A three-day road closure is planned for Church Lane, Sway.
The closure will be in place from July 23, between 8am and 6pm each day.
It affects the section between Set Thorns Road and Westbeams Road.
The work is being carried out by Circet to install a new duct.
Although the legal order allows for the closure to remain in place for up to six months, the work is expected to be completed within three days.
The full public notice can be viewed at: publicnoticeportal.uk/notice/traffic-and-roads/686a7c6f536417cd25e216ff.
An alternative route will be available via the B3055, Wilverley Road, Brighton Road and Station Road.
Circet has said it will provide reasonable facilities to allow access to adjacent premises and will give notice to those directly affected while the work is being carried out.
For further information, contact Circet via Thomas.kirk@circet.co.uk or Hampshire County Council's roads and transport team on 0300 555 1388.
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