A tragic accident on the M4 slip road in Berkshire resulted in the death of a child following a minibus overturning on May 11, 2025.

The single-vehicle collision led to the closure of both eastbound and westbound lanes between Junctions 11 and 8, causing significant traffic disruptions.

Emergency services, including five critical care units and two air ambulances, responded swiftly to the scene after being alerted shortly after 2:24 PM.

A spokesperson for Thames Valley Air Ambulance confirmed that they dispatched a helicopter and a critical care response vehicle to provide advanced care.

Several passengers in the minibus sustained serious injuries and required hospital treatment, highlighting the severity of the incident.

Thames Valley Police confirmed that the incident was a single vehicle collision and stated that no arrests have been made in connection with the accident.

Police expressed condolences to the family of the deceased child and are providing support during this difficult time.

Motorists are advised to avoid the area as road closures are expected to last for an extended period, with diversion routes established to mitigate congestion.

Traffic delays have been severe, with motorists experiencing congestion of up to three miles and delays of around 30 minutes due to the crash.

The situation remains ongoing, and updates will be provided as more information becomes available.

As of the evening of May 11, 2025, the slip road remained closed, with police officers still present at the scene managing the situation.

National Highways classified the crash as 'major' and confirmed it resulted in at least one serious injury.