Founded in 1985, the Colorado Association of Transit Agencies (CASTA) represents transit interests and provides professional development to the transit community. Membership includes Colorado transit providers, transit-related businesses and governmental entities. Our Vision All Colorado residents and visitors enjoy safe, convenient, affordable and accessible public transportation. Transit in Colorado plays a significant role in promoting the economic vitality and environmental leadership of our state. By 2025, Coloradans will enjoy seamless trip planning and execution on Colorado’s robust and effective regional and local transportation systems. Transit will be integrated with our aviation, rail, highway, biking and pedestrian systems to give Coloradans access and options on every leg of their journeys.