CDL Resources – Basics of a Commercial Driver’s License (CDL)

A CDL is required to operate most large/heavy vehicles as well as to haul most hazardous materials, some bulk cargo (tanks) and more than 16 passengers. Like everything, there are exceptions to the rules and plenty of nuances. Please contact us if you have questions.

Here is a basic breakdown of the different types of licenses and endorsements:

With that out of the way, the sidebar on the left will bring you to audio file playlists to help you study for the test.