Commercial driver’s license CDL is a commercial driver’s license, without which driving long-distance trucks is prohibited. In this article, we will look at a class B license, what it is, as well as what opportunities it opens up for drivers. There are also other types of licenses. If you are interested in more information on this topic, we recommend that you read our article on class C. You can get more information about what licenses are and about our training formats at our training courses for long-distance dispatchers.