Traffic Cardiff

SLIGHT
SEVERE
FULL SCREENUPDATED: 09:24
×
×

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:

M4 J33 CAPEL LLANILLTERN TO A48 INTERCHANGE
Description: A4232SouthboundM4 J33 Capel Llanilltern to A48 InterchangeCongestionDelay: s possible :,Start time: 30/01/2026 8:22 ,Expected end time:30/01/2026 11:22,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 8:22
Nearest town: 5.22 miles from Cardiff. CLEARED @ 08:30
J33 CAPEL LLANILLTERN
Description: M4EastboundJ33 (Cardiff) Capel LlanillternCongestionoffslipDelay: s possible :,Start time: 30/01/2026 7:45 ,Expected end time:30/01/2026 10:45,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 7:45
Nearest town: 6.38 miles from Cardiff. CLEARED @ 07:54
NANTGARW TO CORYTON
Description: A470SouthboundNantgarw to CorytonCongestionDelay: s possible :,Start time: 30/01/2026 7:12 ,Expected end time:30/01/2026 10:12,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 7:12
Nearest town: 6.18 miles from Cardiff. CLEARED @ 07:18


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M5 southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .
Lane closures: Lane one will be closed.
Reason: Road repairs are planned.
Status: Pending.
Schedule: From 21:00 on 30 Jan 2026 to 06:00 on 31 Jan 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 18.23 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J22 (Burnham on Sea)and J21 (Weston super Mare) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 30 Jan 2026 to 06:00 on 31 Jan 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 17.2 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 31 Jan 2026.
Lanes Closed: There are three of four lanes closed.
Nearest town: 19.99 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: From 21:00 on 30 Jan 2026 to 06:00 on 31 Jan 2026.
Lanes Closed: All lanes will be closed.
Nearest town: 19.62 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J20 (Nailsea)and J21 (Weston super Mare) .
Lane closures: The hard shoulder,lanes 1 and 2 are closed.
Reason: Roadworks.
Status: Currently Active.
Lanes Closed: There are two of three lanes closed.
Nearest town: 14.18 miles from Cardiff. CLEARED @ 07:29
ROAD WORKS
Location: The M5 southbound between junctions J20 (Nailsea)and J22 (Burnham on Sea) .
Reason: Roadworks scheme.
Status: Currently Active.
Period: from 20:11 on 29 Jan 2026 to 06:00 on 3 Feb 2026.
Nearest town: 14.18 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea)and J19 (Portishead) .
Reason: Roadworks scheme.
Status: Currently Active.
Period: from 20:11 on 29 Jan 2026 to 06:00 on 30 Jan 2026.
Nearest town: 18.67 miles from Cardiff. CLEARED @ 07:29
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Reason: Roadworks.
Status: Currently Active.
Period: expect disruption until 06:00 on 30 Jan 2026.
Lanes Closed: All lanes are closed.
Nearest town: 19.5 miles from Cardiff. CLEARED @ 07:29
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea)and J19 (Portishead) .
Lane closures: The hard shoulder,lanes 1 and 2 are closed.
Reason: Roadworks.
Status: Currently Active.
Lanes Closed: There are two of three lanes closed.
Nearest town: 18.67 miles from Cardiff. CLEARED @ 07:29
ROAD WORKS
Location: The M5 southbound exit slip at junction J21 (Weston super Mare) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 2 Feb 2026 to 7 Feb 2026.
Schedule: Expect disruption everyday between 20:00 and 06:00 from 9 Feb 2026 to 12 Feb 2026.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 14.32 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J19 (Portishead)and J18 (Bristol) .
Lane closures: Lanes 2,3 and 4 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 2 Feb 2026 to 7 Feb 2026.
Lanes Closed: There will be three of four lanes closed.
Nearest town: 19.99 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound at junction J19 (Portishead) .
Lane closures: Lanes 2 and 3 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 21:00 and 06:00 from 2 Feb 2026 to 7 Feb 2026.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 19.62 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea)and J19 (Portishead) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: Expect disruption everyday between 09:00 and 15:00 from 2 Feb 2026 to 5 Feb 2026.
Schedule: Expect disruption everyday between 09:00 and 15:00 from 9 Feb 2026 to 12 Feb 2026.
Schedule: Expect disruption everyday between 09:00 and 15:00 from 16 Feb 2026 to 19 Feb 2026.
Schedule: Expect disruption everyday between 09:00 and 15:00 from 23 Feb 2026 to 26 Feb 2026.
Lanes Closed: There will be one of four lanes closed.
Nearest town: 14.81 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 2 Feb 2026 to 17:00 on 6 Feb 2026.
Schedule: From 08:00 on 9 Feb 2026 to 17:00 on 13 Feb 2026.
Schedule: From 08:00 on 16 Feb 2026 to 17:00 on 20 Feb 2026.
Schedule: From 08:00 on 23 Feb 2026 to 17:00 on 27 Feb 2026.
Nearest town: 16.8 miles from Cardiff.
ROAD WORKS
Location: The M5 northbound between junctions J20 (Nailsea)and J19 (Portishead) .
Reason: Barrier repairs are planned.
Status: Pending.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 2 Feb 2026 to 6 Feb 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 9 Feb 2026 to 13 Feb 2026.
Schedule: Expect disruption everyday between 08:00 and 17:00 from 16 Feb 2026 to 20 Feb 2026.
Nearest town: 16.72 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 3 Feb 2026 to 06:00 on 4 Feb 2026.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 15.78 miles from Cardiff.
ROAD WORKS
Location: The M5 southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 2 Feb 2026 to 06:00 on 3 Feb 2026.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 15.09 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 30 Jan 2026 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.

