Replaces everything after the enacting clause. Amends the Illinois Vehicle Code. Provides that no person shall operate or cause to be operated, on a highway, a commercial motor vehicle, with the exception of a highway maintenance vehicle, transporting garbage or refuse unless the tailgate on the vehicle is in good working repair, good operating condition, and closes securely, with a cover or tarpaulin of sufficient size attached so as to prevent any load, residue, or other material from escaping. Provides that a violation of the provisions shall be a petty offense punishable by a fine not to exceed $150 (rather than $250). Provides that a person, firm, or corporation convicted of 4 or more violations within a 12-month period shall be fined an additional amount of $150 for the fourth and each subsequent conviction within the 12-month period. Amends the Criminal and Traffic Assessment Act. In provisions concerning conditional assessments, provides for distribution of a conditional assessment for a violation of the provisions.