53 Pa. Stat. § 65102
The following words, terms and phrases, as used in this act, shall have the following meanings, unless the context clearly indicates otherwise:
"Census" or "official census," the latest United States Census Bureau population count resulting from a decennial or special census conducted by the United States Census Bureau.
"Highway" or "State highway," any highway, road or street which qualifies as a State highway or a portion of the rural State highway system as provided in section 102 of the act of June 1, 1945 (P.L. 1242, No. 428), known as the "State Highway Law."
"Municipal corporation," any city, borough, incorporated town, township of the second class, township of the first class or home rule municipality, except home rule counties.
"Road" or "public road," the entire width between the boundary lines of every way, street, lane, alley, court or public square maintained by the township which is open to the use of the public for purposes of vehicular travel.
"Township," a township of the second class.
53 P.S. § 65102