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M4 : Westbound : J24 Coldra : Offslip closed : 18/10/26-19/10/26 2000-0600 : Road closed : Diversions in place :

Active

Description: M4 : Westbound : J24 Coldra : Offslip closed : 18/10/26-19/10/26 2000-0600 : Road closed : Diversions in place :, Start time: 18/10/2026 20:00 , End Date: 19/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/10/2026 10:53

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 16, 2026 10:53 AM
Coordinates
51.601486, -2.920105
Feed provider
Traffic Wales
Coordinate source
Georss Point

Source: Traffic Wales data feed

Related incidents

M4 : Westbound : J24 Coldra to J28 Tredegar Park : Road closed : 19/10/26-23/10/26 2000-0600 : Diversions in place :

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Started Start time TBC

Description: M4 : Westbound : J24 Coldra to J28 Tredegar Park : Road closed : 19/10/26-23/10/26 2000-0600 : Diversions in place :, Start time: 19/10/2026 20:00 , End Date: 23/10/2026 6:00, Severity: Road closure, Source: Welsh Government, Last updated: 16/10/2026 10:54

View update

M4 : Eastbound : J25A Grove Park : Onslip closed : 18/10/26 0600-1130 : Diversions in place :

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Started Start time TBC

Description: M4 : Eastbound : J25A Grove Park : Onslip closed : 18/10/26 0600-1130 : Diversions in place :, Start time: 18/10/2026 6:00 , End Date: 18/10/2026 11:30, Severity: Road closure, Source: Welsh Government, Last updated: 16/10/2026 10:55

View update

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

Cleared Roadworks Traffic Wales
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Cleared 10 months 2 weeks ago

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

View update

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

Cleared Roadworks Traffic Wales
Newport

Cleared 3 months 2 weeks 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
Newport

Cleared 3 weeks 3 days 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

View update

M4 : Now clear : Eastbound : JBGT Brynglas Tunnels

Cleared Roadworks Traffic Wales
Newport

Cleared 4 months 2 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