{"data":{"id":"us-co/c.r.s.-42-4-2001","jurisdiction":"us-co","citation":"C.R.S. § 42-4-2001","heading":"Maximum hours of service - ready-mix concrete truck operators.","body":"(1) Any person who operates a commercial motor vehicle solely in intrastate commerce for the purpose of transporting wet, ready-mix concrete need not comply with 49 CFR 395.3 (b). No such person shall drive for any period after:\n\n(a) Having been on duty seventy hours in any seven consecutive days if the employing motor carrier does not operate every day in the week; or\n\n(b) Having been on duty eighty hours in any period of eight consecutive days if the employing motor carrier operates motor vehicles every day of the week.\n\n(2) Within a seven-day workweek all hours of service after sixty hours are voluntary starting the next scheduled workday.\n\n(3) Twenty-four consecutive hours off duty shall constitute the end of any seven or eight consecutive-day period.\n\n(4) Any commercial motor vehicle that transports hazardous materials shall be exempt from this section and shall be subject to the federal hours-of-service limitations in 49 CFR 395 and 350.","path":["Title 42 - VEHICLES AND TRAFFIC","Article 4 - Regulation of Vehicles and Traffic","Part 20 - HOURS OF SERVICE"],"source_url":"https://olls.info/crs/crs2026-title-42.htm","current_through":"Colorado Revised Statutes 2026","vintage":"","retrieved_at":"2026-09-14T18:37:45Z","sha256":"830e6cb3fa8ff4c8433f1a0eb223c2e9e3af8f8623f51d1562da94b8b6861a23","source_id":"us-co","stale":false,"prev":"us-co/c.r.s.-42-4-1904","next":"us-co/c.r.s.-42-4-2101"},"notice":"GroundRules: Original legal text. Not legal advice."}