Double
This endorsement is required if the driver will pull two or three trailers. To receive this endorsement, applicants must pass a test. The test consists of 20 multiple choice questions. To pass, the applicant must answer at least 16 questions correctly. Each question has four possible answer choices. Test questions come from the New Hampshire CDL Driver’s Guide. Questions come from chapters covering: Driving Safely, Air Brakes (if applicable), Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
Number of Question
Passing Score
1. In a dual air brake system:
Explanation
Most heavy-duty vehicles use dual air brake systems. A dual air brake system consists of two separate air brake systems, connected by a single set of brake controls. Each system has its own air tanks.
2. Wheel rims that have been welded should:
Explanation
Wheels and rims with welding repairs are not safe to be used. Replace any damaged wheels and rims.
3. When entering traffic, a large vehicle usually needs:
Explanation
A large vehicle requires more space when entering or crossing traffic than a smaller vehicle. This is not only because the vehicle itself is larger, but also because it needs a longer distance to accelerate.
4. If an Anti-Lock Braking System (ABS) malfunctions:
Explanation
On a vehicle with ABS, a yellow malfunction lamp on the instrument panel will illuminate to alert you if the braking system is not working.
5. To prevent a set of doubles or triples from rolling over, you should:
Explanation
To avoid rolling over, you should drive slowly and steer gently when turning, taking curves, and driving around corners. Remember that a safe speed for a straight truck or single trailer combination may be too fast for a double or triple trailer combination.
6. When connecting a converter dolly to a second or third trailer, the trailer height should be:
Explanation
When connecting a converter dolly to a second or third trailer, the trailer height should be correct. It should be slightly lower than the center of the fifth wheel.
7. On any upgrade, gravity will:
Explanation
When driving uphill, you are fighting the force of gravity, which will slow down your vehicle.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in New Hampshire, you must follow these steps:
1. Have a valid New Hampshire CDL.
2. Pass a knowledge test for Doubles/Triples. The test will cover information on how to safely operate a vehicle with double or triple trailers, such as maintaining control, coupling and uncoupling, and inspecting the vehicle.
3. Schedule an appointment with the New Hampshire DMV to take the knowledge test. You can schedule an appointment by calling 603-227-4000 or visiting a local DMV office.
4. Pay the required fee for the endorsement.
5. Pass a skills test for Doubles/Triples. The skills test will require you to demonstrate your ability to operate a vehicle with double or triple trailers safely and effectively.
6. Once you have passed the knowledge and skills tests, your CDL will be updated to include the Doubles/Triples endorsement.
It is important to note that additional requirements may apply depending on your specific situation, such as completing a training program or obtaining medical certification. Be sure to check with the New Hampshire DMV for any additional requirements before applying for a CDL Doubles/Triples endorsement.
1. Have a valid New Hampshire CDL.
2. Pass a knowledge test for Doubles/Triples. The test will cover information on how to safely operate a vehicle with double or triple trailers, such as maintaining control, coupling and uncoupling, and inspecting the vehicle.
3. Schedule an appointment with the New Hampshire DMV to take the knowledge test. You can schedule an appointment by calling 603-227-4000 or visiting a local DMV office.
4. Pay the required fee for the endorsement.
5. Pass a skills test for Doubles/Triples. The skills test will require you to demonstrate your ability to operate a vehicle with double or triple trailers safely and effectively.
6. Once you have passed the knowledge and skills tests, your CDL will be updated to include the Doubles/Triples endorsement.
It is important to note that additional requirements may apply depending on your specific situation, such as completing a training program or obtaining medical certification. Be sure to check with the New Hampshire DMV for any additional requirements before applying for a CDL Doubles/Triples endorsement.
To obtain a CDL Doubles/Triples license in New Hampshire, you must meet the following requirements:
1. Be at least 18 years old.
2. Hold a valid New Hampshire CDL.
3. Pass a knowledge test for Doubles/Triples. The test will cover information on how to safely operate a vehicle with double or triple trailers, such as maintaining control, coupling and uncoupling, and inspecting the vehicle.
4. Pass a skills test for Doubles/Triples. The skills test will require you to demonstrate your ability to operate a vehicle with double or triple trailers safely and effectively.
