The ambitious plan is to raise the centre of Aberdeen
The plan for a new heart of Aberdeen is being called the City Square Project, it has been announced.
A public consultation on the scheme for Union Terrace Gardens it to be launched on 11 January.
Millionaire businessman Sir Ian Wood has pledged £50m of his own money towards the scheme.
New images of what the project, raising the level of Union Terrace Gardens, could eventually look like have also been released.
The new name is supported by the themes "This Time. This Place. This Generation".
A website has also been launched at www.thecitysquareproject.com
The proposals are being led by development body Aberdeen City and Shire Economic Future (Acsef).
Acsef chairman Tom Smith said: "The region's city centre needs a vibrant, cultural civic space and gardens in the heart of the city.
Sir Ian Wood could invest up to £50m in the project
"Acsef wants to deliver a new space of 21st Century design with inspiring landscape architecture and greenery that truly reflects Aberdeen City and Shire's success, prosperity and international status.
"We are determined to deliver this for the generation that will come after us. In fact we have a duty to do this for our children and their children."
It could cost between £110m and £140m to construct the raised gardens and full covering over the Denburn dual carriageway.
Sir Ian is chairman of the multi-million pound energy services firm, John Wood Group.