Traffic Dyffryn Cellwen

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Dyffryn Cellwen
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Nearby: AberdareNeathMerthyr TydfilPort TalbotFfair-fâchPorth

SLIGHT

SEVERE

FULL SCREEN UPDATED: 17:19

Current traffic around Dyffryn Cellwen

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

J38 MARGAM TO J41 PENTYLA/BAGLAN

Description: M4WestboundJ38 (Port Talbot) Margam to J41 (Port Talbot) Pentyla/BaglanRoadworksRoad closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:40
Nearest town: 13.95 miles from Dyffryn Cellwen. CLEARED @ 12:06

J39 GROES

Description: M4WestboundJ39 GroesEntry slip road closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:41
Nearest town: 14.67 miles from Dyffryn Cellwen. CLEARED @ 12:06

J40 TAIBACH

Description: M4WestboundJ40 (Port Talbot) TaibachEntry slip road closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:43
Nearest town: 13.51 miles from Dyffryn Cellwen. CLEARED @ 12:06

J40 TAIBACH TO J41 PENTYLA/BAGLAN

Description: M4EastboundJ40 (Port Talbot) Taibach to J41 (Port Talbot) Pentyla/BaglanResurfacing workRoad closedDiversions in place27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:44
Nearest town: 13.25 miles from Dyffryn Cellwen. CLEARED @ 12:06

J43 LLANDARCY

Description: M4EastboundJ43 (Neath) LlandarcyExit slip road closedDiversions in place28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:45
Nearest town: 11.72 miles from Dyffryn Cellwen. CLEARED @ 12:06

J44 LON LAS

Description: M4EastboundJ44 (Swansea) Lon LasEntry slip road closedDiversions in place28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:47
Nearest town: 11.94 miles from Dyffryn Cellwen. CLEARED @ 12:06

J35 PENCOED

Description: M4WestboundJ35 (Pen-coed) PencoedExit slip road closedDiversions in place27/04/26-01/05/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:38
Nearest town: 19.42 miles from Dyffryn Cellwen. CLEARED @ 11:54

NEATH TO LLANDARCY

Description: A465WestboundNeath to LlandarcyResurfacing workRoad closedDiversions in place28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:16
Nearest town: 10.97 miles from Dyffryn Cellwen. CLEARED @ 11:42

LLANDARCY TO NEATH

Description: A465WestboundLlandarcy to NeathCyclic maintenanceRoad closedDiversions in place29/04/26-30/04/26 2000-0600 :, Start time: 29/04/2026 20:00 , End Date: 30/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:18
Nearest town: 10.97 miles from Dyffryn Cellwen. CLEARED @ 11:42

NEATH

Description: A465Both directionsNeathNorthboundonslipand SouthboundoffslipRoadworks27/04/26 1900-0100 :, Start time: 27/04/2026 19:00 , Expected end time: 27/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:24
Nearest town: 10.3 miles from Dyffryn Cellwen. CLEARED @ 11:42

There are no current incidents in this location.

Roadworks

Traffic in Nearby Villages

Onllwyn (0.62mi)
Coelbren (0.62mi)
Tawe (1.95mi)
Tynewydd (1.96mi)
Pen y cae (1.96mi)
Caehopkin (2.24mi)
Seven Sisters (2.24mi)
Ynyswen (2.24mi)
Abercraf (2.77mi)
Morfa Glas (2.78mi)
Glyn neath (2.78mi)
Mellte (2.92mi)
Nant y cafn (3.1mi)
Penwyllt (3.11mi)
Cae'r bont (3.16mi)
Penrhos (3.16mi)
Blaengwrach (3.17mi)
Cae'r Lan (3.34mi)
Pen common (3.34mi)
Mellte (3.42mi)
Swansea Canal (3.49mi)
Pont Walby (3.51mi)
Pontneddfechan (3.62mi)
Ynys isaf (3.77mi)

Dyffryn Cellwen

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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 : Westbound : J38 (Port Talbot) Margam to J41 (Port Talbot) Pentyla/Baglan : Roadworks : Road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:40
Nearest town: 13.95 miles from Dyffryn Cellwen.

51.58--3.77

Description: M4 : Westbound : J39 Groes : Entry slip road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:41
Nearest town: 14.67 miles from Dyffryn Cellwen.

51.57--3.75

Description: M4 : Westbound : J40 (Port Talbot) Taibach : Entry slip road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:43
Nearest town: 13.51 miles from Dyffryn Cellwen.

51.59--3.77

Description: M4 : Eastbound : J40 (Port Talbot) Taibach to J41 (Port Talbot) Pentyla/Baglan : Resurfacing work : Road closed : Diversions in place : 27/04/26-29/04/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:44
Nearest town: 13.25 miles from Dyffryn Cellwen.

51.6--3.78

Description: M4 : Eastbound : J43 (Neath) Llandarcy : Exit slip road closed : Diversions in place : 28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:45
Nearest town: 11.72 miles from Dyffryn Cellwen.

51.65--3.85

Description: M4 : Eastbound : J44 (Swansea) Lon Las : Entry slip road closed : Diversions in place : 28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:47
Nearest town: 11.94 miles from Dyffryn Cellwen.

51.66--3.88

Description: M4 : Westbound : J35 (Pen-coed) Pencoed : Exit slip road closed : Diversions in place : 27/04/26-01/05/26 2000-0600 :, Start time: 27/04/2026 20:00 , End Date: 01/05/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:38
Nearest town: 19.42 miles from Dyffryn Cellwen.

51.51--3.5

Description: A465 : Westbound : Neath to Llandarcy : Resurfacing work : Road closed : Diversions in place : 28/04/26-29/04/26 2000-0600 :, Start time: 28/04/2026 20:00 , End Date: 29/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:16
Nearest town: 10.97 miles from Dyffryn Cellwen.

51.66--3.84

Description: A465 : Westbound : Llandarcy to Neath : Cyclic maintenance : Road closed : Diversions in place : 29/04/26-30/04/26 2000-0600 :, Start time: 29/04/2026 20:00 , End Date: 30/04/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:18
Nearest town: 10.97 miles from Dyffryn Cellwen.

51.66--3.84

Description: A465 : Both directions : Neath : Northbound : onslip : and Southbound : offslip : Roadworks : 27/04/26 1900-0100 :, Start time: 27/04/2026 19:00 , Expected end time: 27/04/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 24/04/2026 11:24
Nearest town: 10.3 miles from Dyffryn Cellwen.

51.66--3.82

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