Authorizing the revision of lines and grades on a portion of City Plan Nos. 383, 384, 385, and 386 by relocating portions of the houselines and curblines of Southampton Road from The Roosevelt Boulevard to points northwestwardly therefrom, relocating portions of the easterly houseline and the curblines of Southampton-Byberry Road from The Roosevelt Boulevard to points southeastwardly and southwardly therefrom, and relocating portions of the curblines of The Roosevelt Boulevard from Southampton and Southampton-Byberry Roads to the Philadelphia-Bucks County Line, all under certain terms and cond