A DOT (Department of Transportation) medical card, also known as a Medical Examiners Certificate, is a document awarded following a physical exam by a qualified medical examiner. It verifies that you are in good health and fit enough to operate a commercial or public service vehicle. The DOT physical is a medical examination that commercial vehicle drivers must undergo before being permitted to drive for a living. The exam ensures that drivers are fit enough to meet the demands of their job and can operate large vehicles or vehicles with passengers without putting themselves or anyone else at risk. The exam consists of a detailed medical history, including any surgeries, medications, and health problems. The medical examiner will also check your vision, hearing, blood pressure, and other vital signs. The DOT physical is valid for up to 24 months, and drivers must renew their medical certification every 1-2 years. Drivers who fail the exam can work with their doctor to get their health back on track so they can get back on the road.