CDL Commercial Driver's License Exam

REA’s 2026-2027 Commercial Driver's License (CDL) Test Prep Puts You In The Driver’s Seat!

This user-friendly manual includes nine practice tests that cover the entire scope of the CDL exams and provides complete preparation for both the bus and truck driver exams.
 

A Complete Subject Review―written by a seasoned trucker and CDL instructor! Matt says… “It’s been proven that the more questions you answer before you take the actual exam, the better you will do on the test.”
 

Updated 6th Edition - 2026-2027

Looking to get your CDL and start a new and profitable career? REA can get you headed in the right direction! Commercial drivers are in high demand across the United States, and a high score on the CDL vastly improves your chances for landing the job you want.
 

This updated sixth edition of our top-selling test prep book offers complete preparation for both the bus and truck driver licensing exams.
 

Based on the current CDL exams, REA’s 2026-2027 Commercial Driver's License test prep guide focuses on what you need to know. Easy-to-follow review chapters cover all the topics tested on the exams, including:

• General Knowledge 
• Passenger Transport
• Combination Vehicles
• Hazardous Materials
• Tankers
• Doubles/Triples
• School Bus
• Air Brakes
• Metal Coil 
• Part I you will be introduced to the basics of the CDL Exam, including the Exemptions, Class A, B, and C vehicles and weight ratings, the various tests, interstate/international driving regulations, and Safety Act rules. 
• Part II is the review section, where we cover all of the information on the tests. We’ve even included the Metal Coil test that is currently in effect in some states for truckers and may likely be included in other state tests over time. Our latest addition is a chapter on School Buses.
• Part III is the CDL Skills Test Review where we go over the skills that are required for the actual Road Test including vehicle inspection, basic control of the vehicle, driving safety during various time periods and weather conditions, training for accident procedures, and hazardous materials rules for all commercial drivers.
• Part IV features the Practice Knowledge Tests. It’s been proven that the more questions you answer before you take the actual exam, the better you will ultimately do on the final test.
• At the end of the book is our CDL Directory with the up-to-date Commercial Driver’s License contacts by state.

Checklists, diagrams, and definitions of must-know terms help reinforce your knowledge and skills as you study.

This complete 2026-2027 CDL test prep package features the latest information on the testing and licensing requirements in all 50 states. Learn the facts about the Commercial Motor Vehicle Safety Act, Rules, and Licensing, so you’ll be well-informed on the rules of the road.

The book contains 9 practice tests that cover the entire scope of the CDL exams. Each practice test comes complete with detailed answer explanations. Unlike other test preps, we don’t just say which answers are right, we explain why the other choices are wrong, giving you the context and confidence that will give you a valuable edge on test day.
 

​REA’s 2026-2027 CDL test prep is a must for anyone preparing for this career-building exam!

Author Matt Mosher is a third-generation trucker with more than 450,000 safe-driving miles behind him. He currently teaches the rules of the road to students at the Sage Truck Driving School. Contributing editor John Allen is a versatile test-prep author whose books for REA include category best-sellers for professional certification and admission exams.