M4 - Incident

23 Sep 2026, 05:34 Duration: 47 min 4 views

The M4 eastbound entry slip at junction J4B

RoadM4

SeveritySevere

StatusCleared

Started05:34, 23 Sep 2026

Cleared06:21, 23 Sep 2026

Duration47 min

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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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