The need for commercial drivers has never been greater. Prepare yourself for success with Peterson’s Master the Commercial Driver’s License Exams study guide. This study guide not only breaks down each endorsement in detail but also offers multiple practice tests--20 tests in total. You’ll learn how to prepare for your exams and what to expect on test day with the following:Information about the written and skills examsDiagnostic tests to help you pinpoint your strengths and weaknessesComprehensive review of material for all CDL endorsements and requirements:General KnowledgeAir BrakesCombination VehiclesDouble and Triple TrailersTanker VehiclesHazardous MaterialsPassenger VehiclesSchool BusesPractice tests with detailed answer explanations to help with every endorsement

The need for commercial drivers has never been greater. Prepare yourself for success with Peterson’s Master the Commercial Driver’s License Exams study guide. This study guide not only breaks down each endorsement in detail but also offers multiple practice tests--20 tests in total. You’ll learn how to prepare for your exams and what to expect on test day with the following:Information about the written and skills examsDiagnostic tests to help you pinpoint your strengths and weaknessesComprehensive review of material for all CDL endorsements and requirements:General KnowledgeAir BrakesCombination VehiclesDouble and Triple TrailersTanker VehiclesHazardous MaterialsPassenger VehiclesSchool BusesPractice tests with detailed answer explanations to help with every endorsement