Traffic Cardiff (Caerdydd)

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Cardiff (Caerdydd)
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Current traffic around Cardiff (Caerdydd)

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

EASTBOUND

Description: M4Now clearEastboundJ33 (Cardiff) Capel Llanilltern, Start time: 28/05/2025 8:32 , Expected end time: 28/05/2025 8:37, Severity: Moderate, Source: Welsh Government, Last updated: 28/05/2025 8:32
Nearest town: 5.82 miles from Cardiff (Caerdydd). CLEARED @ 08:55

M4 J29 CASTLETON TO POUND HILL OVERBRIDGE

Description: A48MWestboundM4 J29 Castleton to Pound Hill OverbridgeCarriageway maintenanceRoad closedDiversions in place29/05/25-31/05/25 2000-0600 :, Start time: 29/05/2025 20:00 , End Date: 31/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/05/2025 11:41
Nearest town: 6.94 miles from Cardiff (Caerdydd). CLEARED @ 12:18

POUND HILL OVERBRIDGE TO M4 J29 CASTLETON

Description: A48MEastboundPound Hill Overbridge to M4 J29 CastletonCarriageway maintenanceRoad closedDiversions in place27/05/25-29/05/25 2000-0600 :, Start time: 27/05/2025 20:00 , End Date: 29/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 20:00
Nearest town: 6.94 miles from Cardiff (Caerdydd). CLEARED @ 12:18

J30 CARDIFF GATE TO J32 CORYTON

Description: M4WestboundJ30 (Cardiff) Cardiff Gate to J32 (Cardiff) CorytonCarriageway maintenanceRoad closedDiversions in place27/05/25-31/05/25 2000-0600 :, Start time: 27/05/2025 20:00 , End Date: 31/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 20:00
Nearest town: 4.79 miles from Cardiff (Caerdydd). CLEARED @ 12:18

J36 SARN

Description: M4WestboundJ36 (Bridgend) SarnCarriageway maintenance: Diversions in place29/05/25-30/05/25 2000-0600Onslip closed :, Start time: 29/05/2025 20:00 , End Date: 30/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 12:51
Nearest town: 17.53 miles from Cardiff (Caerdydd). CLEARED @ 12:18

TUA'R DE

Disgrifiad: A470Wedi clirioTuar DeNantgarw i Coryton, Amser y digwyddiad: 28/05/2025 8:42 , Amser gorffen a ragwelir: 28/05/2025 8:47, Difrifoldeb: Cymedrol, Ffynhonnell: Llywodraeth Cymru, Diweddarwyd ddiwethaf: 28/05/2025 8:42
Nearest town: 5.71 miles from Cardiff (Caerdydd). CLEARED @ 09:07

There are no current incidents in this location.

Roadworks

ROAD WORKS

Location: The M5 northbound between junctions J20 (Nailsea) and J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 3 Jun 2025 to 06:00 on 4 Jun 2025.
Lanes Closed: There will be two of four lanes closed.
Nearest town: 15.64 miles from Cardiff (Caerdydd).

ROAD WORKS

Location: The M5 southbound between junctions J19 (Portishead) and J20 (Nailsea) .
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: From 08:00 on 29 May 2025 to 16:00 on 30 May 2025.
Nearest town: 19.42 miles from Cardiff (Caerdydd).

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 28 May 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 Cardiff (Caerdydd).

Traffic in Nearby Villages

Caerdydd (Cardiff) (0mi)
Monmouthshire and Brecon Canal (0.06mi)
Splott (0.62mi)
Riverside (0.62mi)
Cathays Park (0.62mi)
Cathays (0.62mi)
Blackweir (0.88mi)
Roath (0.88mi)
Canton (1.24mi)
Butetown (1.24mi)
Pontcanna (1.39mi)
Tremorfa (1.39mi)
East Moors (1.39mi)
Maindy (1.39mi)
Pen y lan (1.39mi)
Grangetown (1.39mi)
Mynachdy (1.75mi)
Gabalfa (1.75mi)
Roath Park (1.86mi)
Llandaff (1.96mi)
Heath (1.96mi)
Llandaff North (2.24mi)
Leckwith (2.24mi)
Llandochau (Llandough) (2.24mi)

Cardiff (Caerdydd)

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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: M4 : Now clear : Eastbound : J33 (Cardiff) Capel Llanilltern, Start time: 28/05/2025 8:32 , Expected end time: 28/05/2025 8:37, Severity: Moderate, Source: Welsh Government, Last updated: 28/05/2025 8:32
Nearest town: 5.82 miles from Cardiff (Caerdydd).

51.51--3.31

Description: A48M : Westbound : M4 J29 Castleton to Pound Hill Overbridge : Carriageway maintenance : Road closed : Diversions in place : 29/05/25-31/05/25 2000-0600 :, Start time: 29/05/2025 20:00 , End Date: 31/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 23/05/2025 11:41
Nearest town: 6.94 miles from Cardiff (Caerdydd).

51.55--3.07

Description: A48M : Eastbound : Pound Hill Overbridge to M4 J29 Castleton : Carriageway maintenance : Road closed : Diversions in place : 27/05/25-29/05/25 2000-0600 :, Start time: 27/05/2025 20:00 , End Date: 29/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 20:00
Nearest town: 6.94 miles from Cardiff (Caerdydd).

51.55--3.07

Description: M4 : Westbound : J30 (Cardiff) Cardiff Gate to J32 (Cardiff) Coryton : Carriageway maintenance : Road closed : Diversions in place : 27/05/25-31/05/25 2000-0600 :, Start time: 27/05/2025 20:00 , End Date: 31/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 20:00
Nearest town: 4.79 miles from Cardiff (Caerdydd).

51.55--3.19

Description: M4 : Westbound : J36 (Bridgend) Sarn : Carriageway maintenance : : Diversions in place : 29/05/25-30/05/25 2000-0600 : Onslip closed :, Start time: 29/05/2025 20:00 , End Date: 30/05/2025 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/05/2025 12:51
Nearest town: 17.53 miles from Cardiff (Caerdydd).

51.53--3.58

Disgrifiad: A470 : Wedi clirio : Tuar De : Nantgarw i Coryton, Amser y digwyddiad: 28/05/2025 8:42 , Amser gorffen a ragwelir: 28/05/2025 8:47, Difrifoldeb: Cymedrol, Ffynhonnell: Llywodraeth Cymru, Diweddarwyd ddiwethaf: 28/05/2025 8:42
Nearest town: 5.71 miles from Cardiff (Caerdydd).

51.54--3.26

Location: northbound between junctions J20 (Nailsea) and J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 3 June 2025 to 06:00 on 4 June 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 15.64 miles from Cardiff (Caerdydd).

51.44--2.82

Location: southbound between junctions J19 (Portishead) and J20 (Nailsea) .

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : From 08:00 on 29 May 2025 to 16:00 on 30 May 2025.
Nearest town: 19.42 miles from Cardiff (Caerdydd).

51.47--2.73

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 28 May 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 Cardiff (Caerdydd).

51.43--2.84

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