DELTONA - A mishmash of vacancies and re-purposed small businesses adjoin the city's only motel, the former Deltona Inn, along a boulevard that City Commissioner Heidi Herzberg calls "sad."Herzberg, who represents the city's southwest side, and her fellow commissioners unanimously passed a resolution declaring Deltona Boulevard blighted and asking the Volusia County Council to approve a Community Redevelopment Area, or CRA.