(a) The abandonment of a vehicle or any part thereof on any county highway in any county with 500,000 or more inhabitants, but fewer than 3,000,000, is unlawful and a petty offense punishable by a fine not to exceed $500.
     (b) The abandonment of a vehicle or any part thereof on private or public property other than a highway in view of the general public, anywhere in such a county, is unlawful except on property of the owner or bailee of such abandoned vehicle. A vehicle or any part thereof so abandoned on private property shall be authorized for removal by the official so designated by ordinance of the county board after a waiting period of 7 days or more. A violation of this subsection (b) is a petty offense punishable by a fine not to exceed $500.