPlaid Cymru.[19]

As of April 2019, out of a total of 34,850 miles (56,090 km) of roads in Wales, 1,576 miles (2,536 km) are trunk roads (including 135 miles (217 km) of motorways and as of 2015 350 miles (560 km) of dual carriageway).[1][2]

In 2023, the Welsh Government announced it was expecting more interventional schemes would be required in the future to tackle long-standing air quality issues. This could be possiblyroad pricingon some of Wales' trunk roads, like London'sULEZ.Although, a minister stated there are no current plans to introduce them.[20]Starting in March 2023, the Welsh Government were drafting a bill to expand their powers to implement road pricing, should they need it.[21][22]

Present-day trunk roads

[edit]
Trunk roads in Wales
Name of trunk road Road classification
(A road / Motorway) 		Notes Image
M4 motorway(in Wales).
It forms part of the London–Fishguard Trunk Road and also theEuropean route E30
Although part of the European route E30, the directional signs omit theEuropean route numbers.It is mostly a 3-lanemotorwayapart from junctions 24 to 26 around Newport and from junction 38 around Port Talbot until the western terminus of the M4 at junction 49 at thePont Abraham services,where it is a 2-lane motorway in each direction.
The M4,
nearCardiff
M48 motorway(in Wales)
The M48 was previously part of the M4 motorway, until it was renamed when theSecond Severn Crossingwas built in 1996. It is a 2-lane motorway in each direction.
The M48,
nearCaldicot
A48(M) motorway
The A48(M) opened in 1977 originally as an ending for the M4. The M4 was subsequently extended from junction 29 in 1980, and this section of road was subsequently renumbered the A48(M). It is a 2-lane motorway in each direction.
The A48(M),
near Cardiff
Dolgellau–South ofBirkenheadTrunk Road[23](A494)
The road runs south west (mid Wales) to north east Wales. It is mostly a single-carriageway road apart from a section betweenQueensferryand theM56 motorwaywhere it is dual-carriageway road.
The A494,
near Queensferry
London–FishguardTrunk Road.[24]
Forms part of theEuropean route E30
(A40,A48,A466,M4 motorway).
The A40 forms part of the Welsh Government's East to West network of trunk roads linking Abergavenny with Fishguard in Wales. The A40 is predominantly a single carriageway in Wales apart from a section betweenCarmarthenandSt Clears.Forms part of the 6,050 kilometres (3,760 miles) European route E30 fromCork(Republic of Ireland) toOmsk(Russia).
The A40,
nearAbergwili
Cardiff–Glan Conwy Trunk Road (A470)[25]
The A470 is a north–south route running from Llandudno Junction and the A55 in the north to Cardiff on the south coast. It is generally a single-carriageway road north of Merthyr Tydfil anddual carriagewaysouth of Merthyr Tydfil.
The A470,
nearPontypridd
A4232 Trunk Road
(Capel Llanilltern – Culverhouse Cross Link Road)[26]
(A4232)
A4232 Trunk Road was opened in 1985 and was designed to provide a link between theVale of Glamorganand the west of Cardiff on theA48with the M4 motorway. It is 5.47 kilometres (3.40 miles) in length. The remainder of the A4232 road is not trunked.
The A4232
(Cardiff Link Road)
Raglan–LlandoveryTrunk Road[27](A40)
The A40 is an east to west route in mid Wales from Raglan (Newport–Worcester Trunk Road) and Llandovery. It is mostly single carriageway standard apart from the Brecon Bypass, which is dual carriageway.
The A40
(Brecon Bypass)
East of Abercynon–East of Dowlais Trunk Road[28](A4060)
The A4060 is a mix of dual carriageway and single carriageway. It links the Cardiff–Glan Conwy Trunk Road (A470) to the south of Merthyr Tydfil, where it is a 3-lane single carriageway to the Neath–Abergavenny Trunk Road (A465) at Dowlais Top, where it is a dual carriageway.
The A4060,
nearPentrebach
Bangor–Chirk Trunk Road.
Forms part of the London–Holyhead Trunk Road[29][30](A5)
