The following words and phrases when used in this article shall have the meanings given to them in this section unless the context clearly indicates otherwise:
"Improving a street" or "improvement." The term includes work on a street or portion thereof done or proposed to be done in order to open the street if the street has not previously been opened or, if previously opened, to make the street more usable or more suitable for use by the traveling public or safer for use. The term includes, but is not limited to, grading, paving and curbing. The term shall not include maintenance or repaving.
"Laying out." The term includes the plotting of:
"Opened streets." The term includes the streets within the township used as public passageways.
"Opening a street." The term includes the construction and grading of a street or portion thereof and the act of physically taking possession of an area or laid-out street for the purpose of making the same usable to the traveling public.
"Portion." The term includes a portion either of the width or length of a street. Opening a portion of a street may mean extending or widening a street, and vacating a portion of a street may mean closing or narrowing a street.
"Street." The term includes a street, road, lane, alley, court or public square, either for or intended for public use and shall include the cartway, sidewalk, gutter, curb or the right-of-way area, whether or not the street, or any portion of the street, is owned in fee by others than the township. Streets are of two classes, opened and unopened.
"Unopened streets." The term includes the streets within the township neither used as a public passageway nor accepted or maintained, but plotted in one of the following:
53 P.S. § 57002