No building shall be erected on any lot that is not contiguous, for the distance of at least 35 feet, to a public street, road or avenue maintained by the Township, county or state, or contiguous to a dedicated street, road or avenue shown on a map or plan approved by the Township Committee or the Planning Board of said Township for filing in the office of the County Clerk and duly filed in said office, or contiguous to a street, road or avenue which the Board of Adjustment, upon evidence submitted to it, shall determine to have been dedicated to the public.