A21 road closures & live traffic incidents
No live incident closures on the A21 right now, but 1 roadwork is currently in force.
Live A21 updates from National Highways and Traffic Wales: incident closures, roadworks in force, planned closures for the week ahead and recently cleared disruption.
Live incident
Active roadworks
Planned
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A21 roadworks in force now
A21 southbound lane 2 closure ( 29/5a to 30/4a)
Planned Roadworks National Highways
Dunton Green
A21 · A21 Southbound Between A25 And A225
Expected to clear in 8 hours 38 minutes
Started 3 Aug 2026, 19:00
Expected clear 4 Aug 2026, 04:00
A21 southbound lane 2 closure ( 29/5a to 30/4a)
Category: Road Maintenance
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