Lanes are being closed overnight on the North Herts section of the A1(M) this week so overhanging vegetation can be cleared from the roadside verges and embankments.
Mobile lane closures were put in place between Junction 6 for Welwyn and Junction 10 for Baldock services last night, and this will continue for five nights ending on Friday.
The closures will be in place from 8pm to 6am.
More information can be found here.
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