This is an official travel road map of Illinois State Highway Transportation from 1979-1980. It is a great collectible item for transportation enthusiasts and map collectors alike. The map covers the United States region and was manufactured in the United States. It features a comprehensive view of the state's highways and roads, making it perfect for travelers and historians to explore the state's past transportation systems. The map is in good condition and has not been modified. Get this unique piece of history today!