Traffic Cardiff

SLIGHT
SEVERE
FULL SCREENUPDATED: 12:54
×
×

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:

NORTHBOUND
Description: A4232Now clearNorthboundSt Fagans to M4 J33 Capel Llanilltern,Start time: 17/11/2025 9:09 ,Expected end time:17/11/2025 9:14,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:09
Nearest town: 5.58 miles from Cardiff. CLEARED @ 10:31
SOUTHBOUND
Description: A4232Now clearSouthboundM4 J33 Capel Llanilltern to A48 Interchange,Start time: 17/11/2025 9:13 ,Expected end time:17/11/2025 9:18,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:13
Nearest town: 5.22 miles from Cardiff. CLEARED @ 10:31
NORTHBOUND
Description: A470Now clearNorthboundNantgarw,Start time: 17/11/2025 9:14 ,Expected end time:17/11/2025 9:19,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:14
Nearest town: 7.44 miles from Cardiff. CLEARED @ 10:31
NORTHBOUND
Description: A4232Now clearNorthboundSt Fagans to M4 J33 Capel Llanilltern,Start time: 17/11/2025 9:09 ,Expected end time:17/11/2025 9:14,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:09
Nearest town: 5.58 miles from Cardiff. CLEARED @ 09:19
NANTGARW
Description: A470NorthboundNantgarwCongestionoffslipDelay: s possible :,Start time: 17/11/2025 8:16 ,Expected end time:17/11/2025 9:35,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 8:16
Nearest town: 7.44 miles from Cardiff. CLEARED @ 08:31
J29 CASTLETON TO J29A ST MELLONS
Description: A48MWestboundJ29 Castleton to J29A St MellonsCongestionDelay: s possible :,Start time: 17/11/2025 7:43 ,Expected end time:17/11/2025 9:43,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:43
Nearest town: 5.83 miles from Cardiff. CLEARED @ 07:55
M4 J33 CAPEL LLANILLTERN TO A48 INTERCHANGE
Description: A4232SouthboundM4 J33 Capel Llanilltern to A48 InterchangeCongestionDelay: s possible :,Start time: 17/11/2025 7:27 ,Expected end time:17/11/2025 9:45,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:27
Nearest town: 5.22 miles from Cardiff. CLEARED @ 07:43
J33 CAPEL LLANILLTERN
Description: M4EastboundJ33 (Cardiff) Capel LlanillternCongestionoffslipDelay: s possible :,Start time: 17/11/2025 7:15 ,Expected end time:17/11/2025 9:15,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:15
Nearest town: 6.38 miles from Cardiff. CLEARED @ 07:31
UPPER BOAT TO CORYTON
Description: A470SouthboundUpper Boat to CorytonCongestionDelay: s possible :,Start time: 17/11/2025 7:01 ,Expected end time:17/11/2025 9:01,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:01
Nearest town: 6.78 miles from Cardiff. CLEARED @ 07:19
J28 TREDEGAR PARK TO J23A MAGOR
Description: M4EastboundJ28 (Newport) Tredegar Park to J23A (Magor) MagorCongestionDelay: s possible :,Start time: 17/11/2025 6:44 ,Expected end time:17/11/2025 9:44,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 6:44
Nearest town: 12.23 miles from Cardiff. CLEARED @ 07:07
ST FAGANS TO M4 J33 CAPEL LLANILLTERN
Description: A4232NorthboundSt Fagans to M4 J33 Capel LlanillternCongestionDelay: s possible :,Start time: 17/11/2025 6:54 ,Expected end time:17/11/2025 8:53,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 6:54
Nearest town: 5.58 miles from Cardiff. CLEARED @ 07:07
PENTREBACH TO A470 ABERCANAID
Description: A4060Both directionsPentrebach to A470 AbercanaidRoadworksClosedDiversions in place27/10/25-19/12/25 2000-0600 :,Start time: 27/10/2025 20:00 ,End Date:19/12/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 01/11/2025 7:53
Nearest town: 18.9 miles from Cardiff. CLEARED @ 10:43
FULL CLOSURE OF EAST OVERBRIDGE OF THE A4232 ROUNDABOUT AT J33 OF THE M4
Description: A4232Both directionsFull closure of East Overbridge of the A4232 roundabout at J33 of the M4RoadworksDiversions in place10/11/25-22/11/25 2000-0600 :,Start time: 10/11/2025 20:00 ,End Date:22/11/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 10/11/2025 20:00
Nearest town: 5.58 miles from Cardiff. CLEARED @ 10:43
FULL CLOSURE OF A4232 NORTHBOUND FROM CULVERHOUSE CROSS ROUNDABOUT NORTHBOUND ONSLIP TO THE M4 J33 ROUNDABOUT
Description: A4232Both directionsFull closure of A4232 northbound from Culverhouse Cross roundabout northbound onslip to the M4 J33 roundaboutRoadworksDiversions in place10/11/25-22/11/25 2000-0600,Start time: 10/11/2025 20:00 ,End Date:22/11/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 10/11/2025 20:00
Nearest town: 4.76 miles from Cardiff. CLEARED @ 10:43


