Traffic Caerdydd (Cardiff)

FULL SCREEN UPDATED: 16:03
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Current traffic around Caerdydd (Cardiff)

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

NANTGARW TO TAFF'S WELL
Description: A470SouthboundNantgarw to Taffs WellIncidentAccidentDelay: s possible :, Start time: 24/07/2025 14:07 , Expected end time: 24/07/2025 16:07, Severity: Severe, Source: Welsh Government, Last updated: 24/07/2025 14:07
Nearest town: 6.2 miles from Caerdydd (Cardiff). CLEARED @ 14:18
EASTBOUND
Description: M4Now clearEastboundJ36 (Bridgend) Sarn to J35 (Pen-coed) Pencoed, Start time: 24/07/2025 12:53 , Expected end time: 24/07/2025 12:58, Severity: Severe, Source: Welsh Government, Last updated: 24/07/2025 12:53
Nearest town: 15.71 miles from Caerdydd (Cardiff). CLEARED @ 14:06
A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN
Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternCongestionDelay: s possible :, Start time: 24/07/2025 15:39 , Expected end time: 24/07/2025 17:39, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 15:39
Nearest town: 4.66 miles from Caerdydd (Cardiff). CLEARED @ 15:42
NANTGARW
Description: A470NorthboundNantgarwCongestionDelay: s possible :, Start time: 24/07/2025 14:24 , Expected end time: 24/07/2025 17:24, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 14:24
Nearest town: 6.99 miles from Caerdydd (Cardiff). CLEARED @ 14:30
PONTYPRIDD
Description: A470NorthboundPontypriddMaintenance workRoad closedDiversions in place24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:28
Nearest town: 10.11 miles from Caerdydd (Cardiff). CLEARED @ 14:18
PONTYPRIDD
Description: A470NorthboundPontypriddRoad closedMaintenance workDiversions in place24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:32
Nearest town: 10.11 miles from Caerdydd (Cardiff). CLEARED @ 14:18
A48 INTERCHANGE TO M4 J33 CAPEL LLANILLTERN
Description: A4232NorthboundA48 Interchange to M4 J33 Capel LlanillternMaintenance workRoad closedDiversions in place21/07/25-26/07/25 2000-0600 :, Start time: 21/07/2025 20:00 , End Date: 26/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/07/2025 20:00
Nearest town: 4.66 miles from Caerdydd (Cardiff). CLEARED @ 14:06
C36 SARN I G35 PENCOED
Disgrifiad: M4Tuar DwyrainC36 Sarn i G35 PencoedDigwyddiadDamwainOedin bosibl :, Amser y digwyddiad: 24/07/2025 12:36 , Amser gorffen a ragwelir: 24/07/2025 14:36, Difrifoldeb: Difrifol, Ffynhonnell: Llywodraeth Cymru, Diweddarwyd ddiwethaf: 24/07/2025 12:36
Nearest town: 15.71 miles from Caerdydd (Cardiff). CLEARED @ 12:42


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M5 northbound at junction J20 (Nailsea) .
Lane closures: Lane one will be closed.
Reason: Emergency roadside drains works are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 04:00 from 24 Jul 2025 to 22 Aug 2025.
Schedule: Expect disruption everyday between 20:00 and 04:00 from 26 Aug 2025 to 28 Mar 2026.
Schedule: From 20:00 on 28 Mar 2026 to 04:00 on 29 Mar 2026.
Schedule: Expect disruption everyday between 20:00 and 04:00 from 29 Mar 2026 to 1 Apr 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 15.11 miles from Caerdydd (Cardiff).

Traffic in Nearby Villages

Caerdydd (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 : Southbound : Nantgarw to Taffs Well : Incident : Accident : Delays possible :, Start time: 24/07/2025 14:07 , Expected end time: 24/07/2025 16:07, Severity: Severe, Source: Welsh Government, Last updated: 24/07/2025 14:07
Nearest town: 6.2 miles from Caerdydd (Cardiff).

51.55--3.27

Description: M4 : Now clear : Eastbound : J36 (Bridgend) Sarn to J35 (Pen-coed) Pencoed, Start time: 24/07/2025 12:53 , Expected end time: 24/07/2025 12:58, Severity: Severe, Source: Welsh Government, Last updated: 24/07/2025 12:53
Nearest town: 15.71 miles from Caerdydd (Cardiff).

51.53--3.54

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Congestion : Delays possible :, Start time: 24/07/2025 15:39 , Expected end time: 24/07/2025 17:39, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 15:39
Nearest town: 4.66 miles from Caerdydd (Cardiff).

51.49--3.29

Description: A470 : Northbound : Nantgarw : Congestion : Delays possible :, Start time: 24/07/2025 14:24 , Expected end time: 24/07/2025 17:24, Severity: Moderate, Source: Welsh Government, Last updated: 24/07/2025 14:24
Nearest town: 6.99 miles from Caerdydd (Cardiff).

51.56--3.27

Description: A470 : Northbound : Pontypridd : Maintenance work : Road closed : Diversions in place : 24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:28
Nearest town: 10.11 miles from Caerdydd (Cardiff).

51.59--3.32

Description: A470 : Northbound : Pontypridd : Road closed : Maintenance work : Diversions in place : 24/07/25-25/07/25 2000-0600 :, Start time: 24/07/2025 20:00 , End Date: 25/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 19/07/2025 13:32
Nearest town: 10.11 miles from Caerdydd (Cardiff).

51.59--3.32

Description: A4232 : Northbound : A48 Interchange to M4 J33 Capel Llanilltern : Maintenance work : Road closed : Diversions in place : 21/07/25-26/07/25 2000-0600 :, Start time: 21/07/2025 20:00 , End Date: 26/07/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 21/07/2025 20:00
Nearest town: 4.66 miles from Caerdydd (Cardiff).

51.49--3.29

Disgrifiad: M4 : Tuar Dwyrain : C36 Sarn i G35 Pencoed : Digwyddiad : Damwain : Oedin bosibl :, Amser y digwyddiad: 24/07/2025 12:36 , Amser gorffen a ragwelir: 24/07/2025 14:36, Difrifoldeb: Difrifol, Ffynhonnell: Llywodraeth Cymru, Diweddarwyd ddiwethaf: 24/07/2025 12:36
Nearest town: 15.71 miles from Caerdydd (Cardiff).

51.53--3.54

Location: northbound at junction J20 (Nailsea) .

Lane Closures : Lane one will be closed.

Due to: Emergency roadside drains works are planned.

Status : Pending.

Schedule : Expect disruption everyday between 20:00 and 04:00 from 24 July 2025 to 22 August 2025.

Schedule : Expect disruption everyday between 20:00 and 04:00 from 26 August 2025 to 28 March 2026.

Schedule : From 20:00 on 28 March 2026 to 04:00 on 29 March 2026.

Schedule : Expect disruption everyday between 20:00 and 04:00 from 29 March 2026 to 1 April 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.11 miles from Caerdydd (Cardiff).

51.43--2.84