The National Highway System (NHS) Illinois Statistics Sheet contains mileage, VMT, and structure statistics for roads and bridges on the National Highway System. Mileage and VMT is summarized by functional class and road system. Structure data is summarized by road system and square footage, along with totals for structurally deficient and functionally obsolete NHS structures.
Average Daily Traffic (ADT) volumes and truck volumes for
specific locations are available on the
Average Daily Traffic Counts GIS application