625 ILCS 5/11-210

This Chapter not to interfere with rights of owners of real property with reference thereto.

Nothing in this Chapter shall be construed to prevent the owner of real property used by the public for purposes of vehicular travel by permission of the owner and not as matter of right from prohibiting such use, or from requiring other or different or additional conditions than those specified in this Chapter, or otherwise regulating such use as may seem best to such owner.