The A5 London to Holyhead road is a trunk road in Wales running from Bangor in the north west through to Chirk in the south east of the region. The A5 is predominantly a single carriageway in Wales.
The A5
(Chirk Bypass)
Swansea–ManchesterTrunk Road[31](A483)
Between the junction of the A55 andRuabonin north Wales, the road is dual carriageway. The remainder of the road is single carriageway.
The A483
(Gresford Bypass)
Chester–Bangor Trunk Road, also known as the Holyhead–Chester Trunk Road and the North Wales Expressway.[32][33][34]It forms part of theEuropean route E22.(A55)
The A55 trunk road is the main east–west route in North Wales. The road is some 129 km (81 miles) in length, It is a dual carriageway and includes the Britannia Bridge and the A55 tunnels. West of Junction 11 (across Anglesey) is managed by UK Highways Ltd as part of aprivate finance initiativeand east of Junction 35a (in England) is managed by Highways England. It forms part of the 5,320 kilometres (3,310 miles)European route E22that linksIshim(Russia) withHolyhead
The A55,
nearColwyn Bay
Neath–AbergavennyTrunk Road,[35]also known as the Heads of the Valleys Road (A465)
The road is a main east–west route in South Wales along with the M4 motorway. Large sections of the road are dual-carriageway, with the remainder being single-carriageway. TheWelsh Governmenthas promised that the dualling of the whole trunk road in Wales will be complete by 2025.
The A465,
nearBute Town
Newport–Worcester Trunk Road[36](A449)
This road is the main road from South Wales to EnglishMidlands.
The A449,
near Newport
Newport–ShrewsburyTrunk Road[37](A4042 road)
The trunk road is the main south–north route in eastern Wales.
The A4042,
(Llantarnam Bypass)
Shrewsbury–Dolgellau Trunk Road[31]
(also known as the Shropshire Boundary–Mallwyd Trunk Road)[38](A458)
The road is an east–west route in mid Wales connecting the London–Holyhead Trunk Road (A5) in the east near Shrewsbury to the Cardiff–Glan Conwy Trunk Road (A470) in the west near Mallwyd. It is a single-carriageway road.
The A458,
nearMallwyd
Haverfordwest–Milford HavenTrunk Road[39](A4076)
The road is a small north–south road linking the London – Fishguard Trunk Road (A40) at Haverfordwest to the port of Milford Haven. It is a single-carriageway road.
The A4076,
nearMerlin's Bridge
Fishguard–BangorTrunk Road[40](A487)
The A487 is a south–north roads running through the west Wales, linking Fishguard in Pembrokeshire with Bangor in north Wales. It is a single-carriageway road.
The A487
(Caernarfon Inner Relief Road)
Newtown–Machynlleth Trunk Road[41](A489)
The A489 is an east–west route. It runs from Newtown to Machynlleth and is split into two distinct lengths. The southern section is 8.5 km (5 miles) in length links theA483 roadat Newtown to theA470 roadat Caersws. The Northern section is 9 km (5.5 miles) in length and links the A470 at Cemmaes Road to theA487 roadat Machynlleth. The A470 and A489 are both mostly single-carriageway roads.
The A489,
nearAbergwydol
Newtown–AberystwythTrunk Road[25](A44)
The A44 is an east–west route running from the A470 at Llangurrig to Aberystwyth. The road is entirely a single-carriage, linking theA483 roadat Newtown to theA470 roadat Caersws.
The A44,
nearLlangurig
Glanusk Park(Crickhowell)–LlyswenTrunk Road[42](A479)
The A479 from the A40 near Crickhowell to the A470 at Llyswen and is generally a single-carriageway road and is 21 km (13 miles) in length.
The A479
(Bronllys Bypass)
St Clears–Pembroke DockTrunk Road[43](A477)
The east–west route from the junction of the London–Fishguard Trunk Road (A40) at St Clears to Pembroke Dock. In 2014, the St Clears to Red Roses improvement road was opened. Bypassing the communities of Llanddowror and Red Roses, this new road is a single carriageway with over half its length carrying three lanes.
The A477,
(Llanddowror Bypass)
Source:What Do They Know,Welsh Government: List of Welsh Government Roads and Classifications[8]

