Why a Driver Cannot Drive a Motor Vehicle?
Driver Ineligibility to Operate a Motor Vehicle
A driver who has been declared ineligible may not operate a commercial motor vehicle.
A driver who has been declared ineligible to operate a commercial motor vehicle (CMV) either temporarily or permanently, due to a disqualification, license suspension, revocation, cancellation or other similar action, is not permitted to operate a CMV in the United States. Disqualifications may occur for a number of reasons, including but not limited to drug or alcohol abuse, infractions of traffic laws, or illnesses that may make it difficult for a person to drive. The Federal Motor Carrier Safety Administration (FMCSA) oversees the regulation of the commercial driving sector and has established guidelines for drivers to follow. The commercial driver's license (CDL) may be revoked or suspended for any infraction of these rules.
The question is incomplete, complete question is "Why a driver cannot drive a motor vehicle?" A driver cannot drive a motor vehicle because they may have been declared ineligible to operate a commercial motor vehicle for various reasons such as disqualifications, license suspension, revocation, cancellation, or other similar actions. These actions are overseen by the Federal Motor Carrier Safety Administration (FMCSA) and can be due to drug or alcohol abuse, traffic law infractions, or illnesses that may affect a driver's ability to operate a vehicle safely.