The M25 will be temporarily closed between South Mimms and Potters Bar early next week.
The clockwise carriageway between Junction 23 and 26 will be closed overnight on Monday between 10pm and 5am.
It is to allow litter clearance, vegetation removal, resurfacing and electrical maintenance to take place.
There will be a signed diversion via the A10, A406 and A1.
The anticlockwise carriageway will also be closed between the same junctions overnight on Thursday, October 27, between 10pm and 5am.
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