605 ILCS 5/6-201.21

The highway commissioner has authority to provide for orderly collection, transport, and disposal of brush and leaves that have been properly placed for collection along the road district rights-of-way in accordance with local guidelines. The highway commissioner may use funds authorized under Section 30-117 of the Township Code to provide for the collection, transport, and disposal of brush and leaves. Subject to Section 30-117 of the Township Code, the highway commissioner has authority to provide necessary relief services following the occurrence of an event that has been declared a disaster by State or local officials. The highway commissioner has purchasing authority, subject to Section 6-201.6, and contractual authority as defined in Section 6-201.7 of this Code.