There are websites, such as CDL Career Now, which are dedicated to teach people how to earn a commercial driver's license. There are also technical colleges that teach students what they need to earn a CDL, such as Central Tech located in Oklahoma.
CDL Career Now offers the opportunity for students to find local tech school that teach the programs required to past the CDL test in their respective states. The website also offers practice tests, which can be taken for free, to allow its users to become more prepared for the CDL exam.
Using CDL Career Now's search engine allows a user to connect to places like Central Tech. Central Tech offer programs directly catered to help its student succeed in the trucking industry.