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At a glance

🕐 Last verified 3 Aug, 22:45

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StatusCleared
Severity (NH)Severe
RoadM4
DirectionWestbound
RegionWiltshire
ReportedMon 3 Aug, 12:59
Cleared23:30
Lasted10h 31m
Road typeMotorway
Speed limit70 mph (variable)
Weather🌤️ Mainly clear
ReferenceREF-26210556
Views113

Times are UK time.

What National Highways say

M4 | Wiltshire | Carriageway Closure | Expect Delays

The M4 in Wiltshire is closed westbound between J15 (Coate) and J16 (near Swindon) due to an HGV fire. The HGV is carrying bales of hay.

The official National Highways record of this incident, kept here after the road reopens.

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35 updates captured · Cleared

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M4  · Westbound J15 to J16 ✓ CLEARED

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Recent M4 incidents

182 incidents and roadworks logged on the M4 in the last 30 days, 56 of them serious or severe. Times are UK time.

M4 | Berkshire | Carriageway Closure | DelaysWed 9 Sep, 21:42 M4 | Berkshire | Carriageway Closure | Long Delays 30 minutesWed 9 Sep, 21:42 M4 | Greater London | Carriageway ClosureWed 9 Sep, 01:27 M4 | Gloucestershire | Road Closure | Expect DelaysWed 2 Sep, 22:45 M4 | Wiltshire | Carriageway Closure | Expect DelaysSat 15 Aug, 02:59 M4 | Wiltshire | Carriageway Closure | Expect DelaysThu 6 Aug, 09:35
Every M4 incident

Common questions

Is the M4 closed?

Not because of this vehicle fire. It cleared at 23:30 UK time on Mon 3 Aug. See the M4 right now.

What happened on the M4 on 3 Aug 2026?

Vehicle fire on the M4 westbound in Wiltshire, reported at 12:59 UK time on Mon 3 Aug. Cleared at 23:30.

How long did it last?

10h 31m, from 12:59 UK time on Mon 3 Aug.

Where can I see everything else on the M4?

The M4 live page shows what is happening now, and the M4 archive has every incident on record.

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