Notwithstanding the provisions of Section 4104, the Director of General Services, with the consent of the State Department of State Hospitals, may grant to the County of Napa a right-of-way for public road purposes over the northerly portion of the Napa State Hospital lands for the widening of Imola Avenue between Penny Lane and Fourth Avenue, upon such terms and conditions as the Director of General Services may deem for the best interests of the state.