The boundaries of these districts are hereby established as shown on the Building Zone Map which accompanies and is hereby declared to be a part of this chapter. The boundary lines between districts are intended to follow property lines or center lines of streets unless indicated differently by notes or dimensions on the map. Dimensions from the edge of a street are intended to be measured from the street line to a line parallel thereto. The right-of-way of the Northway (Interstate Route 87) is zoned as shown on the map.