Illinois Route 100
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Illinois Route 100 is a 159.09-mile-long state highway in southwest Illinois. It generally parallels the Illinois River. Starting in downtown Alton, it trends northward to Buckheart Township near Cant
Southern end of IL 100 and IL 16 concurrence
IL 100 along the Great River Road
Greene County, Illinois
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Greene County is a county located in the U.S. state of Illinois. According to the 2020 United States census, it has a population of 11,843. Its county seat is Carrollton.
Greene County Courthouse
