M4 road closures & live traffic incidents
No live closures are reported on the M4 right now.
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 closures planned this week
M4 eastbound lanes 1 and 2 closed
Planned Roadworks National HighwaysStarts in 15 hours 35 minutes
M4 eastbound lanes 1 and 2 closed
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
Planned Roadworks National HighwaysStarts in 15 hours 35 minutes
M4 eastbound Jct 18 to 17 - single lane running (166/1 to 161/7)
M4 eastbound lane 1 and lane 2 closure (81/3 to 80/4)
Planned Roadworks National HighwaysStarts in 15 hours 35 minutes
M4 eastbound lane 1 and lane 2 closure (81/3 to 80/4)
M4 eastbound lane 1 and 2 closure (81/3 to 80/4)
Planned Roadworks National HighwaysStarts in 15 hours 35 minutes
M4 eastbound lane 1 and 2 closure (81/3 to 80/4)
M4 Eastbound Jct 4 to Jct 3 lane 2,3 closure
Planned Roadworks National HighwaysStarts in 17 hours 35 minutes
M4 Eastbound Jct 4 to Jct 3 lane 2,3 closure
Recently cleared on the M4
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M4 eastbound lane 3 closure (102/7 to 99/1)
ClearedCleared 1 day 22 hours ago
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M4 Northbound Jct 4A to Jct 4 lane 1 closure
ClearedCleared 2 days 2 hours ago
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M4 eastbound Jct 19 to Jct 18 hardshoulder or single lane running (177/4 to 172/9)
ClearedCleared 2 days 3 hours ago
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M4 Eastbound Jct 22 to 21 lane 2 closure 194/5b - 193/8b
ClearedCleared 2 days 4 hours ago
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M4 westbound Jct 8/9 entry slip road closure
ClearedCleared 2 days 4 hours ago
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M4 Eastbound Jct 22 to 21 lane 2 closure 194/5b - 193/8b
ClearedCleared 2 days 7 hours ago
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M4 westbound Jct 8/9 entry slip road closure
ClearedCleared 2 days 7 hours ago
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M4 eastbound lane 3 and 2 closure (102/9 to 99/1)
ClearedCleared 2 days 8 hours ago
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M4 eastbound lane 3 closure (76/8 to 74/2)
ClearedCleared 2 days 22 hours ago
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M4 westbound Jct 21 to 22 lane closure 194/2-195/0
ClearedCleared 2 days 22 hours ago