All streets and roads within a multifamily residential project, except driveways, and all streets and roads bordering on the project shall be not less than sixty-two (62) feet in width, including the sidewalk area. The paved portion of all streets and roads bordering on the project and all through streets shall be not less than thirty-six (36) feet in width, and the paved portion of all other streets and roads shall be not less than thirty (30) feet in width unless the Planning Board requires a greater width because of the layout of the project or the anticipated flow of traffic. All streets, roads, driveways and parking areas shall be paved and curbed.