A470 Traffic

Traffic and travel conditions for the a470 13:59pm

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FULL SCREEN UPDATED: 13:59
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Traffic incidents

The following traffic incidents and congestion for a470 have been reported by Highways England, Traffic Scotland, Traffic Wales or Transport for London (TfL) in the last two hours:

LLANRWST TO A55 J19 GLAN CONWY
Description: A470Both directionsLlanrwst to A55 J19 Glan ConwyMaenanResurfacing workSTOP/GO in useWidth limit 3.25m07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Moderate, Source: Welsh Government, Last updated: 07/09/2026 7:00
Nearest town: 1.72m from Llanbedr.
NANTGARW
Description: A470NorthboundNantgarwCyclic maintenanceExit slip road closedDiversion07/09/26-19/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 20:00
Nearest town: 0.17m from Nantgarw.
LLANRWST
Description: A470Both directionsLlanrwstResurfacing work10mph convoyTemporary traffic lightsWidth limit 3.25m07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 7:00
Nearest town: 6.57m from Yspytty Evan.
DOLDOWLOD TO BUILTH WELLS
Description: A470Both directionsDoldowlod to Builth WellsResurfacing workRoad closedBontnewyddDiversion14/09/26-26/09/26 1900-0600 :, Start time: 14/09/2026 19:00 , End Date: 26/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/09/2026 19:00
Nearest town: 0.47m from Builth.
NANTGARW
Description: A470NorthboundNantgarw07/09/26-19/09/26 2000-0600Maintenance workExit slip road closedClosedDiversions in place :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 8:00
Nearest town: 0.17m from Nantgarw.
CORYTON
Description: A470WestboundCoryton15/09/26-22/09/26 2000-0600J32M4 Resurfacing workClosedDiversions in place :, Start time: 15/09/2026 20:00 , End Date: 22/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/09/2026 20:00
Nearest town: 1.56m from Flynnon Taf.
RHAYADER
Description: A470Both directionsRhayaderWater main workRoad closedDiversion17/09/26-18/09/26 0800-1800 :, Start time: 17/09/2026 8:00 , End Date: 18/09/2026 18:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 13:37
Nearest town: 0.76m from Llanwrthwl.
ABERCARNAID TO ABERCYNON
Description: A470SouthboundAbercarnaid to Abercynon19/09/26-20/09/26 1900-0600Carriageway maintenanceClosedDiversions in place :, Start time: 19/09/2026 19:00 , End Date: 20/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:47
Nearest town: 1.78m from Pontypridd.


There are no current incidents in this location.

a470 Roadworks

The following roadworks have been reported by various highways agencies and official transport sources. Click on a roadworks item to view more details on the traffic map.

a470

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LEGAL NOTICE

Please remember that it is against the law to use your mobile phone, tablet or any electronic device without a hands-free kit whilst driving. If you're caught by the police using any device that can send or receive data whilst driving or riding a motorcyle you'll get an automatic fixed penalty notice, 6 points on your licence and a fine of £200. A court could also disqualify you from driving.

Elsewhere on the web:

National Highways TrafficNational Highways England

Official source of traffic updates.

Transport for LondonTransport for London (TFL)

Transport for London's (TfL) portal for transportation in London.

Traffic WalesTraffic Wales

The Welsh government's traffic information service for Wales.

Traffic ScotlandTraffic Scotland

Live traffic conditions and news for Scotland's road network.

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Description: A470 : Both directions : Llanrwst to A55 J19 Glan Conwy : Maenan : Resurfacing work : STOP/GO in use : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Moderate, Source: Welsh Government, Last updated: 07/09/2026 7:00
Nearest town: 1.72m from Llanbedr.

53.2--3.83

Description: A470 : Northbound : Nantgarw : Cyclic maintenance : Exit slip road closed : Diversion : 07/09/26-19/09/26 2000-0600 :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 20:00
Nearest town: 0.17m from Nantgarw.

51.56--3.27

Description: A470 : Both directions : Llanrwst : Resurfacing work : 10mph convoy : Temporary traffic lights : Width limit 3.25m : 07/09/26-24/10/26 0700-0200 :, Start time: 07/09/2026 7:00 , End Date: 24/10/2026 2:00, Severity: Road closure, Source: Welsh Government, Last updated: 07/09/2026 7:00
Nearest town: 6.57m from Yspytty Evan.

53.11--3.79

Description: A470 : Both directions : Doldowlod to Builth Wells : Resurfacing work : Road closed : Bontnewydd : Diversion : 14/09/26-26/09/26 1900-0600 :, Start time: 14/09/2026 19:00 , End Date: 26/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 14/09/2026 19:00
Nearest town: 0.47m from Builth.

52.16--3.42

Description: A470 : Northbound : Nantgarw : 07/09/26-19/09/26 2000-0600 : Maintenance work : Exit slip road closed : Closed : Diversions in place :, Start time: 07/09/2026 20:00 , End Date: 19/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 8:00
Nearest town: 0.17m from Nantgarw.

51.56--3.27

Description: A470 : Westbound : Coryton : 15/09/26-22/09/26 2000-0600 : J32 : M4 Resurfacing work : Closed : Diversions in place :, Start time: 15/09/2026 20:00 , End Date: 22/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 15/09/2026 20:00
Nearest town: 1.56m from Flynnon Taf.

51.53--3.25

Description: A470 : Both directions : Rhayader : Water main work : Road closed : Diversion : 17/09/26-18/09/26 0800-1800 :, Start time: 17/09/2026 8:00 , End Date: 18/09/2026 18:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 13:37
Nearest town: 0.76m from Llanwrthwl.

52.28--3.51

Description: A470 : Southbound : Abercarnaid to Abercynon : 19/09/26-20/09/26 1900-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 19/09/2026 19:00 , End Date: 20/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:47
Nearest town: 1.78m from Pontypridd.

51.58--3.31