The Federal Motor Carrier Safety Administration issues Department of Transportation (DOT) numbers to commercial vehicles that have been registered. All carrier vehicles that exceed specified weight limits carry a minimum number of paying passengers or travel across state lines are required to have DOT numbers. Local DOT regulations also apply in the majority of states. Dot Certification: What Does It Mean? With DOT certification, a driver can demonstrate that they are qualified to operate commercial vehicles on highways and roads. Most states require DOT certification to use commercial motor vehicles, such…
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