(B) The penalties prescribed in this section are in addition to, and not in lieu of, any penalties, rights, remedies, duties, or liabilities otherwise imposed or conferred by law.
(C) An individual convicted of violating § 136.26 or § 136.27 by disposing of litter upon a public highway may, in addition to any other penalty, be required to maintain litter control for 30 days over a designated portion of that highway, including, at the, discretion of the agency having jurisdiction over the section of highway in question, the site where the offense occurred, as provided in Section 50 of the Illinois Adopt-A-Highway Act, ILCS Ch. 605, Act 120 § 50.
(ILCS Ch. 415, Act 105 § 8)