The CDA’s central purpose is to: Ensure safe and efficient travel through O’Hare and Midway International Airports Successfully implement the O’Hare Modernization Program (OMP) Enhance economic activity and job creation of O’Hare and Midway International Airports Manage airport tenant and concessions license agreements; ground transportation facilities; financial administration; research, planning and development activities Integrate airport-specific, sustainable planning and practices in design, construction , operations, maintenance and daily airport functions