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Lane closures, overnight works and planned schemes on the A21, straight from the National Highways feed.
No roadworks are currently running on the A21 according to National Highways.
2 closures are scheduled on the A21 in the next 72 hours. Each one is listed above with its window and diversion.
Most National Highways lane closures on the A21 run overnight and are lifted before the morning peak (07:00–09:00). Full carriageway closures are usually weekend nights, with a signed diversion.
🛣️ Data from National Highways ·
All UK roadworks ·
Overnight closures ·
A21 live traffic
Roadworks change at short notice. Always follow signs and signals on the road.
A21 Trunk Road · 65 miles. Live incidents, junction status and collision history.
Broken down on the A21? Send one free request and local firms are told.
On a motorway? If you can, get onto the hard shoulder or into an emergency area, leave by the left-hand doors and wait behind the barrier. Stuck in a live lane: stay in the car with your seatbelt on and hazard lights on, and call 999.