Colorado
What is the threshold over the posted limit for Colorado?
For Colorado, threshold over the posted limit is twenty-five or more miles per hour in excess of the reasonable and prudent speed or in excess of the maximum lawful speed limit of seventy-five miles per hour; offense classification is class 2 misdemeanor traffic offense; except that such violation within a maintenance, repair, or construction zone, designated pursuant to section 42-4-614, is a class 1 misdemeanor traffic offense; statute is C.R.S. § 42-4-1101(12)(b) — Speed limits, verified against its source on 2026-10-12.
(b) A violation of driving twenty-five or more miles per hour in excess of the reasonable and prudent speed or in excess of the maximum lawful speed limit of seventy-five miles per hour is a class 2 misdemeanor traffic offense; except that such violation within a maintenance, repair, or construction zone, designated pursuant to section 42-4-614, is a class 1 misdemeanor traffic offense.
— leg.colorado.gov, retrieved 2026-10-12
- State
- Colorado our reading
- Threshold over the posted limit
- twenty-five or more miles per hour in excess of the reasonable and prudent speed or in excess of the maximum lawful speed limit of seventy-five miles per hour verified
- Offense classification
- class 2 misdemeanor traffic offense; except that such violation within a maintenance, repair, or construction zone, designated pursuant to section 42-4-614, is a class 1 misdemeanor traffic offense verified
- Statute
- C.R.S. § 42-4-1101(12)(b) — Speed limits
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.
Source
- leg.colorado.govhttps://leg.colorado.gov/sites/default/files/images/olls/crs2024-title-42.pdf