Demand Response ADA Special Services: Price Elasticity for the Provision of Free Service In the State of Illinois Principal Investigator DiJohn, Joseph Funding Source Illinois Department of Transportation (IDOT) McHenry County Coordinated Paratransit Study Principal Investigator DiJohn, Joseph Funding Source Illinois Department of Transportation (IDOT), Metropolitan Transportation Support Initiative (METSI) Technical Services to the RTA Principal Investigator DiJohn, Joseph Funding Source Regional Transportation Authority (RTA) Technical Support for the Special Committee on Mass Transit for Northeastern Illinois Principal Investigator McNeil, Sue Funding Source Illinois Department of Transportation (IDOT)