(a) When the construction of a new highway or the increase in width of an existing highway is authorized, the Commissioner of Public Works may accept, on behalf of the government of the Virgin Islands, deeds of gift from the owners of property affected thereby. If the interest of the public can be adequately served by the acquisition of easements, the Commissioner of Public Works may accept such easements on behalf of the government of the Virgin Islands.
(b) If the necessary property can not be acquired under subsection (a) of this section, the right of eminent domain shall be exercised.