Colorado CDL Study and Tests

Colorado CDL Prep and CDL Practice Tests. Includes the CDL Manual and 72 practice tests. This all-in-one app is the perfect combination of practice tests and CDL study guide. If you're studying for one of the endorsement tests, we have you covered. Our practice tests include all endorsement exams - Air Brakes, Doubles/Triples, Hazmat, School Bus, Tank Vehicles, and Transporting Passengers Safely.

Our Colorado CDL study guide is the federal CDL manual converted to a convenient app. It covers Class A, Class B, and Class C CDL exams. We've taken the entire CDL manual and broken it into the appropriate chapters. Chapters include:

Introduction to CDLs

Driving Safely

Transporting Cargo Safely

Transporting Passengers Safely

Air Brakes

Combination Vehicles

Doubles and Triples

Tank Vehicles

Hazardous Materials

School Bus

Pre-Trip Inspection

Basic Vehicle Controls Skills Test

On-Road Driving Skills Test

Our practice tests cover both the CDL test and the endorsement exams. We have 72 CDL practice tests with 5 to 50 questions. If you only have a few minutes to study, try one of the 5-question tests. When you're prepared and have more time, tackle one of the full version tests.

Our CDL practice tests include:

Air Brakes

Combination Vehicles

Doubles and Triples

Driving Safely

General Knowledge

Hazardous Materials

Pre-Trip Inspection

Railroad-Highway Crossings

School Bus

Tank Vehicles

Transporting Cargo Safely

Transporting Passengers Safely