CDL Endorsements

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FREE Online CDL Endorsements Courses—Unlimited Access! Applies to Every US State.

Add additional endorsements to your CDL (e.g. Hazmat, Tanker, Doubles/Triples, Passenger, Combination Vehicle, Air Brakes, School Bus) by studying the applicable course here. These courses are an alternative to studying at the DMV. After completing the course, all you need to do is take the endorsement test at the DMV. When you pass, they will issue you a new license with the endorsement. Thanks, and enjoy.


Air Brakes Endorsement:

Required to operate vehicles with air brakes.Includes the following topics:

  • Introduction
  • Air Brake System Parts
  • Gauges
  • Emergency and Parking brakes
  • Modulating Control Valve
  • Dual Parking Control Valves
  • Anti-lock Brakes
  • Inspecting Air Brake Systems

Combination Vehicles Endorsement

Required to operate combination vehicles (included in the Class A Complete Course). Includes the following topics:

  • Introduction
  • Rollover Risks
  • Railroad-Highway Crossings
  • Prevent Trailer Skids
  • Backing with a Trailer
  • Combination Vehicles: Air Brakes
  • Braking with ABS
  • Coupling
Commercial Bus illustration

Passenger Vehicle Endorsement

Required to haul 16 or more passengers (included in the Class B Passenger Complete Course). Includes the following topics:

  • Transporting Passengers Safely
  • Vehicle Inspection
  • Loading and Trip Start
  • On the Road
  • Post-Trip Vehicle Inspection
  • Prohibited Practices
  • Use of Brake-Door-Interlock Devices
Tanker Vehicle illustration

Tanker Vehicle Endorsement

Required to operate Tanker vehicles. Includes the following topics:

  • Introduction
  • Inspecting Tank Vehicles
  • Leaks
  • Special Equipment
  • Driving Tank Vehicles
  • Bulkheads
  • Baffled and Un-Baffled Tanks
  • Outage
  • Safe Driving Rules
Doubles and Triples illustration

Doubles and Triples Endorsement

Required to operate Doubles and Triples vehicles. Includes the following topics:

  • Introduction
  • Pulling Doubles and Triples
  • Preventing Rollovers
  • Beware of the Crack the Whip Effect
  • Inspect Completely
  • Managing Space
  • Parking the Vehicle
  • Coupling and Uncoupling
  • Air Brake Check
Hazmat Placard

Hazardous Materials Endorsement:

Required for commercial drivers who want to transport hazardous materials This course covers the knowledge required to pass the written test at your local motor vehicle office. This course covers all knowledge required for all of the United States. This course is 1 hour long and includes a practice test at the end. After taking this course, you should be able to pass your test. Enjoy.

School Bus Endorsement

Required to operate School Bus vehicles. Includes the following topics:

  • Introduction
  • Danger Zones
  • Mirrors
  • Loading and Unloading Students
  • School Bus Stops
  • Emergency Exit and Evacuation
  • Student Management
  • Handling Serious Problems