Synopsis As Introduced Amends the Department of Transportation Law of the Civil Administrative Code of Illinois. Requires the Department of Transportation to conduct a comprehensive analysis of the costs and benefits of the construction of the South Suburban Airport. Prohibits the State from allocating any additional funds to the construction of the South Suburban Airport until the analysis is completed. Prohibits the Department from using any funds granted to it under the Airport Improvement Program for the construction of the South Suburban Airport until the analysis is completed. Provides that any request for proposal under the Department's current request for quote process submitted to the Department after the effective date of the amendatory Act shall require any private developer to certify to the Department that no additional funds will be used for the construction of the South Suburban Airport until the analysis is completed. Effective immediately.