A DOT physical is a health exam required by the Federal Motor Carrier Safety Administration (FMCSA) for commercial motor vehicle drivers. The DOT physical determines if a driver is physically, emotionally, and mentally capable of operating a commercial motor vehicle. The FMCSA requires drivers to pass a DOT physical to maintain a commercial driver’s license. Here’s everything you need to know about the DOT physical, including what to bring, what to expect from ...