5. Meet the medical requirements for a CDL as outlined by the Federal Motor Carrier Safety Administration (FMCSA). This may include obtaining a medical certification from a qualified healthcare professional.
6. Provide proof of residency in New Hampshire.
7. Pay the required fees for obtaining a CDL Doubles/Triples license.
It is important to note that additional requirements may apply depending on your specific situation, such as completing a training program or obtaining endorsements for specific types of vehicles or cargo. Be sure to check with the New Hampshire DMV for any additional requirements before applying for a CDL Doubles/Triples license.
1. Be at least 18 years old.
2. Hold a valid New Hampshire CDL.
3. Pass a knowledge test for Doubles/Triples. The test will cover information on how to safely operate a vehicle with double or triple trailers, such as maintaining control, coupling and uncoupling, and inspecting the vehicle.
4. Pass a skills test for Doubles/Triples. The skills test will require you to demonstrate your ability to operate a vehicle with double or triple trailers safely and effectively.
5. Meet the medical requirements for a CDL as outlined by the Federal Motor Carrier Safety Administration (FMCSA). This may include obtaining a medical certification from a qualified healthcare professional.
6. Provide proof of residency in New Hampshire.
7. Pay the required fees for obtaining a CDL Doubles/Triples license.
It is important to note that additional requirements may apply depending on your specific situation, such as completing a training program or obtaining endorsements for specific types of vehicles or cargo. Be sure to check with the New Hampshire DMV for any additional requirements before applying for a CDL Doubles/Triples license.
While there is no specific experience or training required to obtain a CDL Doubles/Triples endorsement in New Hampshire, it is highly recommended that you have some prior experience with operating large vehicles and trailers before attempting to obtain this endorsement.
In addition, the Federal Motor Carrier Safety Administration (FMCSA) has established new entry-level driver training requirements for individuals seeking to obtain a CDL, which includes specific training for operating double and triple trailers. These requirements will go into effect on February 7, 2022.
Therefore, it is highly recommended that you complete a comprehensive CDL training program that includes instruction on operating double and triple trailers, as well as hands-on experience with these vehicles, before attempting to obtain a CDL Doubles/Triples endorsement. This can help ensure that you have the necessary knowledge and skills to operate these vehicles safely and effectively.
In addition, the Federal Motor Carrier Safety Administration (FMCSA) has established new entry-level driver training requirements for individuals seeking to obtain a CDL, which includes specific training for operating double and triple trailers. These requirements will go into effect on February 7, 2022.
Therefore, it is highly recommended that you complete a comprehensive CDL training program that includes instruction on operating double and triple trailers, as well as hands-on experience with these vehicles, before attempting to obtain a CDL Doubles/Triples endorsement. This can help ensure that you have the necessary knowledge and skills to operate these vehicles safely and effectively.
Yes, to obtain a CDL Doubles/Triples endorsement in New Hampshire, you must pass a written test specifically for Doubles/Triples knowledge. This test will cover information on how to safely operate a vehicle with double or triple trailers, such as maintaining control, coupling and uncoupling, and inspecting the vehicle.
In addition to this written test, you may also be required to pass additional knowledge tests depending on the type of cargo you will be transporting. For example, if you will be transporting hazardous materials, you will need to obtain a Hazmat endorsement by passing an additional knowledge test.
It is important to note that the tests for obtaining a CDL Doubles/Triples endorsement are separate from the tests for obtaining a standard CDL. Therefore, even if you already hold a CDL, you will need to take and pass the additional tests for Doubles/Triples endorsement.
Finally, it's worth noting that as of February 7, 2022, the FMCSA has established new entry-level driver training requirements for individuals seeking to obtain a CDL. This includes specific training for operating double and triple trailers. These new requirements may include additional written exams or tests.
In addition to this written test, you may also be required to pass additional knowledge tests depending on the type of cargo you will be transporting. For example, if you will be transporting hazardous materials, you will need to obtain a Hazmat endorsement by passing an additional knowledge test.
