🚧 Take a look from above as a huge engineering operation transforms the M27. Drone footage shows an innovative “box slide” technique being used to install a new underpass at Junction 10, with an 8,500-tonne concrete structure slowly pushed into place beneath the motorway. To allow the work to happen, the M27 will be fully closed between Junctions 9 and 11 from December 24 to January 4, with traffic diverted along the A27. Engineers are using hydraulic jacks, steel cables and a special lubricati