The M4 was closed eastbound near Heathrow Airport following a crash but lanes have since reopened.
ByCharlotte Becquart, Brian Dillon, Audience Writer
There is heavy traffic in the area (Image: National Highways)
TheM4 was closed this evening eastbound near London Heathrow Airport following a multi-vehicle crash. The motorway was currently shut between J4 (London Heathrow Airport) and J3 (Hayes) while pictures of the area showed heavy traffic.
The Metropolitan Police, London Fire Brigade and National Highways traffic officers were at the scene of the crash which saw one car overturn and rest on its roof.
There was also a seprate incident in Wales which caused major delays on the M4.
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Brian Dillon
Thank you for following our coverage
Thank you for following our live blog for this story.
Brian Dillon
All lanes now clear
All lanes between Junction 4 (Heathrow) and Junction 3 (Hayes) have now been cleared and reopened. No more significant delays are expected.
Brian Dillon
Delays increase to 60 minutes as another lane opens
Two of the four lanes of the M4 eastbound between Heathrow Airport and Hayes have now reopened. However, National Highways East has said that delays are now 60 minutes, up from the previously reported 45 minutes. The five miles of congestion reaches back to Staines-upon-Thames.
\u2014 National Highways: East (@HighwaysEAST) March 31, 2025Lane 3 has re-opened on the #M4 east between J4 @HeathrowAirport and J3 #Hayes.
2 lanes (of 4) remain closed with recovery ongoing.
Delays of 60 minutes and approx. 5 miles congestion reaching back to #M25 J13 #StainesUponThames pic.twitter.com/Y2FoebOZjA
Brian Dillon
Drivers experience 45 minute delays
National Highways has said that drivers are experiencing 45-minute delays due to the collision. There is up to five miles of ciongestion, they have reported.
Brian Dillon
Police tell drivers to avoid the area
Gwent Police have told people to avoid the area of the M4 J29 junction in Wales due to congestion. In a post on X, they said: "We're currently dealing with a road traffic collision on the M4 Eastbound Junction 24 Please avoid the area if possible and find alternative routes for your journey."
\u2014 Gwent Police (@gwentpolice) March 31, 2025\u274c Avoid the area \u274c
We're currently dealing with a road traffic collision on the M4 Eastbound Junction 24
Please avoid the area if possible and find alternative routes for your journey.
Thank you. pic.twitter.com/bsG0RGpn9D
Brian Dillon
Inrix's latest update
Inrix's latest update on the injcident reads: "M4 Eastbound entry slip road closed, long delays due to multi-vehicle accident at J24 A449 (Coldra).
"Congestion to J25 (Caerleon). The opposite side is also congested due to the onlookers back to J23A (Magor Services).
"The entry slip road from the A449 underneath the motorway onto the Eastbound M4 is closed.
"All traffic was held on the motorway itself just after 16:30 until just prior to 16:50."
Charlotte Becquart
Car flips on its roof
Good afternoon, and thank you for joining our live coverage of this incident.
All lanes of the M4 eastbound are closed after a car flipped on its roof amid a multi-vehicle crash. The emergency services are currently at the scene.
Traffic News Heathrow Airport Accident
