About FMCSA Medical Help

About FMCSA Online Help

Comprehensive Online DOT Help File

Preventive PLUS have compiled an easy to use comprehensive searchable online Commercial Driver Medical Certification (DOT) PDF document that details the information you require to apply for and obtain your Commercial Driver Medical Certification.


As the lead federal government agency responsible for regulating and providing safety oversight of commercial motor vehicles (CMVs), FMCSA's mission is to reduce crashes, injuries, and fatalities involving large trucks and buses.

FMCSA partners with industry, safety advocates, and state and local governments to keep our nation's roadways safe and improve CMV safety through regulation, education, enforcement, research, and technology.

We understand that your workforces health matters...