Editing Regulation Quick Reference (section)

=== Statutory Weight Limitations ===
* '''[[625 ILCS 5/15-111]]''' – Overweight Enforcement:
** Single axle allowable weight = 20,000 lbs
** Tandem axle allowable weight = 34,000 lbs (40”+ but less than 96” apart. If 96” or over, they count as single axles).
** Regular tractor/semi-trailer gross allowed = 80,000 lbs
** Short wheel-base combinations (e.g., dump trailers) are usually restricted to 65k–68k based on axle measurements and the bridge chart. If a Special Hauling Vehicle (SHV) permit is active (verified on tractor plate response and/or registration card), the allowable gross is 72,000 lbs.
* '''[[625 ILCS 5/15-112]]e''' – Tolerances: If over weight by less than 2,000 lbs and registered for less than 77k, issue a warning and make them legal on scene. Warnings apply for 1,000 lbs over on fixed scales, and 2,000 lbs over on portable scales (still must be made legal).