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At a glance

🕐 Last verified 2 Mar, 04:55

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StatusCleared
Severity (NH)Severe
RoadM4
DirectionWestbound
RegionEastern
CountyWest Berkshire
Category (NH)Vehicle Fire
ReportedMon 2 Mar, 03:15
Cleared04:55
Lasted1h 40m
Road typeMotorway
Speed limit70 mph (variable)
Weather☁️ Overcast
ReferenceREF-17939661

Times are UK time.

What National Highways say

M4 westbound at the Reading services slip road between J11 and J12 | Westbound | Vehicle Fire

Location : The M4 westbound exit slip at Reading Services. Reason : Vehicle fire. Status : Currently Active. Time To Clear : The event is expected to clear between 04:45 and 05:00 on 2 March 2026. Return To Normal : Normal traffic conditions are expected between 04:45 and 05:00 on 2 March 2026. Lanes Closed : All lanes are closed.

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

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Live Incident Timeline

1 update captured · 2 affected segments · Cleared

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Recent M4 incidents

183 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 04:55 UK time on Mon 2 Mar. See the M4 right now.

What happened on the M4 on 2 Mar 2026?

Vehicle fire on the M4 westbound J11 to J12 in West Berkshire, reported at 03:15 UK time on Mon 2 Mar. Cleared at 04:55.

How long did it last?

1h 40m, from 03:15 UK time on Mon 2 Mar.

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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