All acquiring authorities are hereby authorized to do any acts and take all actions necessary to carry out the provisions of sections 117.50 to 117.56, including the acquisition, rehabilitation and relocation of existing housing and the construction of new housing in accordance with the provisions of the Federal Aid Highway Act of 1970, Statutes at Large, volume 84, page 1713 (1971), United States Code, title 23, § 101, et seq., and any other federal and state laws, where projects cannot proceed to construction because replacement housing cannot be made available.