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At a glance

🕐 Last verified 15 Mar, 18:05

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StatusCleared
Severity (NH)Severe
RoadM25
DirectionAnti-clockwise
RegionSouth East
CountyWindsor and Maidenhead
Category (NH)Accident
ReportedSun 15 Mar, 17:04
Cleared18:05
Lasted1h
Road typeMotorway
Speed limit70 mph (variable)
Weather🌧️ Slight rain
ReferenceREF-24243486

Times are UK time.

What National Highways say

M25 anti-clockwise between J13 and J12 | Anti-Clockwise | Accident

Location : The M25 anticlockwise between junctions J13 and J12 . Lane Closures : The hard shoulder, lanes 1 and 2 are closed. Reason : Road traffic collision. Status : Currently Active. Time To Clear : The event is expected to clear between 17:30 and 17:45 on 15 March 2026. Return To Normal : Normal traffic conditions are expected between 18:15 and 18:30 on 15 March 2026. Delay : There are currently delays of 15 minutes against expected traffic. Lanes Closed : There are two of five 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 M25 incidents

330 incidents and roadworks logged on the M25 in the last 30 days, 134 of them serious or severe. Times are UK time.

M25 | Surrey | Carriageway Closure | Expect DelaysThu 3 Sep, 12:46 M25 | Essex | Carriageway Closure | Expect DelaysWed 2 Sep, 16:53 M25 | Surrey | Carriageway Closure | Long Delays 30 minutesTue 1 Sep, 00:24 M25 | Hertfordshire | Carriageway Closure | Expect DelaysFri 28 Aug, 19:15 M25 | Hertfordshire | Carriageway Closure | Expect DelaysMon 24 Aug, 04:36 M25 | Essex | Carriageway Closure | Long Delays 60 minutesWed 12 Aug, 16:50
Every M25 incident

Common questions

Is the M25 closed?

Not because of this crash. It cleared at 18:05 UK time on Sun 15 Mar. See the M25 right now.

What happened on the M25 on 15 Mar 2026?

Crash on the M25 anti-clockwise J13 to J12 in Windsor and Maidenhead, reported at 17:04 UK time on Sun 15 Mar. Cleared at 18:05.

How long did it last?

1h, from 17:04 UK time on Sun 15 Mar.

Where can I see everything else on the M25?

The M25 live page shows what is happening now, and the M25 archive has every incident on record.

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