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 : Southbound : M4 J33 Capel Llanilltern to A48 Interchange : Congestion : Delays possible :,Start time: 30/01/2026 8:22 ,Expected end time:30/01/2026 11:22,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 8:22
Nearest town: 5.22 miles from Cardiff.

51.49--3.29

Description: M4 : Eastbound : J33 (Cardiff) Capel Llanilltern : Congestion : offslip : Delays possible :,Start time: 30/01/2026 7:45 ,Expected end time:30/01/2026 10:45,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 7:45
Nearest town: 6.38 miles from Cardiff.

51.51--3.31

Description: A470 : Southbound : Nantgarw to Coryton : Congestion : Delays possible :,Start time: 30/01/2026 7:12 ,Expected end time:30/01/2026 10:12,Severity: Moderate,Source: Welsh Government,Last updated: 30/01/2026 7:12
Nearest town: 6.18 miles from Cardiff.

51.54--3.26

Location: southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .

Lane Closures : Lane one will be closed.

Due to: Road repairs are planned.

Status : Pending.

Schedule : From 21:00 on 30 January 2026 to 06:00 on 31 January 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 18.23 miles from Cardiff.

51.26--2.92

Location: northbound between junctions J22 (Burnham on Sea)and J21 (Weston super Mare) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 30 January 2026 to 06:00 on 31 January 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 17.2 miles from Cardiff.

51.29--2.89

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 31 January 2026.

Lanes Closed : There are three of four lanes closed.
Nearest town: 19.99 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 : From 21:00 on 30 January 2026 to 06:00 on 31 January 2026.

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

51.48--2.71

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

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

Due to: Roadworks.



Lanes Closed : There are two of three lanes closed.
Nearest town: 14.18 miles from Cardiff.

51.38--2.88

Location: southbound between junctions J20 (Nailsea)and J22 (Burnham on Sea) .

Due to: Roadworks scheme.



Period : from 20:11 on 29 January 2026 to 06:00 on 3 February 2026.
Nearest town: 14.18 miles from Cardiff.

51.38--2.88

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

Due to: Roadworks scheme.



Period : from 20:11 on 29 January 2026 to 06:00 on 30 January 2026.
Nearest town: 18.67 miles from Cardiff.

51.47--2.74

Location: northbound at junction J19 (Portishead) .

Due to: Roadworks.



Period : expect disruption until 06:00 on 30 January 2026.

Lanes Closed : All lanes are closed.
Nearest town: 19.5 miles from Cardiff.

51.48--2.72

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

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

Due to: Roadworks.



Lanes Closed : There are two of three lanes closed.
Nearest town: 18.67 miles from Cardiff.

51.47--2.74

Location: southbound exit slip at junction J21 (Weston super Mare) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 2 February 2026 to 7 February 2026.

Schedule : Expect disruption everyday between 20:00 and 06:00 from 9 February 2026 to 12 February 2026.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 14.32 miles from Cardiff.

51.36--2.89

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

Lane Closures : Lanes 2,3 and 4 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 2 February 2026 to 7 February 2026.

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

51.48--2.71

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 2 and 3 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 21:00 and 06:00 from 2 February 2026 to 7 February 2026.

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

51.48--2.71

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

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : Expect disruption everyday between 09:00 and 15:00 from 2 February 2026 to 5 February 2026.

Schedule : Expect disruption everyday between 09:00 and 15:00 from 9 February 2026 to 12 February 2026.

Schedule : Expect disruption everyday between 09:00 and 15:00 from 16 February 2026 to 19 February 2026.

Schedule : Expect disruption everyday between 09:00 and 15:00 from 23 February 2026 to 26 February 2026.

Lanes Closed : There will be one of four lanes closed.
Nearest town: 14.81 miles from Cardiff.

51.44--2.83

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

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 08:00 on 2 February 2026 to 17:00 on 6 February 2026.

Schedule : From 08:00 on 9 February 2026 to 17:00 on 13 February 2026.

Schedule : From 08:00 on 16 February 2026 to 17:00 on 20 February 2026.

Schedule : From 08:00 on 23 February 2026 to 17:00 on 27 February 2026.
Nearest town: 16.8 miles from Cardiff.

51.45--2.78

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

Due to: Barrier repairs are planned.

Status : Pending.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 2 February 2026 to 6 February 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 9 February 2026 to 13 February 2026.

Schedule : Expect disruption everyday between 08:00 and 17:00 from 16 February 2026 to 20 February 2026.
Nearest town: 16.72 miles from Cardiff.

51.45--2.78

Location: southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 3 February 2026 to 06:00 on 4 February 2026.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 15.78 miles from Cardiff.

51.33--2.89

Location: southbound between junctions J21 (Weston super Mare)and J22 (Burnham on Sea) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 2 February 2026 to 06:00 on 3 February 2026.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 15.09 miles from Cardiff.

51.34--2.89

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 30 January 2026 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