Where the street layout actually on the ground varies from the street layout in the zone map, or there is a doubt in particular instances as to what boundary line is determining, the question of such determination shall be adjudicated by the Land Use Board pursuant to N.J.S.A. 40:55D-70a. The designation shown on the zone map shall be applied to the ground by the Land Use Board after due notice and public hearing, in such a way as to carry out the intent and purposes of the map for the particular area in question.