MO SB411

Repeals and replaces sections 302.720, 302.735, 302.740, 302.755, and 304.820 relating to commercial driver's licenses and motor vehicle operations to align with federal standards under 49 CFR 383

Establishes the "Uniform Commercial Driver's License Act" with updated definitions including commercial driver's instruction permits (learner's permits), commercial motor vehicles, and disqualification standards

Requires commercial driver's license applicants to maintain an appropriate class of commercial driver's instruction permit for a minimum of 14 calendar days before taking the skills test

Expands texting and hand-held mobile telephone prohibitions for commercial motor vehicle operators of all ages, and restricts texting for non-commercial drivers age 21 and younger

Disqualifies commercial drivers for violations including driving under the influence, fatalities from negligent operation, leaving accident scenes, using vehicles in felony commission, and serious traffic violations with specified duration periods