Traffic Cwmcarn

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Cwmcarn
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Nearby: CaerphillyCwmbranPontypoolNewportCaerleonPontypridd

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FULL SCREEN UPDATED: 15:36

Current traffic around Cwmcarn

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

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: 7.21 miles from Cwmcarn.

J32 CORYTON

Description: M4EastboundJ32 (Cardiff) CorytonResurfacing workEntry slip road closedDiversions in place17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:24
Nearest town: 8.44 miles from Cwmcarn.

J32 CORYTON

Description: M4SouthboundJ32 (Cardiff) CorytonResurfacing workOffslip closedDiversions in place17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:25
Nearest town: 8.44 miles from Cwmcarn.

CORYTON

Description: A470WestboundCoryton14/09/26-15/09/26 2000-0600Resurfacing workClosedDiversions in place :, Start time: 14/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:49
Nearest town: 8.34 miles from Cwmcarn.

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: 12/09/2026 7:55
Nearest town: 8.34 miles from Cwmcarn.

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: 7.21 miles from Cwmcarn.

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: 8.02 miles from Cwmcarn.

There are no current incidents in this location.

Roadworks

Traffic in Nearby Villages

Abercarn (0.62mi)
Ebbw (0.73mi)
Pontywaun (0.88mi)
Newtown (1.24mi)
West End (1.24mi)
Mynyddislwyn (1.39mi)
Black Vein (1.39mi)
Crosskeys (1.39mi)
Llanfach (1.39mi)
Chapel of Ease (1.39mi)
Wattsville (1.39mi)
Brynawel (1.76mi)
Cwm Dows (1.96mi)
Cwmnantyrodyn (2.24mi)
Springfield (2.24mi)
Penrhiw (2.24mi)
Cwmfelinfach (2.24mi)
Ton y pistyll (2.24mi)
Pentwyn mawr (2.24mi)
Danygraig (2.24mi)
Machen (2.48mi)
Chatham (2.48mi)
Newbridge (Cefn Bychan) (2.49mi)
Pantside (2.49mi)
Cefn Bychan (Newbridge) (2.49mi)
Wyllie (2.56mi)
Gelligroes (2.56mi)
Ynysddu (2.56mi)
Nant y ceisiad (2.56mi)
Pontllanfraith (2.63mi)
Risca (2.63mi)
Ty Sign (2.63mi)

Cwmcarn

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Elsewhere on the web:

National Highways England

Official source of traffic updates.

Transport for London (TFL)

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

Traffic Wales

The Welsh government's traffic information service for Wales.

Traffic Scotland

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

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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: 7.21 miles from Cwmcarn.

51.56--3.27

Description: M4 : Eastbound : J32 (Cardiff) Coryton : Resurfacing work : Entry slip road closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:24
Nearest town: 8.44 miles from Cwmcarn.

51.53--3.25

Description: M4 : Southbound : J32 (Cardiff) Coryton : Resurfacing work : Offslip closed : Diversions in place : 17/09/26-18/09/26 2000-0600 :, Start time: 17/09/2026 20:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 03/09/2026 16:25
Nearest town: 8.44 miles from Cwmcarn.

51.53--3.25

Description: A470 : Westbound : Coryton : 14/09/26-15/09/26 2000-0600 : Resurfacing work : Closed : Diversions in place :, Start time: 14/09/2026 20:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 7:49
Nearest town: 8.34 miles from Cwmcarn.

51.53--3.25

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: 12/09/2026 7:55
Nearest town: 8.34 miles from Cwmcarn.

51.53--3.25

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: 7.21 miles from Cwmcarn.

51.56--3.27

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: 8.02 miles from Cwmcarn.

51.58--3.31

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