Traffic Castle upon Alun

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FULL SCREEN UPDATED: 01:56
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Current traffic around Castle upon Alun

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

J35 PENCOED TO J36 SARN
Description: M4WestboundJ35 (Pen-coed) Pencoed to J36 (Bridgend) SarnRoad closed27/10/26-30/10/26 2000-0600Diversions in place :, Start time: 27/10/2026 20:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 20:00
Nearest town: 5.5 miles from Castle upon Alun.
J38 MARGAM
Description: M4WestboundJ38 (Port Talbot) MargamCyclic maintenanceExit slip road closed26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
Nearest town: 10.45 miles from Castle upon Alun.
J39 GROES
Description: M4WestboundJ39 GroesCarriageway maintenanceEntry slip road closedDiversions in place26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
Nearest town: 11.05 miles from Castle upon Alun.


There are no current incidents in this location.

Roadworks


Traffic in Nearby Villages

Castle upon Alun

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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 : J35 (Pen-coed) Pencoed to J36 (Bridgend) Sarn : Road closed : 27/10/26-30/10/26 2000-0600 : Diversions in place :, Start time: 27/10/2026 20:00 , End Date: 30/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 27/10/2026 20:00
Nearest town: 5.5 miles from Castle upon Alun.

51.53--3.54

Description: M4 : Westbound : J38 (Port Talbot) Margam : Cyclic maintenance : Exit slip road closed : 26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
Nearest town: 10.45 miles from Castle upon Alun.

51.56--3.74

Description: M4 : Westbound : J39 Groes : Carriageway maintenance : Entry slip road closed : Diversions in place : 26/10/26-31/10/26 2000-0600 :, Start time: 26/10/2026 20:00 , End Date: 31/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 26/10/2026 20:00
Nearest town: 11.05 miles from Castle upon Alun.

51.57--3.75