Commercial Motor Vehicle English Proficiency Act

This bill requires commercial motor vehicle drivers to demonstrate English proficiency to pass knowledge tests or receive certification. It directly affects drivers seeking commercial licenses by mandating they understand English for key tasks: reading traffic signs, communicating with officers (like border patrol), and exchanging directions. The law prohibits administering these tests in any language other than English, effective two years after enactment. The Secretary of Transportation must update federal regulations to implement these requirements.