CDL Learning Center
Structured lessons with tables, warnings, examples and knowledge checks. Labels show whether content is federal, state-specific or community-provided.
Federal CDL Study Guide (sample)
Original study summaries based on federal rules and the model CDL manual. Sample development content — not a complete or official manual.
General Knowledge
License classes, endorsements and why inspections matter.
Driving Safely
Seeing ahead, managing space and speed, and stopping distance.
Transporting Cargo
Inspecting cargo, weight and balance.
Air Brakes
How air brakes work and the required system checks.
Combination Vehicles
Coupling, uncoupling, trailer air controls and rollover risk.
Doubles and Triples
Pulling multiple trailers safely.
Tank Vehicles
Liquid surge, baffles and outage.
Hazardous Materials
Shipping papers, placards and driver duties.
Passenger Vehicles
Bus inspection, passengers and crossings.
School Bus
Danger zones, mirrors and loading.
Pre-Trip Inspection
The seven-step inspection method.
Basic Vehicle Control
Backing and control skills.
Road Signs
Shapes and colors.
Railroad Crossings
Required stops and what to do if stuck.
Emergency Procedures
Warning devices, skids, brake failure and fires.
Hours of Service Basics
Basic federal driving and on-duty limits.
Cargo Securement Basics
Tiedown counts and working load limits.