CDL Study Guide 2025-2026: 6 Practice Tests and CDL Permit Prep Book [2nd Edition]

Trivium Test Prep's CDL Study Guide includes everything you need to pass the CDL exam the first time.

• Quick review of the concepts covered on the CDL exam
• 6 full practice tests with detailed answer explanations [1 in the book ] 5 online in an easy-to-use format]
• Tips and tricks from experienced CDL drivers
• Additional Online Resources

Trivium Test Prep's CDL Study Guide is aligned with the official CDL exam framework. Topics covered include:

• Controlling the Vehicle
• Driving Safely
• Transporting Cargo
• The Air Brake System
• Combination Vehicles
• Double and Triple Trailers
• Passengers, Tank Vehicle, Hazardous Materials, School Bus
• Metal Coils
• Vehicle Safety Inspection, Basic Vehicle Control Skills Test, Road Test

Federal Motor Carrier Safety Administration (FMCSA) and Department of Transportation (DOT) were not involved in the creation or production of this product, is not in any way affiliated with Trivium Test Prep, and does not sponsor or endorse this product.