2017 CDL TestsBelow are the links to each CDL practice test.
About the CDL TestAbout the CDL Written Test and Endorsement Tests
Each state has a different written test format, but all the test questions and answers are nearly the same. For example, in Florida the written test is taken on a computer and each question has a time limit. In other states the written test is taken on paper and there is no time limit.
In most states the general knowledge test is 50 questions and the rest of the endorsements are about 30 questions. You can take as many written tests as you want in one day. You can always go back to the DMV to get more endorsements. For example, when you first took the written test you only wanted to drive a combination vehicle with air brakes. Ten years later you now want to drive a tanker truck, so you go to CDL Test Genius study for the tank endorsement and pass the tanker endorsement test at the DMV.