To supplement existing funding for maintenance, rehabilitation, and reconstruction of existing transportation including trails and transit; local match leveraging of state/federal funds for road, trail, and transit infrastructure; and retention of existing commercial air service, shall the Humboldt County voters adopt an ordinance establishing a 1/2¢ per dollar sales tax throughout Humboldt County for 20 years, raising approximately $10,000,000 annually, requiring independent audits, separate accounts, public oversight and local revenue control?