Traffic Cefn

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Current traffic around Cefn

The following traffic incidents and congestion for Cefn 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: 9.5 miles from Cefn. CLEARED @ 14:18
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: 12.06 miles from Cefn. 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: 9.38 miles from Cefn. 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: 11.51 miles from Cefn. 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: 11.51 miles from Cefn. 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: 12.06 miles from Cefn. CLEARED @ 14:06


There are no current incidents in this location.

Roadworks

ROAD WORKS
Location: The M5 southbound exit slip at junction J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 17.25 miles from Cefn.
ROAD WORKS
Location: The A4 westbound.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 16.62 miles from Cefn.
ROAD WORKS
Location: The A4 westbound.
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 16.85 miles from Cefn.
ROAD WORKS
Location: The A4 eastbound.
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be one of three lanes closed.
Nearest town: 16.83 miles from Cefn.
ROAD WORKS
Location: The M5 southbound at junction J18 (Bristol) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 17.48 miles from Cefn.
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: From 21:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be two of four lanes closed.
Nearest town: 16.75 miles from Cefn.
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: From 21:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 16.7 miles from Cefn.
ROAD WORKS
Location: The M5 southbound between junctions J18 (Bristol) and J19 (Portishead) .
Lane closures: Lanes 1 and 2 will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be two of four lanes closed.
Nearest town: 17.28 miles from Cefn.
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: From 21:00 on 24 Jul 2025 to 06:00 on 25 Jul 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 16.49 miles from Cefn.
ROAD WORKS
Location: The M48 westbound between the M4 and junction J1 (Avonmouth) .
Lane closures: Lane two will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 21:00 on 29 Jul 2025 to 05:00 on 30 Jul 2025.
Lanes Closed: There will be one of two lanes closed.
Nearest town: 19.74 miles from Cefn.
ROAD WORKS
Location: The M5 southbound entry slip at junction J17 (Bristol West) .
Lane closures: Lane one will be closed.
Reason: Roadworks are planned.
Status: Pending.
Schedule: From 20:00 on 29 Jul 2025 to 06:00 on 30 Jul 2025.
Lanes Closed: All lanes will be closed.
Nearest town: 19.51 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
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 28 Jul 2025 to 1 Aug 2025.
Schedule: From 22:00 on 1 Aug 2025 to 06:00 on 2 Aug 2025.
Lanes Closed: There will be two of three lanes closed.
Nearest town: 19.56 miles from Cefn.
ROAD WORKS
Location: The M5 northbound between junctions J17 (Bristol West) and J16 (Thornbury) .
Reason: Roadworks scheme is planned.
Status: Pending.
Schedule: From 21:00 on 28 Jul 2025 to 06:00 on 2 Aug 2025.
Nearest town: 19.56 miles from Cefn.
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: 14.12 miles from Cefn.

Traffic in Nearby Villages

Cefn

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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: 9.5 miles from Cefn.

51.55--3.27

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: 12.06 miles from Cefn.

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: 9.38 miles from Cefn.

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: 11.51 miles from Cefn.

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: 11.51 miles from Cefn.

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: 12.06 miles from Cefn.

51.49--3.29

Location: southbound exit slip at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 17.25 miles from Cefn.

51.5--2.68

Location: westbound.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 16.62 miles from Cefn.

51.5--2.69

Location: westbound.

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 16.85 miles from Cefn.

51.5--2.69

Location: eastbound.

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be one of three lanes closed.
Nearest town: 16.83 miles from Cefn.

51.5--2.69

Location: southbound at junction J18 (Bristol) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 17.48 miles from Cefn.

51.5--2.67

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 : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 16.75 miles from Cefn.

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 : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.7 miles from Cefn.

51.48--2.71

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

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be two of four lanes closed.
Nearest town: 17.28 miles from Cefn.

51.5--2.68

Location: northbound at junction J19 (Portishead) .

Lane Closures : Lanes 1 and 2 will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 24 July 2025 to 06:00 on 25 July 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 16.49 miles from Cefn.

51.48--2.71

Location: westbound between the M4 and junction J1 (Avonmouth) .

Lane Closures : Lane two will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 21:00 on 29 July 2025 to 05:00 on 30 July 2025.

Lanes Closed : There will be one of two lanes closed.
Nearest town: 19.74 miles from Cefn.

51.58--2.6

Location: southbound entry slip at junction J17 (Bristol West) .

Lane Closures : Lane one will be closed.

Due to: Roadworks are planned.

Status : Pending.

Schedule : From 20:00 on 29 July 2025 to 06:00 on 30 July 2025.

Lanes Closed : All lanes will be closed.
Nearest town: 19.51 miles from Cefn.

51.53--2.61

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .

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 28 July 2025 to 1 August 2025.

Schedule : From 22:00 on 1 August 2025 to 06:00 on 2 August 2025.

Lanes Closed : There will be two of three lanes closed.
Nearest town: 19.56 miles from Cefn.

51.53--2.61

Location: northbound between junctions J17 (Bristol West) and J16 (Thornbury) .

Due to: Roadworks scheme is planned.

Status : Pending.

Schedule : From 21:00 on 28 July 2025 to 06:00 on 2 August 2025.
Nearest town: 19.56 miles from Cefn.

51.53--2.61

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: 14.12 miles from Cefn.

51.43--2.84