See also

[edit]

References

[edit]
  1. ^ab"Road lengths and conditions, 2018-19:"(PDF).Welsh Government.Archived(PDF)from the original on 24 November 2022.Retrieved24 November2022.
  2. ^ab"Road lengths and conditions in Wales during 2014-15"(PDF).Welsh Government.Archived(PDF)from the original on 24 November 2022.Retrieved24 November2022.
  3. ^"A483(T) Junction Numbering A483(T) Rhifo Cyffyrdd"(PDF).North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  4. ^"The London–Fishguard Trunk Road (A48) (County of South Glamorgan) and The Cardiff–Glan Conwy Trunk Road (A470) (County of South Glamorgan) Detrunking Order 1987".Legislation.gov.uk.Retrieved9 March2016.
  5. ^"The A40 Trunk Road (Wolvercote Roundabout Oxford to the Oxfordshire/Gloucestershire County Boundary) (Detrunking) Order 2003".Legislation.gov.uk.Retrieved9 March2016.
  6. ^"Trunk Roads Act 1936"(PDF).Legislation.gov.uk.Retrieved8 March2016.
  7. ^ab"Trunk Roads Act 1936 and 1946"(PDF).Leslie V Watson.Retrieved8 March2016.
  8. ^abcd"Welsh Government: List of Welsh Government Roads and Classifications"(PDF).Welsh Government.Retrieved8 March2016.
  9. ^"Trunk Roads Act 1946"(PDF).Legislation.gov.uk.Retrieved8 March2016.
  10. ^"Driving Wales Forward: A strategic review of the Welsh trunk roads programme".National Academies of Sciences, Engineering, and Medicine.Retrieved9 March2016.
  11. ^"Trunk Roads".Parliamentary Debates (Hansard).1 November 2000.Retrieved9 March2016.
  12. ^"Devolved Parliaments and Assemblies".Parliament of the United Kingdom.Retrieved9 March2016.
  13. ^"Governance of Wales: Who is responsible for what?".National Assembly for Wales.Retrieved9 March2016.
  14. ^abcd"Background to Formation of the Agency".South Wales Trunk Road Agent.Retrieved9 March2016.
  15. ^"The South Wales Trunk Road Agent Network".South Wales Trunk Road Agent.Retrieved9 March2016.
  16. ^"Our Roads-The Road Network managed by the Agency".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  17. ^"South Wales Trunk Road Agent (SWTRA)".South Wales Trunk Road Agent.Retrieved9 March2016.
  18. ^"Who we are".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  19. ^abcde"Trunk Road Forward Programme"(PDF).National Assembly for Wales.Retrieved9 March2016.
  20. ^"How clean air targets could be met by charging drivers on some Welsh roads".Sky News.Retrieved22 November2023.
  21. ^Dalling, Robert (21 November 2023)."Powers to make drivers pay pollution charge on M4 approved in Senedd".Wales Online.Retrieved23 November2023.
  22. ^Jones, John (21 March 2023)."Drivers furious at charges proposal for M4 and A470 make key point".Wales Online.Retrieved23 November2023.
  23. ^"The A494 Trunk Road (Lon Fawr, Ruthin, Denbighshire) (Temporary Traffic Restrictions & Prohibitions) Order 2016"(PDF).Legislation.gov.uk.Retrieved9 March2016.
  24. ^"The London – Fishguard Trunk Road (A40) (Heol Draw Improvement) Order 2004".Legislation.gov.uk.Retrieved9 March2016.
