53 Pa. Stat. § 1948
Where any street, lane or alley laid out by any person or persons in any village or town plot, or in any plans of lots on lands owned or controlled by such person or persons, shall have been accepted as, or in any manner become, a public highway, and the said street, lane or alley or any part thereof has been or shall hereafter be duly and lawfully vacated as a public highway, and has been or shall hereafter be actually closed upon the ground, any action, at law or equity, by any person, to enforce any right in said street, lane or alley so vacated, or easement in the ground embraced within the boundaries of the same, by reason of ownership of, or interest in, any lot or lots in said plan not abutting on the vacated portion of the said street, lane or alley, shall be brought within one year after the vacation of said street, lane or alley as a public highway and the closing of the same upon the ground, and not thereafter: Provided, That any person who would be sooner barred by this act shall not be thereby barred for six months from the approval hereof.
53 P.S. § 1948