Spoon River Drive - Organization promoting this scenic route in Fulton County which was the setting of Edgar Lee Master's "Spoon River Anthology". Contains maps and other information. The Illinois Tollway - Information on the system, including the I-Pass electronic toll collection system. Illinois Highways Page - A guide to the origin and evolution of the numbered system. Includes route logs and other trivia. Lake Michigan Circle Tour - Contains resources related to this scenic drive around the lake. Illinois Tollway Oases: Then and Now - History and details of these unusual service areas. Chicago Skyway - Official site of the company that now leases the toll route in southeast Chicago. Site includes history and toll information. Expressways - Entry from the Encyclopedia of Chicago. Gives historic background and includes a map. CookExpressways.com - Covers the history of the system in Cook County, including Chicago. Marshall County History - Contains relevant news articles from the late 1920s and early 1930s. Illinois Department of Transportation - The official site of the department. Includes information on construction projects and information about doing business with the department.