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 17 Nov 2025 to 19 Nov 2025.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 21 Nov 2025 to 23 Nov 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 19.62 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J19 (Portishead)and J20 (Nailsea) .
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 08:00 on 24 Nov 2025 to 16:00 on 24 Nov 2025.
Nearest town: 16.66 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J20 (Nailsea)and J21 (Weston super Mare) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 20:00 on 18 Nov 2025 to 06:00 on 19 Nov 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 14.51 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J20 (Nailsea)and J21 (Weston super Mare) .
Lane closures: Lanes 1,2 and 3 will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 20:00 on 19 Nov 2025 to 06:00 on 20 Nov 2025.
Lanes Closed: There will be three of four lanes closed.
Nearest town: 14.52 miles from Cardiff.
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 17 Nov 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: 14.54 miles from Cardiff.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow)and J22 (Avonmouth) .
Reason: Roadworks scheme is planned.
Status: Pending.
Schedule: From 22:00 on 19 Nov 2025 to 06:00 on 20 Nov 2025.
Nearest town: 19.79 miles from Cardiff.
ROAD WORKS
Location: The M4 eastbound between junctions J23 (Chepstow)and J22 (Avonmouth) .
Lane closures: Lanes 1,2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 22:00 on 19 Nov 2025 to 06:00 on 20 Nov 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 19.79 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead)and J18 (Bristol) .
Lane closures: The hard shoulder,lanes 1,2 and 3 are closed.
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 18 Nov 2025.
Lanes Closed: There are three of four lanes closed.
Nearest town: 19.99 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead)and J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 17 Nov 2025 to 19 Nov 2025.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 21 Nov 2025 to 23 Nov 2025.
Lanes Closed: There will be two of four lanes closed.
Nearest town: 19.99 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead)and J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 19 Nov 2025 to 21 Nov 2025.
Lanes Closed: There will be two of four lanes closed.
Nearest town: 19.99 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound at junction J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 18 Nov 2025 to 20 Nov 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 19.89 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 1,2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 17 Nov 2025 to 21 Nov 2025.
Schedule: Expect disruption everyday between 19:00 and 07:00 from 21 Nov 2025 to 23 Nov 2025.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 23 Nov 2025 to 28 Nov 2025.
Schedule: Expect disruption everyday between 19:00 and 07:00 from 28 Nov 2025 to 30 Nov 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 19.62 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 19 Nov 2025 to 21 Nov 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 19.62 miles from Cardiff.

Traffic in Nearby Villages

Cardiff

Let's Get Social

Get in touch with us or stay up to date with our latest news and updates.

Follow us on Facebook See Traffic Update on Twitter See our Pinterest Images View our Blog

Live Email Traffic Alerts

Get live email alerts whenever there is a traffic incident or roadworks on the on the roads you travel that may cause congestion or jams.

Sign up for free alerts

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.

Advertise on Traffic UpdateYOUR AD HERE

Advertise to millions of motorists, holidaymakers and commuters.

Description: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern,Start time: 17/11/2025 9:09 ,Expected end time:17/11/2025 9:14,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:09
Nearest town: 5.58 miles from Cardiff.

51.5--3.29

Description: A4232 : Now clear : Southbound : M4 J33 Capel Llanilltern to A48 Interchange,Start time: 17/11/2025 9:13 ,Expected end time:17/11/2025 9:18,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:13
Nearest town: 5.22 miles from Cardiff.

51.49--3.29

Description: A470 : Now clear : Northbound : Nantgarw,Start time: 17/11/2025 9:14 ,Expected end time:17/11/2025 9:19,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:14
Nearest town: 7.44 miles from Cardiff.

51.56--3.27

Description: A4232 : Now clear : Northbound : St Fagans to M4 J33 Capel Llanilltern,Start time: 17/11/2025 9:09 ,Expected end time:17/11/2025 9:14,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 9:09
Nearest town: 5.58 miles from Cardiff.

51.5--3.29

Description: A470 : Northbound : Nantgarw : Congestion : offslip : Delays possible :,Start time: 17/11/2025 8:16 ,Expected end time:17/11/2025 9:35,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 8:16
Nearest town: 7.44 miles from Cardiff.

51.56--3.27

Description: A48M : Westbound : J29 Castleton to J29A St Mellons : Congestion : Delays possible :,Start time: 17/11/2025 7:43 ,Expected end time:17/11/2025 9:43,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:43
Nearest town: 5.83 miles from Cardiff.

51.54--3.09

Description: A4232 : Southbound : M4 J33 Capel Llanilltern to A48 Interchange : Congestion : Delays possible :,Start time: 17/11/2025 7:27 ,Expected end time:17/11/2025 9:45,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:27
Nearest town: 5.22 miles from Cardiff.

51.49--3.29

Description: M4 : Eastbound : J33 (Cardiff) Capel Llanilltern : Congestion : offslip : Delays possible :,Start time: 17/11/2025 7:15 ,Expected end time:17/11/2025 9:15,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:15
Nearest town: 6.38 miles from Cardiff.

