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M4 : Eastbound : J29 Castleton to J26 Malpas : Congestion : Delays possible :

Active

Description: M4 : Eastbound : J29 Castleton to J26 Malpas : Congestion : Delays possible :, Start time: 30/10/2026 12:56 , Expected end time: 30/10/2026 18:55, Severity: Slight, Source: Welsh Government, Last updated: 30/10/2026 12:56

Start time
To be confirmed
Expected end
Awaiting update
Duration
Live incident
Live incident
Active roadworks
Planned
Cleared
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First published
Fri, Oct 30, 2026 12:56 PM
Coordinates
51.572979, -3.032790
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

M4 : Eastbound : J28 Tredegar Park to J26 Malpas : Roadworks : Road closed : Diversions in place : 02/11/26-07/11/26 2000-0600 :

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Started Start time TBC

Description: M4 : Eastbound : J28 Tredegar Park to J26 Malpas : Roadworks : Road closed : Diversions in place : 02/11/26-07/11/26 2000-0600 :, Start time: 02/11/2026 20:00 , End Date: 07/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:46

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M4 : Westbound : J24 Coldra : Roadworks : Exit slip road closed : Diversions in place : 01/11/26-06/11/26 2000-0600 :

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Started Start time TBC

Description: M4 : Westbound : J24 Coldra : Roadworks : Exit slip road closed : Diversions in place : 01/11/26-06/11/26 2000-0600 :, Start time: 01/11/2026 20:00 , End Date: 06/11/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 30/10/2026 13:45

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M4 : Eastbound : J30 Cardiff Gate to J28 Tredegar Park : Congestion : Delays possible :

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Started Start time TBC Ended 26 Nov 2025, 19:20

Description: M4 : Eastbound : J30 Cardiff Gate to J28 Tredegar Park : Congestion : Delays possible :, Start time: 26/11/2025 17:15 , Expected end time: 26/11/2025 20:15, Severity: Moderate, Source: Welsh Government, Last updated: 26/11/2025 17:15

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M4 : Westbound : J23A Magor to J26 Malpas : Congestion :

Cleared Roadworks Traffic Wales
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Cleared 4 months 3 days ago

Started Start time TBC Ended 26 Jun 2026, 19:05

Description: M4 : Westbound : J23A Magor to J26 Malpas : Congestion :, Start time: 26/06/2026 12:56 , Expected end time: 26/06/2026 18:56, Severity: Moderate, Source: Welsh Government, Last updated: 26/06/2026 12:56

View update

M4 : Eastbound : J28 Tredegar Park to J26 Malpas : Congestion : Delays possible :

Cleared Roadworks Traffic Wales
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Cleared 1 month 1 week ago

Started Start time TBC Ended 23 Sep 2026, 07:30

Description: M4 : Eastbound : J28 Tredegar Park to J26 Malpas : Congestion : Delays possible :, Start time: 23/09/2026 7:09 , Expected end time: 23/09/2026 9:09, Severity: Slight, Source: Welsh Government, Last updated: 23/09/2026 7:09

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M4 : Now clear : Eastbound : JBGT Brynglas Tunnels

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Newport

Cleared 4 months 4 weeks ago

Started Start time TBC Ended 2 Jun 2026, 00:40

Description: M4 : Now clear : Eastbound : JBGT Brynglas Tunnels, Start time: 01/06/2026 23:16 , Expected end time: 01/06/2026 23:21, Severity: Slight, Source: Welsh Government, Last updated: 01/06/2026 23:16

View update