Traffic Cardiff

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SEVERE
FULL SCREENUPDATED: 00:24
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Current traffic around Cardiff

The following traffic incidents and congestion for Cardiff 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: 7.44 miles from Cardiff.
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: 4.83 miles from Cardiff.
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: 4.83 miles from Cardiff.
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: 4.92 miles from Cardiff.
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: 7.44 miles from Cardiff.
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: 9.78 miles from Cardiff.
J32 CORYTON
Description: M4SouthboundJ32 (Cardiff) CorytonResurfacing workOnslip closedDiversions in place22/09/26-23/09/26 2000-0600 :,Start time: 22/09/2026 20:00 ,End Date:23/09/2026 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 03/09/2026 16:27
Nearest town: 4.83 miles from Cardiff.


There are no current incidents in this location.

Roadworks


Traffic in Nearby Villages

Cardiff

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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 : 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: 7.44 miles from Cardiff.

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: 4.83 miles from Cardiff.

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: 4.83 miles from Cardiff.

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: 15/09/2026 20:00
Nearest town: 4.92 miles from Cardiff.

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: 7.44 miles from Cardiff.

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: 9.78 miles from Cardiff.

51.58--3.31

Description: M4 : Southbound : J32 (Cardiff) Coryton : Resurfacing work : Onslip closed : Diversions in place : 22/09/26-23/09/26 2000-0600 :,Start time: 22/09/2026 20:00 ,End Date:23/09/2026 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 03/09/2026 16:27
Nearest town: 4.83 miles from Cardiff.

51.53--3.25