All front yards must face upon a dedicated public street and shall be of the size required for the particular Zone District in which the lot is located, provided, however, that on streets less than fifty (50') feet in width, the required front yard shall be increased by 1/2 the difference between the width of the street and fifty (50') feet, and, provided further, that any lot which abuts a street with a proposed right-of-way greater than fifty (50') feet in width as shown on the Master Plan for streets of the Borough of South Bound Brook, adopted pursuant to N.J.R.S. 40:55-1.10 shall have a front yard setback measured from the nearest line of the proposed building or structure to the proposed right-of-way line shown on the Master Plan.