The Bi-State Development Agency is a regional governmental organization that serves the areas of Missouri and Illinois. Established in 1949, it focuses on improving transportation, economic development, and environmental sustainability in the St. Louis metropolitan region. The agency operates various services, including public transit through Metro Transit and the management of the Gateway Arch. In addition to transportation, the Bi-State Development Agency is involved in planning and implementing projects that enhance the quality of life for residents. It collaborates with local governments, businesses, and community organizations to promote growth and development in the region, ensuring a coordinated approach to regional challenges.