Traffic Llanarthney

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FULL SCREEN UPDATED: 14:18
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Current traffic around Llanarthney

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

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: 10.78 miles from Llanarthney. CLEARED @ 13:54
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: 12.22 miles from Llanarthney. CLEARED @ 13:54
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: 10.78 miles from Llanarthney. CLEARED @ 13:54


There are no current incidents in this location.

Roadworks


Traffic in Nearby Villages

Llanarthney

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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: 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: 10.78 miles from Llanarthney.

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: 12.22 miles from Llanarthney.

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: 10.78 miles from Llanarthney.

51.71--4.06