Dartford drivers will have to plan ahead due to 18 National Highways road closures over the next fortnight.

This could cause holdups of between 10 and 30 minutes, causing moderate delays particularly for three major routes.

National Highways, who maintain motorways and major A-roads, has confirmed these closures.

Closures of smaller roads are not included in the schedule.

Here is the full list of closures until April 24:

• A282, from 10pm April 2 to 5.30am May 1, slight delays (under 10 minutes): A282 northbound, Dartford Crossing West Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A282, from 10pm April 8 to 6am April 20, slight delays (under 10 minutes): A282 northbound, Dartford Crossing East Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A2, from 8pm April 12 to 6am April 13, slight delays (under 10 minutes): A2 eastbound, Darenth to Tollgate, slip road and lane closure for maintenance work.

• A2, from 11pm April 12 to 5am April 13, moderate delays (10-30 minutes): A2 eastbound, Bourne Interchange to Darenth Interchange, Lane and slip road closures for maintenance works, diversion via National Highways and local authority network.

• A282, from 10pm April 13 to 5am April 14, slight delays (under 10 minutes): A282 northbound, Dartford Crossing West Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A282, from 10pm April 14 to 5am April 15, slight delays (under 10 minutes): A282 northbound, Dartford Crossing East Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A282, from 10pm April 15 to 5.30am April 18, moderate delays (10-30 minutes): M25 clockwise, junction 1A to junction 2, Lane and slip road closure for resurfacing works, diversion via National Highways network.

• A2, from 10pm April 16 to 5am April 17, moderate delays (10-30 minutes): A2 westbound, Bean Interchange to Darenth Interchange, Lane, slip road, and link road closure for routine maintenance, diversion via National Highways and local authority network.

• A2, from 8pm April 17 to 6am April 19, slight delays (under 10 minutes): A2 eastbound, Bean, diversion and lane closures for construction works.

• A2, from 10pm April 17 to 5am April 18, moderate delays (10-30 minutes): A2 westbound, Darenth Interchange to Crittall's Corner, Lane and slip road closures for routine maintenance, diversion via local authority network.

• A2, from 10pm April 18 to 5am April 19, slight delays (under 10 minutes): A2 westbound, Darenth Interchange to Old Bexley Lane, Lane closures for routine maintenance.

• A2, from 11pm April 19 to 5am April 20, slight delays (under 10 minutes): A2 Darenth Interchange to Crittall's Corner, Lane closures for maintenance works.

• A2, from 11pm April 19 to 5am April 20, slight delays (under 10 minutes): A2 eastbound, Old Bexley Lane to Darenth Interchange, Lane closures for routine works.

• A282, from 10pm April 20 to 5am April 21, slight delays (under 10 minutes): A282 northbound, Dartford Crossing West Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A2, from 8pm April 21 to 6am April 22, slight delays (under 10 minutes): A2 eastbound, Darenth to Ebbsfleet, slip road and lane closures for surface works.

• A282, from 10pm April 21 to 5am April 22, slight delays (under 10 minutes): A282 northbound, Dartford Crossing East Tunnel, Tunnel closure for maintenance works, diversion via National Highways network.

• A2, from 10pm April 22 to 6am April 23, slight delays (under 10 minutes): A2 westbound, Bean to Darenth, carriageway closure for electrical works.

• A282, from 10pm April 22 to 5am April 24, slight delays (under 10 minutes): M25 Anticlockwise, junction 1A, Lane closure for barrier works.