Traffic Pen-twyn

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Pen-twyn
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Nearby: Ffair-fâchLlanelliCarmarthenSwanseaThe MumblesNeath

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FULL SCREEN UPDATED: 15:20

Current traffic around Pen-twyn

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

J46 LLANGYFELACH TO J45 YNYSFORGAN

Description: M4EastboundJ46 (Swansea) Llangyfelach to J45 (Swansea) Ynysforgan17/09/26-18/09/26 1900-0100Carriageway maintenanceClosedDiversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:15
Nearest town: 9.43 miles from Pen-twyn. CLEARED @ 14:42

J48 HENDY

Description: M4WestboundJ48 (Pontarddulais) Hendy14/09/26-15/09/26 1900-0600Carriageway maintenanceExit slip road closedDiversions in place :, Start time: 14/09/2026 19:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:17
Nearest town: 4.9 miles from Pen-twyn. CLEARED @ 14:42

J48 HENDY TO J47 PENLLERGAER

Description: M4EastboundJ48 (Pontarddulais) Hendy to J47 (Swansea) Penllergaer15/09/26-17/09/26 2000-0600Carriageway maintenanceClosedDiversions in place :, Start time: 15/09/2026 20:00 , End Date: 17/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:33
Nearest town: 6.34 miles from Pen-twyn. CLEARED @ 14:42

J48 HENDY

Description: M4WestboundJ48 (Pontarddulais) Hendy17/09/26-18/09/26 1900-0600Carriageway maintenanceExit slip road closedDiversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:38
Nearest town: 4.9 miles from Pen-twyn. CLEARED @ 14:42

ROAD CLOSED: CLOSED; ROADWORKS

Closed; Roadworks
Nearest town: 12.5 miles from Pen-twyn.

There are no current incidents in this location.

Roadworks

Traffic in Nearby Villages

Pen twyn (0mi)
Cross Hands (0.62mi)
Cwmgwili (0.88mi)
Morfa (0.88mi)
Tumble (1.24mi)
Cefneithin (1.39mi)
Gorslas (1.39mi)
Pen y groes (1.75mi)
Capel Hendre (1.86mi)
Cwm mawr (1.96mi)
Castell y rhingyll (1.96mi)
Llwyn teg (1.96mi)
Cae'r bryn (2.24mi)
Greynor (2.24mi)
Bryndu (2.24mi)
Foel gastell (2.24mi)
Saron (2.55mi)
Tycroes (2.56mi)
Llannon (2.63mi)
Penybanc (3.1mi)
Blaenau (3.1mi)
Maesybont (3.11mi)
Capel Seion (3.34mi)
Carmel (3.34mi)
Sardis (3.34mi)
Gwendraeth Fach (3.5mi)
Pontyberem (3.72mi)
Rhydaman (Ammanford) (3.77mi)
Ammanford (Rhydaman) (3.77mi)
Pantyffynnon (3.77mi)
Pentre (3.77mi)
Tir y dail (3.92mi)

Pen-twyn

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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 : Eastbound : J46 (Swansea) Llangyfelach to J45 (Swansea) Ynysforgan : 17/09/26-18/09/26 1900-0100 : Carriageway maintenance : Closed : Diversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 1:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:15
Nearest town: 9.43 miles from Pen-twyn.

51.68--3.94

Description: M4 : Westbound : J48 (Pontarddulais) Hendy : 14/09/26-15/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :, Start time: 14/09/2026 19:00 , End Date: 15/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:17
Nearest town: 4.9 miles from Pen-twyn.

51.71--4.06

Description: M4 : Eastbound : J48 (Pontarddulais) Hendy to J47 (Swansea) Penllergaer : 15/09/26-17/09/26 2000-0600 : Carriageway maintenance : Closed : Diversions in place :, Start time: 15/09/2026 20:00 , End Date: 17/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:33
Nearest town: 6.34 miles from Pen-twyn.

51.7--4.03

Description: M4 : Westbound : J48 (Pontarddulais) Hendy : 17/09/26-18/09/26 1900-0600 : Carriageway maintenance : Exit slip road closed : Diversions in place :, Start time: 17/09/2026 19:00 , End Date: 18/09/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 12/09/2026 10:38
Nearest town: 4.9 miles from Pen-twyn.

51.71--4.06

Closed; Roadworks
Nearest town: 12.5 miles from Pen-twyn.

51.62--3.95

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