Fresno files backup transportation tax measure amid county ballot uncertaintyThe latest development comes after weeks of debate surrounding competing transportation tax proposals at the city and county levels. The latest development comes after weeks of debate surrounding competing transportation tax proposals at the city and county levels. The latest development comes after weeks of debate surrounding competing transportation tax proposals at the city and county levels. The latest development comes after weeks of debate surrounding competing transportation tax proposals at the city and county levels. As a precaution, the city submitted its own transportation tax measure as a backup.