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Motorists searching for the latest M3 accident today live updates faced disruption on Monday, October 12, 2026, after a police-led incident prompted the temporary closure of the eastbound carriageway near Junction 12 in Hampshire, England.

The incident occurred near Eastleigh and led to traffic being diverted through the junction’s exit and entry slip roads. The eastbound carriageway was subsequently reported to have reopened, although drivers were warned that delays could develop as traffic increased. The available report did not confirm that a road traffic collision had taken place. <Cite refs={[“turn753980news24”]} />

M3 Accident Today: What Happened Near Junction 12?

The reported disruption affected the M3 eastbound carriageway at Junction 12, near Eastleigh. National Highways described the event as a police-led incident.

During the closure, drivers were directed off the motorway at the junction and back onto the carriageway using the slip roads. Such arrangements can be used to maintain a safe route for traffic while police or other emergency personnel deal with an incident.

The specific circumstances that prompted the police response were not established in the information available. There was no confirmed account of a collision, vehicle involvement or injuries connected with this event. <Cite refs={[“turn753980news24”]} />

M3 Junction 12 Reopens After Temporary Closure

The eastbound carriageway was later reported to have reopened. However, reopening does not necessarily mean that traffic immediately returns to normal, particularly during busy travel periods.

Motorists approaching Junction 12 were advised to remain alert to changing traffic conditions and follow instructions from police and motorway authorities. Drivers should also allow extra time if travelling through the Eastleigh area.

The latest report indicated that no congestion was being recorded immediately after the reopening, but further delays were possible as traffic volumes increased. <Cite refs={[“turn753980news24”]} />

Was There an Accident on the M3 Today?

Although searches for “M3 accident today live” may lead to this incident, the available report described a police-led event rather than confirming a crash.

No verified information reviewed for this article established how the incident began, whether a vehicle was involved or whether anyone was injured. It would therefore be inaccurate to describe it as a confirmed accident without further evidence.

Drivers looking for a live collision update should check the latest reports from National Highways and Hampshire Constabulary for any subsequent announcement.

M3 Accident Today: Key Details

Live M3 Traffic and Further Updates

Conditions can change quickly following a motorway closure. For the latest status, motorists can check the National Highways live travel updates and the M3 Traffic website.

Drivers should follow official diversion signs, avoid stopping in unsafe locations to check updates and use a hands-free system if they need navigation assistance while driving.

Disclaimer

This article reflects the available reporting on the M3 incident near Junction 12 on October 12, 2026. The event was described as police-led, and a road traffic collision, injuries and the underlying cause were not confirmed in the information reviewed. The traffic situation may change as further updates become available.