605 ILCS 5/6-107
Road districts have corporate capacity to exercise the powers granted thereto, or necessarily implied and no others. They have power: (1) to sue and be sued, (2) to acquire by purchase, gift or legacy, and to hold property, both real and personal, for the use of its inhabitants, and again to sell and convey the same, (3) to make all such contracts as may be necessary in the exercise of the powers of the district. They have power:
A road district shall not construct, reconstruct, improve, widen, relocate, repair, alter, or maintain a highway, road, street, alley, bridge, culvert, drainage structure, sidewalk, bicycle path, parking lot, driveway, or any other transportation-related facility that is outside of its county's boundaries unless such construction, reconstruction, improvement, widening, relocation, repair, alteration, or maintenance is part of the township and district road system, in an adjacent road district, is jointly performed with another road district through the sharing of road equipment pursuant to an intergovernmental agreement, or provided as necessary relief services following the occurrence of a disaster as defined by the Illinois Emergency Management Agency Act.
As used in this Section, "maintain" or "maintenance" does not include mowing, gravel reclamation, snow removal or the application of salt, sand, or any other substance applied for the purpose of improving the safety of vehicular or pedestrian traffic in response to the presence or prediction of ice or snow.
605 ILCS 5/6-107