The Federal Motor Carrier Safety Regulations (FMCSRs) and Hazardous Material Regulations (HMRs) set forth minimum safety standards for motor carriers and drivers. They are published in Title 49 of the U.S. Code of Federal Regulations (CFR) and organized into Sections and Parts, designated by a numbered entry. You will see references to the CFR throughout this document so that you can easily locate the original code in the online CFR. Citations appear as follows: 49 CFR 390 or 49 CFR 390.15, where:
Title 49 governs transportation.