This colorful, easy-to-read state map of Illinois identifies all major thoroughfares, secondary roads, freeway interchanges, rest areas, distance markers, landmarks, recreational areas, and more. Shaded relief on the state map provides a three-dimensional sense of Illinois’ topography. Detailed city inset maps of Bloomington/Normal, Chicago, Champaign/Urbana, Decatur, Peoria, the Quad Cities, Rockford, and Springfield are based on the latest street information from our cartographic experts. An up-to-date inset of downtown Chicago provides must-see information on the central business and tourist district. County and city indices make it simple to locate even the smallest town.