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M4 : Eastbound : J41 Pentyla/Baglan to J40 Taibach :

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  3. M4 : Eastbound : J41 Pentyla/Baglan to J40 Taibach :
M4 : Eastbound : J41 Pentyla/Baglan to J40 Taibach : Roadworks : Entry slip road closed : Diversions in place : 19/01/26-20/01/26 2000-0600 :
Type of event: Roadworks
Severity of disruption: Road closure
Start Date: 19/01/2026
End Date: 20/01/2026

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First Published
16/01/2026 12:13
Reference Number
RNMDA_2026126638
Last Updated
16/01/2026 12:13
Source Agency
Welsh Government
Connect with Traffic Wales