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Home / Traffic / Incidents / M4

M4 Moderate Cleared

M4 - Incident

10 Oct 2026, 20:18 Duration: 7h 5m 23 views

Incident Details

The M4 westbound between junctions J15 and J16

RoadM4

SeverityModerate

StatusCleared

Started20:18, 10 Oct 2026

Cleared03:23, 11 Oct 2026

Duration7h 5m

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⚡ Early Warning System

We detected congestion building on the M4 1 minutes before this incident was officially reported.

In the last 30 days, we've detected 330 incidents on the M4 an average of 3244 minutes early.

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