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Home / Traffic / Incidents / M4

M4 Severe Cleared

M4 - Incident

1 Oct 2026, 00:33 Duration: 15h 50m 114 views

Incident Details

The M4 eastbound between junctions J17 and J16

RoadM4

SeveritySevere

StatusCleared

Started00:33, 1 Oct 2026

Cleared16:24, 1 Oct 2026

Duration15h 50m

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⚡ Early Warning System

We detected congestion building on the M4 10 minutes before this incident was officially reported.

In the last 30 days, we've detected 380 incidents on the M4 an average of 2863 minutes early.

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