How to get double/triple endorsement?

What is a double/triple endorsement?  

А doubles and triples endorsement, known as a “T” endorsement, allows a Commercial Driver’s License (CDL) holder to pull multiple trailers simultaneously, forming what are called longer combination vehicles (LCVs). With this endorsement, drivers can tow up to three trailers at once, although the exact number may vary depending on the type of cargo and the carrier’s policies.

It’s important to note that each state has its own regulations regarding the number, length, and weight of trailers. In some states, the use of doubles triples endorsement is restricted or even prohibited. Therefore, it’s essential to research the specific opportunities and regulations in your area before deciding to pursue this endorsement. This ensures that you are well-informed and compliant with local laws.

How to Get a double/triple Endorsement:

1. Start with Your CDL Ensure you have a valid Commercial Driver’s License (CDL) as a prerequisite to obtaining the endorsement.
2. Pass Your Knowledge Test Study and pass the Doubles/Triples CDL Practice test, which consists of 20 questions and requires an 80% passing rate. Focus on safety, coupling/uncoupling procedures, and vehicle handling.
3. Pass Your Practical Skills Assessment Successfully complete the skills test to demonstrate your ability to safely handle double or triple trailer setups under various driving conditions.
4. Fulfill State-Specific Criteria Meet any additional requirements or obtain any other endorsements as mandated by state regulations.

How much is doubles and triples endorsement

The cost to obtain a doubles and triples endorsement varies by state. In California, for example, the fee to add this endorsement is $58​ (DMV)​. Additionally, you might find our training courses specifically for this endorsement.

Keep in mind that these costs can include fees for the written knowledge test and possibly a skills test, depending on the state’s requirements. It’s a good idea to check with your local DMV or relevant state authority for the most accurate and up-to-date information regarding fees and requirements specific to your area.

Preparing for the double/triple Test

Just like with any test, preparation is key. You will need to study and memorize several topics before taking the exam, including:

1. Coupling and Uncoupling
   • Understand the proper procedures for coupling and uncoupling multiple trailers. This includes connecting and disconnecting air lines, electrical lines, and ensuring the secure attachment of trailers.
2. Truck and Trailer Inspections
   • Learn how to conduct thorough inspections of both the truck and trailers. This includes checking for mechanical issues, ensuring proper tire inflation, and inspecting braking systems.
3. Stabilization Techniques for Hauling Multiple Trailers
   • Familiarize yourself with stabilization techniques to safely haul multiple trailers. This involves understanding weight distribution, the use of stabilizing devices, and managing the dynamic movements of trailers.
4. Skills for Driving Multiple Trailers in Adverse Conditions
   • Develop skills for safely driving multiple trailers in challenging conditions such as:
     • Steep Grades: Learn how to manage speed and braking on steep inclines and declines.
     • Longer Passing Times: Understand the increased time needed to pass other vehicles safely.
     • Diminished Views: Adjust to the limited visibility caused by longer trailer combinations.
5. Safety Protocols for Emergency Situations
   • Study safety protocols for handling emergencies, such as brake failures, tire blowouts, and trailer sway. Know the steps to take to maintain control and ensure the safety of yourself and others on the road.

Study Resources

All this information can be found in your state’s CDL study guide.You can also take the corresponding test on https://startcdl.com/quiz-landing and check your preparation for this test. Additionally, there is a lot of free information and practice tests available on our website that can help you prepare for the exam.

Conclusion

Passing the cdl doubles and triples test for the endorsement is achievable with diligent studying. By thoroughly understanding and memorizing the key topics, you can increase your chances of success and enhance your qualifications as a CDL holder.