Want to jump start your career in commercial driving in Colorado? Take the first step by reading and studying the Colorado Commercial Driver’s License (CDL) Manual. The manual will provide you with the information necessary to pass the written CDL knowledge exam.

Will the CO CDL Manual Prepare You for the Test

Finished reading the Colorado CDL manual? Ok, now what? It’s time to put you what you read into practice by taking a few practice tests. Our free Colorado CDL Practice Tests cover all areas of the knowledge exam including the required endorsement tests. Take a few practice tests now to see if you’re truly ready for test day. Good luck!

Information Covered in the Manual

In the Colorado CDL manual, you’ll find 13 chapters. These chapters cover everything you need to know about how to become a safe commercial driver in Colorado. The Commercial Driver’s License Manual not only covers the different classes and their requirements, it also covers other topics, such as Colorado traffic laws and safe driving practices.

  • Introduction
  • Driving Safely
  • Transporting Cargo Safely
  • Transporting Passengers Safely
  • Air Brakes
  • Combination Vehicles
  • Doubles and Triples
  • Tank Vehicles
  • Hazardous Materials
  • School Buses
  • Vehicle Inspection Test
  • Basic Vehicle Control Skills Test
  • On-road Driving

Think You're Ready for the Colorado CDL Test?

Find Out Before You Take the Exam.

Take a free CO CDL test