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Motorists travelling on the M4 motorway in South Gloucestershire faced disruption on Tuesday, October 13, 2026, after a collision was reported on the eastbound carriageway between Junction 18 and Junction 17, near the Bristol area.

A traffic incident report published during the morning said that two of the three lanes, along with the hard shoulder, were closed while the collision was being managed. The incident was logged at approximately 10:08 a.m., with an estimated clearance time of 11:12 a.m. These were projected times, and a subsequent confirmation of the collision’s final clearance was not available in the information reviewed. <Cite refs={[“turn249213search0″,”turn249213search5”]}/>

What Happened in the M4 Accident Today?

The reported collision affected the eastbound M4 between Junction 18 and Junction 17 on the morning of October 13.

Traffic information identified the event as a road traffic collision and reported restrictions across two lanes and the hard shoulder. Such restrictions can reduce traffic capacity and lead to queues as vehicles pass the affected stretch.

The available report did not establish how many vehicles were involved, whether anyone was injured or what caused the collision. Those details should remain unconfirmed unless released by the relevant authorities.

Where Was the M4 Collision Reported?

The incident was recorded on the eastbound carriageway between Junction 18 and Junction 17 in the Bristol and South Gloucestershire area.

This section of the M4 has also been subject to planned drainage and maintenance work, with narrow lanes and a reduced speed limit forming part of a longer-running National Highways scheme. Drivers should distinguish those planned restrictions from the separately reported collision. <Cite refs={[“turn221667search2″,”turn221667search3”]}/>

Traffic Delays and Lane Closures

The morning incident report recorded the following restrictions:

Because the reported clearance time has passed, motorists should not assume the collision is still blocking the carriageway—or that all disruption has ended—without checking a current traffic service.

Separate M4 Disruption Near Bristol on October 12

The M4 also experienced significant disruption on Monday, October 12, when a police-led incident and a major vehicle fire led to closures and substantial delays around the Bristol area, particularly near Junctions 18 and 19.

That was a separate incident from the collision reported between Junctions 18 and 17 on October 13. The two events should not be confused when checking journey updates or sharing information about motorway conditions. <Cite refs={[“turn249213news6″,”turn221667news4”]}/>

What Drivers Should Know

Anyone travelling on the M4 should check the latest traffic information before setting out, particularly when passing Junctions 18 and 17.

Allow additional time if restrictions or queues remain in place, follow signs and instructions from traffic officers, and avoid sudden lane changes near congestion. Drivers should use only signed or officially recommended diversion routes rather than making abrupt manoeuvres to avoid delays.

For the most current information, consult National Highways traffic updates and roadside signs. Conditions can change quickly as emergency services finish their work and normal traffic flow resumes.

M4 Accident Today: Latest Update

A collision was reported on the M4 eastbound between Junctions 18 and 17 during the morning of October 13, with two lanes and the hard shoulder recorded as closed. The estimated clearance time was 11:12 a.m., but a final clearance confirmation was not available in the reports reviewed.

No verified information was found establishing the number of vehicles involved, injuries or the cause of the collision. Further details should be added only when reliable updates become available.

Disclaimer

This report summarizes traffic information available for the M4 on October 13, 2026. Incident status, lane restrictions and estimated clearance times may change. The cause of the collision, the number of vehicles involved and any injuries were not confirmed in the information reviewed. Motorists should check current official traffic updates before travelling.