Reference Source

Illinois

For Illinois, threshold over the posted limit is 26 miles per hour or more but less than 35 miles per hour in excess of the applicable maximum speed limit established under this Chapter or a local ordinance; second, higher band is 35 miles per hour or more in excess of the applicable maximum speed limit established under this Chapter or a local ordinance commits a Class A misdemeanor; offense classification is Class B misdemeanor; statute is 625 ILCS 5/11-601.5 — Driving 26 miles per hour or more in excess of applicable limit, verified against its source on 2026-08-20.

State
Illinois our reading
Threshold over the posted limit
26 miles per hour or more but less than 35 miles per hour in excess of the applicable maximum speed limit established under this Chapter or a local ordinance verified
Second, higher band
35 miles per hour or more in excess of the applicable maximum speed limit established under this Chapter or a local ordinance commits a Class A misdemeanor verified
Offense classification
Class B misdemeanor verified
Statute
625 ILCS 5/11-601.5 — Driving 26 miles per hour or more in excess of applicable limit verified
Sourceilga.gov
Verified
Review by
DatasetReckless / excessive-speeding mph thresholds that trigger a criminal charge, by state

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

(a) A person who drives a vehicle upon any highway of this State at a speed that is 26 miles per hour or more but less than 35 miles per hour in excess of the applicable maximum speed limit established under this Chapter or a local ordinance commits a Class B misdemeanor. (b) A person who drives a vehicle upon any highway of this State at a speed that is 35 miles per hour or more in excess of the applicable maximum speed limit established under this Chapter or a local ordinance commits a Class A misdemeanor.

ilga.gov, retrieved 2026-08-20

Source

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.