A. 
Words and phrases, when used in this chapter, except for sections or articles to which different, specific or additional definitions apply, shall have the meanings ascribed to them in the Vehicle Code, 75 Pa.C.S.A. § 101 et seq., as amended; provided, however, that the word "street" may be used interchangeably with the word "highway," and they shall all have the same meaning.
B. 
In this chapter, the singular shall include the plural, the plural shall include the singular and the masculine shall include the feminine.
C. 
The posting of official signs, as may be approved from time to time by the Pennsylvania Department of Transportation, to notify the public of the contents of this chapter is hereby authorized.