Boundary lines of the base zoning districts are intended to coincide with lot lines, centerlines of streets and alleys, railroad rights-of-way, beds of streams existing at the time of passage of this Chapter, the corporate boundary of the Township, or as dimensioned on the Zoning Map. If and when dimensions are shown on the map between a street and a district boundary line, they indicate that the district boundary line runs parallel to the centerline of the street, a distance equivalent to the number of feet so indicated. Distances not specifically indicated on the Zoning Map shall be determined by the scale of the Zoning Map.

Where a district boundary line divides a lot at the effective date of this Chapter, the use regulations applicable to the less restricted district shall extend over the portion of the lot in the more restricted district a distance of not more than 50 feet beyond the district boundary line.