  25. ^ab"The Cardiff-Glan Conwy Trunk Road (A470) The Newtown-Aberystwyth Trunk Road (A44) (Trunk Roads and Junction Improvements, Llangurig) Order 1989".Legislation.gov.uk.Retrieved9 March2016.
  26. ^"The M4 Motorway (Junction 33 (Capel Llanilltern Interchange)) & The A4232 Trunk Road (Capel Llanilltern to Culverhouse Cross, Cardiff) (Temporary Traffic Prohibitions & Restrictions) Order 2015".Welsh Government.Retrieved9 March2016.
  27. ^"The A40 Trunk Road (Park Road, Abergavenny, Monmouthshire) (Temporary Closure of Footway) Order 2015"(PDF).Welsh Government.Retrieved9 March2016.
  28. ^"The East of Abercynon–East of Dowlais Trunk Road (A4060) (Improvement of Mountain Hare to Dowlais Top) Order 1996".Legislation.gov.uk.Retrieved9 March2016.
  29. ^"A5 – Bangor to Chirk Trunk Road".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  30. ^"The London-Holyhead Trunk Road A5 (Rhoswiel–Whitehurst Detrunking) Order 1987".Legislation.gov.uk.Retrieved9 March2016.
  31. ^ab"The Swansea–Manchester Trunk Road (A483) and the Shrewsbury–Dolgellau Trunk Road (A458) (Welshpool North–South Relief Road) (Variation) Order 1990".Legislation.gov.uk.Retrieved9 March2016.
  32. ^"The A55 Trunk Road (Junction 1, Kingsland Roundabout, Holyhead, Isle of Anglesey to east of Junction 11, Llys y Gwynt Interchange, Bangor, Gwynedd) (Temporary Prohibition of Vehicles & 40 MPH Speed Limit) Order 2015"(PDF).Legislation.gov.uk.Retrieved9 March2016.
  33. ^"National Assembly for Wales – Rail Infrastructure Inquiry PF: 0008724"(PDF).National Assembly for Wales.Retrieved9 March2016.
  34. ^"A55 – Holyhead to Chester Trunk Road".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  35. ^"The Neath–Abergavenny Trunk Road (A465) (Improvement from Aberdulais to Glynneath and Slip Roads) Order 1991".Legislation.gov.uk.Retrieved9 March2016.
  36. ^"The A40 Trunk Road (Chapel Farm Over-Bridge, Near Monmouth, Monmouthshire) (Temporary Prohibition of Vehicles) Order 2015"(PDF).Welsh Government.Retrieved9 March2016.
  37. ^"M4/Newport-Shrewsbury Trunk Road A4042 (Relief of Brynglas Tunnels and Malpas Road) Order 1989".Legislation.gov.uk.Retrieved9 March2016.
  38. ^"A458 – Shropshire Boundary to Mallwyd Trunk Road".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  39. ^"The Haverfordwest-Milford Haven Trunk Road (Johnston Railway Bridge) Order 1981".Legislation.gov.uk.Retrieved9 March2016.
  40. ^"The A487 Trunk Road (Rhydyfelin to Southgate, Ceredigion) (Temporary Speed Restrictions & No Overtaking) Order 2016"(PDF).Legislation.gov.uk.Retrieved9 March2016.
  41. ^"A489 – Newtown to Machynlleth Trunk Road".North and Mid Wales Trunk Road Agent.Retrieved9 March2016.
  42. ^"The A479 Trunk Road (Glanusk Park to Llyswen, Powys) (Temporary Speed Restrictions and No Overtaking) Order 2016"(PDF).Legislation.gov.uk.Retrieved9 March2016.
  43. ^"St Clears to Pembroke Dock Trunk Road (A477) (St Clears-Red Roses Improvement Side Roads) Order 2012 (2012 No.3)".Welsh Government.Retrieved9 March2016.
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