Preparing for the Iowa CDL Permit Practice Test? We are here to help! Our Iowa driving practice test contains multiple choice questions that have been designed specifically for this driving test, based on the official Iowa government cdl (trucks and buses) handbook. This test will allow you to test your basic knowledge and skills of cdl (trucks and buses) driving in Iowa and road rules from the IA cdl (trucks and buses) driver handbook. Each question has several multiple choices, but only one of them is the correct answer. If in doubt, think through the question logically, eliminate wrong answers and take an educated guess. You will receive immediate feedback if you are right or wrong so you can learn on the spot, and what the correct answer is. Please note that each time you take a test on our website, you will get a different set of randomized questions, creating an excellent learning experience so we can prepare you to pass your test. Study hard, good luck on your test, be safe and have fun on the road!