M4 road closures & live traffic incidents
No live incident closures on the M4 right now, but 1 roadwork is currently in force.
Live M4 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.
M4 roadworks in force now
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
Active Roadworks National HighwaysExpected to clear in 10 hours 23 minutes
M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
M4 closures planned this week
M4 eastbound Jct 18 between exit and entry slip road carriageway closure
Planned Roadworks National HighwaysStarts in 12 hours 23 minutes
M4 eastbound Jct 18 between exit and entry slip road carriageway closure
M4 eastbound lane 1 and 2 closure (40/9 to 39/9)
Planned Roadworks National HighwaysStarts in 12 hours 23 minutes
M4 eastbound lane 1 and 2 closure (40/9 to 39/9)
M4 eastbound lane 1 and 2 closure (51/5 to 50/6)
Planned Roadworks National HighwaysStarts in 12 hours 23 minutes
M4 eastbound lane 1 and 2 closure (51/5 to 50/6)
M4 eastbound lane 4 closure (69/4 to 64/9)
Planned Roadworks National HighwaysStarts in 12 hours 23 minutes
M4 eastbound lane 4 closure (69/4 to 64/9)
M4 westbound Jct 16 - jct 17 lane 1 closure
Planned Roadworks National HighwaysStarts in 13 hours 23 minutes
M4 westbound Jct 16 - jct 17 lane 1 closure
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
Planned Roadworks National HighwaysStarts in 14 hours 23 minutes
M4 Eastbound Jct 3 to Jct 2 lane 1 closure
M4 Eastbound Jct 2 exit slip road closure
Planned Roadworks National HighwaysStarts in 14 hours 23 minutes
M4 Eastbound Jct 2 exit slip road closure
Recently cleared on the M4
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M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
ClearedCleared 21 minutes 51 seconds ago
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M4 eastbound lane 1 closure (46/8 to 45/0)
ClearedCleared 5 hours 11 minutes ago
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M4 Eastbound Jct 2 exit slip road closure
ClearedCleared 7 hours 1 minute ago
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M4 Eastbound Jct 3 to Jct 2 lane 1 closure
ClearedCleared 7 hours 31 minutes ago
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M4 eastbound lane 3 closure (76/8 to 74/2)
ClearedCleared 8 hours 1 minute ago
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M4 eastbound lane 1 closure (46/8 to 45/0)
ClearedCleared 10 hours 21 minutes ago
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M4 eastbound lane 3 closure (76/8 to 74/2)
ClearedCleared 11 hours 26 minutes ago
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M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
ClearedCleared 16 hours 51 minutes ago
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M4 eastbound Jct 18 to 17 lane closure (166/5 to 162/1)
ClearedCleared 1 day 21 minutes ago
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M4 Eastbound Jct 3 to Jct 2 lane 1 closure
ClearedCleared 1 day 3 hours ago