The closures will impact the A282’s QEII Bridge and East Tunnel at various times from Saturday, April 26 to Monday, April 29, with diversions in place overnight.
National Highways has advised motorists to check for updates, as schedules may change depending on weather conditions.
The Dartford Crossing, which connects Dartford in Kent to Thurrock in Essex via the A282, is a key transport route over the River Thames.
These closures are necessary for ongoing maintenance but may change depending on weather conditions.
Saturday, April 26 – Sunday, April 27
A282-Northbound
A282 northbound Dartford Crossing East Tunnel
Tunnel closure for contraflow works 9.30pm – 5am
Diversion via Highways England Network
A282-Southbound
A282 QEII bridge southbound carriageway closure
Contraflow in East Tunnel 10pm – 5am
Sunday, April 27 – Monday, April 29
A282-Northbound
A282 northbound Dartford Crossing East Tunnel
Tunnel closure for maintenance works 10pm – 5.30am
Diversion via National Highways network