(1) Authorities may acquire private or public property and property rights for limited access facilities and service roads in the same manner as they are authorized to acquire property or property rights for highways, roads, and streets within their respective jurisdictions.
(2) In acquiring property or property rights for any limited access facility or service road, the authorities may acquire an entire lot, block, or tract of land if the interests of the public will be best served by the authorities’ doing so, even though the entire lot, block, or tract is not immediately needed for the right-of-way proper.