M4 - Incident

6h ago Duration: 1h 9 views

M4 : Eastbound : J24 Coldra to J23A Magor : Heavy traffic :

RoadM4

SeverityMinor

StatusCleared

Started05:34, 24 Sep 2026

Cleared06:34, 24 Sep 2026

Duration1h

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We detected congestion building on the M4 28 minutes before this incident was officially reported.

In the last 30 days, we've detected 20 incidents on the M4 an average of 1265 minutes early.

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