i.e. intrastate commerce. Additional age restrictions vary by state law. For example, New Jersey requires drivers to be at least 21 years of age for a passenger endorsement. On 15 November 2021, New York Governor Kathy Hochul signed legislation to lower the minimum age for a CDL Class A from 21 to 18. Previously, New York State only allowed 18 to 20-year-olds to apply for a CDL Class B or C, but not for a CDL Class A until they turn 21. The Infrastructure Investment and Jobs Act signed into law on 15 November 2021 by President Joe Biden established the "safe driver apprenticeship pilot program" that would allow qualified 18 to 20-year-olds with a CDL to operate in interstate commerce after successful completion of supervised training with an older and experienced driver. This program aims to help alleviate the national truck driver shortage by removing the barrier for 18, 19, and 20-year-olds to become professional bus and truck drivers by exempting them from the age requirement for interstate commerce provided they meet all other requirements as drivers age 21 and over. Regulation changes Before 1992, driving commercial motor vehicles (CMVs), which are primarily tractor-trailers (or Longer Combination Vehicles (LCVs)), required advanced skills and knowledge above and beyond those required to drive a car or other lightweight vehicle. Before the implementation of the commercial driver's license (CDL) in 1992, licensing requirements for driving larger vehicles and buses varied from state to state. This lack of training resulted in a large number of preventable traffic deaths and accidents. In 1992, when the Act became law, all drivers were required to have a CDL in order to drive a Commercial Motor Vehicle. The Federal Highway Administration (FHWA) has developed testing standards for licensing drivers. U.S. states are able to issue CDLs only after a written and practical test have been given by the State or approved testing facility. A driver needs a CDL if the vehicle meets one of the definitions of a Commercial Motor Vehicle (CMV) listed above. A state may also require a driver to have a CDL to operate certain other vehicles. For example, a driver licensed in New Jersey must have a CDL to drive a bus, limousine, or van that is used for hire and designed to transport 8 to 15 passengers. A driver licensed in New York must have a CDL to legally transport passengers in