Hundreds of protesters are due to start marching from Lincoln to RAF Waddington against the use of armed drone aircraft.
It's the first time the Ministry of Defence has based the spy planes in the UK, which will be deployed over Afghanistan.
Today's march will start at South Park, down the A15 Cross O'Cliff hill and down Grantham Road to a Peace camp set up outside the airbase.
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Highways England say the work will be completed in eight weeks rather than 30 weeks.
An NHS trust declined the £2,500 raised by a group of men dressed up as female nurses saying the costumes were "insulting".
The 15th century penchant was discovered by a metal detectorist just outside the moat of Kirby Muxloe Castle in Leicestershire.