A470 Traffic

Traffic and travel conditions for the a470 10:19am

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FULL SCREEN UPDATED: 10:19
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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:

NANTGARW
Description: A470NorthboundNantgarwCongestionoffslipDelay: s possible :, Start time: 17/03/2026 8:23 , Expected end time: 17/03/2026 12:23, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 8:23
Nearest town: 0.17m from Nantgarw. CLEARED @ 08:31
NANTGARW TO CORYTON
Description: A470SouthboundNantgarw to CorytonCongestionDelay: s possible :, Start time: 17/03/2026 7:09 , Expected end time: 17/03/2026 11:09, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:09
Nearest town: 0.44m from Flynnon Taf. CLEARED @ 07:19


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 : Northbound : Nantgarw : Congestion : offslip : Delays possible :, Start time: 17/03/2026 8:23 , Expected end time: 17/03/2026 12:23, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 8:23
Nearest town: 0.17m from Nantgarw.

51.56--3.27

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :, Start time: 17/03/2026 7:09 , Expected end time: 17/03/2026 11:09, Severity: Moderate, Source: Welsh Government, Last updated: 17/03/2026 7:09
Nearest town: 0.44m from Flynnon Taf.

51.54--3.26