The Illinois Department of Transportation (IDOT) is issuing this Request for Information (RFI) in connection with the proposed Interstate 290 (I-290) Drainage Improvement Project (the Project). The I-290 Drainage Improvement Project is one of several projects to be completed as part of the larger I-290 corridor-wide improvements. The scope of the Project includes drainage improvements extending from the Des Plaines River (west terminus) to approximately east of Austin Boulevard (east terminus) along the Eisenhower Expressway (I-290).