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Home / Traffic / Incidents / M4

M4 Minor Cleared

M4 - Incident

4 Oct 2026, 21:34 Duration: 3h 42 views

Incident Details

M4 : Now open : Both directions : J45 Ynysforgan to J46 Llangyfelach

RoadM4

SeverityMinor

StatusCleared

Started21:34, 4 Oct 2026

Cleared00:34, 5 Oct 2026

Duration3h

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⚡ Early Warning System

We detected congestion building on the M4 35 minutes before this incident was officially reported.

In the last 30 days, we've detected 363 incidents on the M4 an average of 2996 minutes early.

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