It is important to note that the tests for obtaining a CDL Doubles/Triples endorsement are separate from the tests for obtaining a standard CDL. Therefore, even if you already hold a CDL, you will need to take and pass the additional tests for Doubles/Triples endorsement.
Finally, it's worth noting that as of February 7, 2022, the FMCSA has established new entry-level driver training requirements for individuals seeking to obtain a CDL. This includes specific training for operating double and triple trailers. These new requirements may include additional written exams or tests.
To obtain a CDL Doubles/Triples endorsement in New Hampshire, you will need to demonstrate your ability to safely operate a vehicle with double or triple trailers. During the skills test, you will be evaluated on your ability to perform specific maneuvers, including:
1. Pre-trip inspection: You will need to perform a thorough inspection of your vehicle and trailers before starting the test. This will include checking lights, brakes, tires, coupling devices, and other key components.
2. Coupling and uncoupling: You will need to demonstrate your ability to properly couple and uncouple your vehicle and trailers, including verifying that all connections are secure.
3. Straight-line backing: You will need to back up your vehicle and trailers in a straight line for a distance of 100 feet.
4. Offset backing: You will need to back up your vehicle and trailers into a space that is offset from your starting position by 45 degrees.
5. Parallel parking: You will need to park your vehicle and trailers in a space that is 10 feet wide by 40 feet long.
6. Coupling and uncoupling from the converter dolly: If you are testing with a triple trailer, you will need to demonstrate your ability to properly couple and uncouple the front trailer from the converter dolly.
It's important to note that passing the CDL Doubles/Triples endorsement test requires a high level of skill and experience. It's highly recommended that you complete a comprehensive CDL training program that includes hands-on experience with double or triple trailers before attempting this test.
1. Pre-trip inspection: You will need to perform a thorough inspection of your vehicle and trailers before starting the test. This will include checking lights, brakes, tires, coupling devices, and other key components.
2. Coupling and uncoupling: You will need to demonstrate your ability to properly couple and uncouple your vehicle and trailers, including verifying that all connections are secure.
3. Straight-line backing: You will need to back up your vehicle and trailers in a straight line for a distance of 100 feet.
4. Offset backing: You will need to back up your vehicle and trailers into a space that is offset from your starting position by 45 degrees.
5. Parallel parking: You will need to park your vehicle and trailers in a space that is 10 feet wide by 40 feet long.
6. Coupling and uncoupling from the converter dolly: If you are testing with a triple trailer, you will need to demonstrate your ability to properly couple and uncouple the front trailer from the converter dolly.
It's important to note that passing the CDL Doubles/Triples endorsement test requires a high level of skill and experience. It's highly recommended that you complete a comprehensive CDL training program that includes hands-on experience with double or triple trailers before attempting this test.
No, you cannot operate a vehicle with double or triple trailers without a CDL Doubles/Triples endorsement. The Federal Motor Carrier Safety Administration (FMCSA) requires drivers to have a CDL Doubles/Triples endorsement to operate vehicles with multiple trailers.
In New Hampshire, you must pass a written test and a skills test specifically for Doubles/Triples knowledge to obtain this endorsement. Additionally, you must already hold a valid CDL license.
Driving a vehicle with double or triple trailers without the proper endorsement is illegal and can result in fines and other penalties. It's important that you obtain the proper endorsement and training before operating this type of vehicle to ensure the safety of yourself and others on the road.
In New Hampshire, you must pass a written test and a skills test specifically for Doubles/Triples knowledge to obtain this endorsement. Additionally, you must already hold a valid CDL license.
Driving a vehicle with double or triple trailers without the proper endorsement is illegal and can result in fines and other penalties. It's important that you obtain the proper endorsement and training before operating this type of vehicle to ensure the safety of yourself and others on the road.
You can add the CDL Doubles/Triples endorsement to your existing CDL license in New Hampshire. To add the endorsement, you will need to pass a written test and a skills test demonstrating your ability to safely operate a vehicle with double or triple trailers.
To apply for the endorsement, you will need to visit a New Hampshire DMV office and provide proof of identity and residency, as well as your current CDL license. You will also need to pay a fee for the written test and skills test.
