Drivers are reminded to stay vigilant after more planning works on a major motorway are planned. 

The full list of closures for this month on the M25 are as follows:

- M25, from 10pm August 7 to 5.30am August 8, slight delays (under 10 minutes): M25 Anticlockwise, junction 14 to junction Heathrow Terminal 5, Lane closure for drainage works.

- M25, from 10.30pm August 18 to 5.30am August 19, moderate delays (10-30 minutes): M25 clockwise, junction 15 to M4 westbound, junction 4B, link road closure for lighting works, diversion via National Highways roads.

- M25, from 10pm August 19 to 5am August 20, slight delays (under 10 minutes): M25 clockwise, junction 14 Terminal five Spur Road, Lane closure for electrical works.

National Highways is responsible for maintaining motorways and major A-roads, so closures of smaller roads will not be included in their schedule.