Traffic will be diverted through a contraflow in the east tunnel, meaning drivers should expect slower journeys and potential delays.
The closure forms part of a wider programme of maintenance works taking place across the Dartford Crossing from Friday, November 7 to Monday, November 10, affecting both the tunnels and the bridge.
The Dartford Crossing, made up of the QEII Bridge and two tunnels, is one of the UK’s busiest routes and a lifeline for thousands of motorists every day.
The temporary closures will bring an unusually quiet spell to this crucial stretch of the M25, which links Kent, Essex, and the rest of the south east.
National Highways is urging drivers to check live travel updates before setting off, follow diversions carefully, and allow extra time for their journeys during the works.
Friday, November 7 – Saturday, November 8
A282-Northbound
A282 Northbound Dartford Crossing West Tunnel
Tunnel closure for maintenance works 11pm – 5.30am
Diversion via National Highways Network
Saturday, November 8 – Sunday, November 9
A282-Clockwise
A282 Southbound QEII bridge
Bridge closure for bridge works 10pm – 5am
Diversion via east tunnel contraflow
Sunday, November 9 – Monday, November 10
A282-Northbound
A282 Northbound Dartford Crossing East Tunnel
Tunnel closure for maintenance works 10pm – 5am
Diversion via National Highways Network
A282-Northbound
A282 Northbound Dartford Crossing East Tunnel closure
No access over Dartford Crossing for vehicles over 4.8m 10pm – 5am
Diversion via National Highways Network
A282-Southbound
A282 Southbound Jct 1A to Jct 1B carriageway closure
A282 Southbound Jct 1A to Jct 2 Carriageway and lane closure for waterproofing works 10.30pm – 5.30am
Diversion via National Highways and Local Authorities Network
A282-Southbound
A282 Southbound Jct 1A entry slip road closure
A282 Southbound Jct 1A to Jct 2 Carriageway and lane closure for waterproofing works 10.30am – 5.30am
Diversion via National Highways and Local Authorities Network
