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Home / Traffic / Incidents / M4

M4 Severe Cleared

M4 - Collision

10 Jan 2026, 03:31 Duration: 6348h 58m South West 44 views

Incident Details

The M4 westbound in Wiltshire is closed between J16 (near Swindon) and J17 (near Chippenham) to allow for emergency repairs to take place following a serious collision that occurred approx. 20:05 on the 18.07.26

RoadM4

SeveritySevere

StatusCleared

Started03:31, 10 Jan 2026

Cleared17:29, 1 Oct 2026

Duration6348h 58m

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⚡ Early Warning System

We detected congestion building on the M4 44 minutes before this incident was officially reported.

In the last 30 days, we've detected 441 incidents on the M4 an average of 2546 minutes early.

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