M4 - Incident

18 Sep 2026, 20:21 Duration: 126h 27m 1 views

M4 westbound between J8 and J10

RoadM4

SeverityMinor

StatusCleared

Started20:21, 18 Sep 2026

Cleared02:48, 24 Sep 2026

Duration126h 27m

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⚡ Early Warning System

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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