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M4Pentwyn

M4 J30

1 incident reported at M4 J30.

M4 junction 30

Is M4 J30 closed?

1 restriction is in force at M4 J30 right now: J32 Coryton to J30 Cardiff Gate, Incident, Delays (since 08/11/2026 20:43). Nothing is planned to close there tonight. Nothing is planned to close there this weekend.

Updated at 23:15 · refreshes every 5 min

At this junction

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Updated 23:15 · refreshes every 5 min

CongestionJ32 → J30 · EB

J32 Coryton to J30 Cardiff Gate, Incident, Delays

J32 Coryton to J30 Cardiff Gate (Traffic Wales)

Ongoing
Next 2 weeks

Planned later

09/11/2026 20:00

J30 Cardiff Gate, Carriageway maintenance, Entry slip road closed, Diversion, 09/11/26-14/11/26 2000-0600 :

J30 Cardiff Gate · Traffic Wales

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What it serves

Pentwyn

J30 is a junction on the M4.

Junction details © OpenStreetMap contributors

Either side

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