Shall a one-half cent sales tax be approved for 20 years, requiring ongoing citizen oversight, and securing state/federal matching funds for countywide road improvements, including: Improving safety/reducing congestion on local highways; Improving intersections and synchronizing traffic signals; Improving emergency response times for police/fire; Enhancing student safety around schools; Improving travel along east-west corridors; Retrofitting/replacing bridges; and Filling potholes, fixing, widening and extending local roads?