Serving more than 2.1 million residents of San Bernardino County, the SBCTA is responsible for cooperative regional planning and furthering an efficient multi-modal transportation system countywide. SBCTA administers Measure I, the half-cent transportation sales tax approved by county voters in 1989, and supports freeway construction projects, regional and local road improvements, train and bus transportation, railroad crossings, call boxes, ridesharing, congestion management efforts, and long-term planning studies. Our mission is to enhance the quality of life for all residents in San Bernardino County by improving cooperative regional planning, developing an accessible, efficient, multi-modal transportation system, strengthening economic development efforts, and exerting leadership in creative problem solving.