71 Pa. Stat. § 1707.12
The Authority shall have the power to acquire, by purchase or eminent domain proceedings, either the fee or such right, title, interest, or easement in such lands, as the Authority may deem necessary for any of the purposes mentioned in this act: Provided, however, That no lands, interest in lands or property used as a burial ground shall be appropriated by virtue of power of eminent domain hereby conferred.
Whenever the Authority desires to acquire land to carry on its purposes, and a price for such lands or the interest therein desired cannot be agreed upon with the owner or owners thereof, or where such owner or owners cannot be found, in all such cases, the Authority is authorized to acquire the land or the interest therein desired by eminent domain proceedings in accordance with the act of June 22, 1964 (P.L. 84), known as the "Eminent Domain Code."
71 P.S. § 1707.12