Ill. Admin. Code tit. 92, § 2520.236 – Pushing or Towing of Vehicles

a) Pushing. The pushing of any vehicle by another vehicle is prohibited except in emergencies. In such an emergency, a disabled vehicle may be pushed off the traffic lanes onto the adjacent shoulder for the purpose of parking, standing or stopping, as provided in Section 2520.230 of this Part.
b) Towing. Except in emergencies, no vehicle shall be towed by another vehicle without a rigid hitch designed and installed so as to give the operator of the towing vehicle full and complete control of the towed vehicle. In an emergency, a disabled vehicle may be towed off the traffic lanes onto the adjacent shoulder for the purposes of parking, standing or stopping, as provided in Section 2520.230 of this Part.