Free CDL Practice Test is a desktop app to prepare you for a CDL test. A commercial driver's license (CDL) is a driver's license required in the United States to operate any type of vehicle. Practice Test Free has come to you with this great course preparatory application. The application consists of 6 different subjects which you can select to start practicing. You can select all subjects or only those in which you are not good so it can be a good practice for you. The time for completing the test is calculated like a real test and even if you select certain subjects, it still calculates their time only. To answer a question simply click "Mark as Answer" and go on. You can answer to all questions but if you can't do so, then leave them unanswered and they will be marked as "Not Attempted". All of your correct and wrong answers will be shown in a window when you finish the test. Also your score as a percent will be shown to you so that you can see how good you have done the test. The correct answers will be displayed next to your answers too. This helps you to compare your results. The application is very friendly and simple. It is developed to help you in passing this test successfully. Some key features of Free CDL Practice Test are: - Practice CDL test on your own and without stress - A total of 6 grouped subjects - Completion time for each subject is calculated.