Any road or highway heretofore laid out under the provisions of any special act of Assembly prior to one thousand eight hundred seventy-three and known as a State road and not forming part of any State highway route shall be under and subject to the jurisdiction of the court of quarter sessions of the county in which the same is located and shall be widened, altered, or vacated in the same manner and by the same procedure as township roads are widened, altered, or vacated.
36 P.S. § 1984