51.51--3.31

Description: A470 : Southbound : Upper Boat to Coryton : Congestion : Delays possible :,Start time: 17/11/2025 7:01 ,Expected end time:17/11/2025 9:01,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 7:01
Nearest town: 6.78 miles from Cardiff.

51.55--3.27

Description: M4 : Eastbound : J28 (Newport) Tredegar Park to J23A (Magor) Magor : Congestion : Delays possible :,Start time: 17/11/2025 6:44 ,Expected end time:17/11/2025 9:44,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 6:44
Nearest town: 12.23 miles from Cardiff.

51.59--2.96

Description: A4232 : Northbound : St Fagans to M4 J33 Capel Llanilltern : Congestion : Delays possible :,Start time: 17/11/2025 6:54 ,Expected end time:17/11/2025 8:53,Severity: Moderate,Source: Welsh Government,Last updated: 17/11/2025 6:54
Nearest town: 5.58 miles from Cardiff.

51.5--3.29

Description: A4060 : Both directions : Pentrebach to A470 Abercanaid : Roadworks : Closed : Diversions in place : 27/10/25-19/12/25 2000-0600 :,Start time: 27/10/2025 20:00 ,End Date:19/12/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 01/11/2025 7:53
Nearest town: 18.9 miles from Cardiff.

51.72--3.36

Description: A4232 : Both directions : Full closure of East Overbridge of the A4232 roundabout at J33 of the M4 : Roadworks : Diversions in place : 10/11/25-22/11/25 2000-0600 :,Start time: 10/11/2025 20:00 ,End Date:22/11/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 10/11/2025 20:00
Nearest town: 5.58 miles from Cardiff.

51.5--3.29

Description: A4232 : Both directions : Full closure of A4232 northbound from Culverhouse Cross roundabout northbound onslip to the M4 J33 roundabout : Roadworks : Diversions in place : 10/11/25-22/11/25 2000-0600,Start time: 10/11/2025 20:00 ,End Date:22/11/2025 6:00,Severity: Road closure,Source: Welsh Government, Last updated: 10/11/2025 20:00
Nearest town: 4.76 miles from Cardiff.

51.48--3.28

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 November 2025 to 19 November 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 November 2025 to 23 November 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.62 miles from Cardiff.

51.48--2.71

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

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 08:00 on 24 November 2025 to 16:00 on 24 November 2025.
Nearest town: 16.66 miles from Cardiff.

51.45--2.78

Location: southbound between junctions J20 (Nailsea)and J21 (Weston super Mare) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Road repairs are planned.

Status : Pending.

Schedule : From 20:00 on 18 November 2025 to 06:00 on 19 November 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 14.51 miles from Cardiff.

51.4--2.85

Location: southbound between junctions J20 (Nailsea)and J21 (Weston super Mare) .

Lane Closures : Lanes 1,2 and 3 will be closed.

Due to: Road repairs are planned.

Status : Pending.

Schedule : From 20:00 on 19 November 2025 to 06:00 on 20 November 2025.

Lanes Closed : There will be three of four lanes closed.
Nearest town: 14.52 miles from Cardiff.

51.4--2.85

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 17 November 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: 14.54 miles from Cardiff.

51.43--2.84

Location: eastbound between junctions J23 (Chepstow)and J22 (Avonmouth) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 22:00 on 19 November 2025 to 06:00 on 20 November 2025.
Nearest town: 19.79 miles from Cardiff.

51.58--2.74

Location: eastbound between junctions J23 (Chepstow)and J22 (Avonmouth) .

Lane Closures : Lanes 1,2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 22:00 on 19 November 2025 to 06:00 on 20 November 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 19.79 miles from Cardiff.

51.58--2.74

Location: northbound between junctions J19 (Portishead)and J18 (Bristol) .

Lane Closures : The hard shoulder,lanes 1,2 and 3 are closed.

Due to: Roadworks.



Period : expect disruption until 06:00 on 18 November 2025.

Lanes Closed : There are three of four lanes closed.
Nearest town: 19.99 miles from Cardiff.

51.48--2.71

Location: northbound between junctions J19 (Portishead)and J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 November 2025 to 19 November 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 21 November 2025 to 23 November 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.99 miles from Cardiff.

51.48--2.71

Location: northbound between junctions J19 (Portishead)and J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 November 2025 to 21 November 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 19.99 miles from Cardiff.

51.48--2.71

Location: southbound at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 18 November 2025 to 20 November 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.89 miles from Cardiff.

51.48--2.71

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1,2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 17 November 2025 to 21 November 2025.

Schedule : Expect disruption everyday between 19:00 and 07:00 from 21 November 2025 to 23 November 2025.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 23 November 2025 to 28 November 2025.

Schedule : Expect disruption everyday between 19:00 and 07:00 from 28 November 2025 to 30 November 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 19.62 miles from Cardiff.

51.48--2.71

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 19 November 2025 to 21 November 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.62 miles from Cardiff.

51.48--2.71