The West Tunnel and Junction 1A entry slip road will be closed on multiple nights, with diversions in place via National Highways roads.
Diversions will be in place via National Highways roads, and motorists are advised to plan to avoid delays.
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.
Monday, March 17 – Tuesday, March 18
A282-Northbound
A282 Northbound West Tunnel and Jct 1A Entry slip road closure
Carriageway and slip road closure for tunnel works 9pm – 5.30am
Diversion via National Highways roads
Tuesday, March 18 – Wednesday March, 19
A282-Northbound
A282 Northbound West Tunnel and Jct 1A Entry slip road closure
Carriageway and slip road closure for tunnel works 9pm – 5.30am
Diversion via National Highways roads
Wednesday, March 19 – Thursday, March 20
A282-Northbound
A282 Northbound West Tunnel and Jct 1A Entry slip road closure
Carriageway and slip road closure for tunnel works 9pm – 6am
Diversion via National Highways roads
Thursday, March 20 – Friday, March 21
A282-Northbound
A282 Northbound West Tunnel and Jct 1A Entry slip road closure
Carriageway and slip road closure for tunnel works 9pm – 5.30am
Diversion via National Highways roads
Friday, March 21 -Saturday, March 22
A282-Northbound
A282 Northbound West Tunnel and Jct 1A Entry slip road closure
Carriageway and slip road closure for tunnel works 9pm – 6am
Diversion via National Highways roads