M4 Crash Latest News Today (July 13): Motorists travelling on the M4 faced significant disruption during Monday’s rush hour after multiple crashes caused long queues and slow-moving traffic across parts of South Wales. The biggest delays were reported near Newport, where an eastbound collision partially blocked the motorway between J25 and J24.Â
While traffic later began to ease in the area, fresh congestion was reported near Port Talbot following another crash. Alongside the incidents, drivers have also been warned about planned overnight roadworks and strong wind alerts that could continue to affect journeys.Â
M4 Crash Latest News Today (July 13): What Happened on M4?
Traffic was disrupted on several sections of the M4 on Monday following multiple road accidents.
The most serious incident occurred on the eastbound carriageway near Newport, where a collision partially blocked the motorway between Junction 25 (Caerleon) and Junction 24 (Coldra). Long queues quickly developed during the morning rush hour, causing significant delays for commuters.
Elsewhere, another crash near Port Talbot slowed traffic in both directions, adding to congestion across the motorway network.
M4 Crash Latest News Today (July 13): Crash Near Newport Triggers Heavy Rush Hour Delays
The collision near Newport caused major disruption during one of the busiest travel periods of the day.
According to traffic monitoring service Inrix, “M4 Eastbound partially blocked, queueing traffic due to accident from J25 B4596 Caerleon Road (Caerleon) to J24 A449 (Coldra).”
Emergency services attended the scene while long queues built up on the eastbound carriageway as traffic slowed through the affected stretch.
M4 Crash Latest News Today (July 13): Newport Delays Cleared After Earlier Collision
Traffic conditions later improved after the vehicles involved in the Newport collision were removed and the road reopened.
The congestion between Junctions 24 and 25 gradually cleared, allowing traffic to return to normal. However, transport authorities advised motorists to continue checking live traffic updates before travelling as residual delays can remain even after incidents are cleared.
M4 Crash Latest News Today (July 13): Another Crash Slows Traffic Near Port Talbot
While the Newport delays eased, another collision caused fresh disruption on a different section of the motorway.
Traffic slowed on the M4 westbound between Junction 43 (Llandarcy) and Junction 44 (Llansamlet) due to another crash. Earlier in the day, a separate collision between Junctions 42 and 43 near Port Talbot also caused delays before the vehicles were moved to the hard shoulder.
Motorists travelling through the area experienced slow-moving traffic in both directions.
M4 Crash Latest News Today (July 13): Overnight Roadworks & High Wind Alerts
In addition to today’s crashes, drivers have been warned about planned overnight disruption.
Roadworks are scheduled between Junctions 16 and 17 in Wiltshire from 10:00 PM to 7:00 AM, which could result in temporary lane closures and reduced speeds.
Motorists have also been advised to take extra care on the Earlswood Viaduct and Kenfig Viaduct, where strong winds may affect driving conditions, particularly for high-sided vehicles.
M4 Crash Latest News Today (July 13): Roads Most Affected
The incidents affected several busy stretches of the M4, including:
- M4 Eastbound: Junction 25 (Caerleon) to Junction 24 (Coldra), Newport
- M4 Westbound: Junction 43 (Llandarcy) to Junction 44 (Llansamlet)
- Earlier delays: Junction 42 to Junction 43 near Port Talbot
- Planned overnight roadworks: Junction 16 to Junction 17, Wiltshire
These sections experienced the heaviest congestion during Monday’s travel period.
M4 Crash Latest News Today (July 13): Diversion Routes
No official diversion route was announced for the Newport collision as emergency services managed traffic through the affected section of the motorway.
Motorists experiencing delays were advised to leave the M4 where possible and use local roads around Newport and Port Talbot until congestion eased. Drivers should follow instructions from traffic officers and electronic motorway signs for the latest route guidance.
M4 Crash Latest News Today (July 13): When Will the Traffic Reopen?
The eastbound carriageway near Newport has already reopened, and traffic has largely returned to normal following the earlier collision.
Traffic continues to move on the sections affected by the Port Talbot incidents, although some delays may remain while congestion clears. Overnight roadworks between Junctions 16 and 17 are expected to finish by 7:00 AM after beginning at 10:00 PM.
M4 Crash Latest News Today (July 13): Helpline Numbers
Drivers requiring travel information or emergency assistance can use the following services:
- National Highways Customer Contact Centre: 0300 123 5000
- Traffic Wales: 0300 123 1213
- Emergency Services: 999 (for emergencies only)
- Non-emergency Police: 101
Motorists can also monitor official traffic websites and variable message signs for real-time travel updates.
M4 Crash Latest News Today (July 13): What Should Drivers Know?
Although the major delays near Newport have now cleared, motorists should continue to allow extra travel time if using the M4, especially around Port Talbot where traffic remains slow following additional collisions.
Drivers travelling later tonight should also prepare for overnight roadworks and possible weather-related disruption caused by strong winds on exposed sections of the motorway. Checking live traffic conditions before setting out can help avoid unnecessary delays.
