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At a glance

🕐 Last verified 22 Feb, 18:50

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StatusCleared
Severity (NH)Severe
RoadM4
DirectionWestbound
RegionSouth West
CountyWiltshire
Category (NH)Accident
ReportedSun 22 Feb, 16:30
Cleared18:50
Lasted2h 20m
Road typeMotorway
Speed limit70 mph (variable)
Weather☀️ Clear sky
ReferenceREF-8964642

Times are UK time.

What National Highways say

M4 westbound between J16 and J17 | Westbound | Accident

Location : The M4 westbound between junctions J16 and J17 . Lane Closures : The hard shoulder and lane 1 are closed. Reason : Accident involving a vehicle that has left the carriageway. Status : Currently Active. Time To Clear : The event is expected to clear between 20:45 and 21:00 on 22 February 2026. Return To Normal : Normal traffic conditions are expected between 21:15 and 21:30 on 22 February 2026. Lanes Closed : There is one of three lanes closed.

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

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1 update captured · 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 crash. It cleared at 18:50 UK time on Sun 22 Feb. See the M4 right now.

What happened on the M4 on 22 Feb 2026?

Crash on the M4 westbound J16 to J17 in Wiltshire, reported at 16:30 UK time on Sun 22 Feb. Cleared at 18:50.

How long did it last?

2h 20m, from 16:30 UK time on Sun 22 Feb.

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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