from HS2: Off-peak and overnight survey works on M25, Denham to Maple Cross. HS2 contractors Align JV will be carrying out temporary survey works on the M25 on both the clockwise and anticlockwise carriageways between Junction 16 (Denham Interchange) and Junction 17 (Maple Cross
Interchange). The survey work, which will be carried out in phases during the daytime and overnight, will last for about three weeks. Works will start on Monday 12 April and are planned until Monday 3 May 2021. Details of the phasing, dates and carriageways affected are listed in the attached: M25 Align surveyworks April21 AWN.docx
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