225 ILCS 440/3.10

"Commercial or industrial activities" means those activities located within 660 feet of the nearest edge of the right-of-way generally recognized as commercial or industrial by zoning authorities in this State, but does not include the following: (a) Agricultural, forestry, ranging, grazing and farming activities, including wayside fresh produce stands and grain storage bins; (b) Railroad tracks and minor sidings; (c) Transient or temporary activities not involving permanent buildings or structures; (d) Outdoor advertising structures; (e) Activities not visible from a main-traveled way; (f) Activities conducted in a building principally used as a residence.