The Illinois Tollway is a user-fee system that receives no state or federal funds for maintenance and operations. The agency maintains and operates 294 miles of interstate tollways in 12 counties in Northern Illinois, including the Reagan Memorial Tollway (I-88), Veterans Memorial Tollway (I-355), the Jane Addams Memorial Tollway (I-90) and the Tri-State Tollway (I-94/I-294/I-80) and the Illinois Route 390 Tollway.