FREE IL CDL Double/Triple Trailers Practice Test 2018

This CDL practice test is a great place to start if you’re after the IL Double/Triple Trailers endorsement. Each of the 20 questions is based on the official 2018 CDL manual. The test is designed to prepare you for the Double/Triple Trailers portion of your 2018 Commercial Driver’s License exam. There are several answer options, but only one of them is correct. Every time you answer a question, you’ll get immediate feedback with a detailed explanation, so you won’t need to wait until the end of the test to know the correct answers.