Once you have passed both tests, the endorsement will be added to your CDL license. You do not need to apply for a new license.
It's important to note that adding the CDL Doubles/Triples endorsement may require additional training and practice to ensure that you are able to safely operate a vehicle with multiple trailers on the road. It's recommended that you undergo comprehensive training before attempting the endorsement tests.
To apply for the endorsement, you will need to visit a New Hampshire DMV office and provide proof of identity and residency, as well as your current CDL license. You will also need to pay a fee for the written test and skills test.
Once you have passed both tests, the endorsement will be added to your CDL license. You do not need to apply for a new license.
It's important to note that adding the CDL Doubles/Triples endorsement may require additional training and practice to ensure that you are able to safely operate a vehicle with multiple trailers on the road. It's recommended that you undergo comprehensive training before attempting the endorsement tests.
Yes, drivers with a CDL Doubles/Triples endorsement are subject to certain restrictions and limitations in New Hampshire.
One important limitation is that drivers with this endorsement are only allowed to operate vehicles with double or triple trailers that meet certain length and weight requirements. The maximum length for a vehicle with double trailers is 28 feet for each trailer, and the maximum weight is 80,000 pounds. For vehicles with triple trailers, the maximum length is 28 feet for each trailer and the maximum weight is 80,000 pounds.
Drivers with a CDL Doubles/Triples endorsement are also required to have additional safety equipment on their vehicle, such as extended mirrors and underride guards. They must also follow specific rules when changing lanes or turning.
It's important for drivers with this endorsement to be aware of these restrictions and limitations and to follow all applicable regulations to ensure their safety and the safety of others on the road. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
One important limitation is that drivers with this endorsement are only allowed to operate vehicles with double or triple trailers that meet certain length and weight requirements. The maximum length for a vehicle with double trailers is 28 feet for each trailer, and the maximum weight is 80,000 pounds. For vehicles with triple trailers, the maximum length is 28 feet for each trailer and the maximum weight is 80,000 pounds.
Drivers with a CDL Doubles/Triples endorsement are also required to have additional safety equipment on their vehicle, such as extended mirrors and underride guards. They must also follow specific rules when changing lanes or turning.
It's important for drivers with this endorsement to be aware of these restrictions and limitations and to follow all applicable regulations to ensure their safety and the safety of others on the road. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
In New Hampshire, drivers with a CDL Doubles/Triples endorsement are subject to certain weight and length restrictions when operating vehicles with double or triple trailers.
For double trailers, the maximum length of each trailer is 28 feet and the maximum weight is 80,000 pounds. The combined length of the tractor and both trailers cannot exceed 75 feet.
For triple trailers, the maximum length of each trailer is 28 feet and the maximum weight is also 80,000 pounds. The combined length of the tractor and all three trailers cannot exceed 99 feet.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these limits and to follow all applicable regulations to ensure their safety and the safety of others on the road. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
For double trailers, the maximum length of each trailer is 28 feet and the maximum weight is 80,000 pounds. The combined length of the tractor and both trailers cannot exceed 75 feet.
For triple trailers, the maximum length of each trailer is 28 feet and the maximum weight is also 80,000 pounds. The combined length of the tractor and all three trailers cannot exceed 99 feet.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these limits and to follow all applicable regulations to ensure their safety and the safety of others on the road. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
Yes, there are specific safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement must follow when driving double or triple trailers in New Hampshire. These regulations are designed to ensure the safety of the driver, passengers, and other motorists on the road.
One important safety consideration is the increased length and weight of the vehicle, which can make it more difficult to maneuver and stop. As such, drivers with this endorsement must follow specific rules for changing lanes and turning. For example, they should always use their turn signals well in advance and allow for extra room when turning.
Drivers with a CDL Doubles/Triples endorsement are also required to have additional safety equipment on their vehicle, such as extended mirrors, underride guards, and reflective tape. They must also undergo additional training to ensure they are aware of all safety considerations and regulations when operating a double or triple trailer.
In addition to these specific requirements, drivers with a CDL Doubles/Triples endorsement are subject to all other traffic laws and regulations. They must obey all speed limits, stop signs, and traffic signals. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
One important safety consideration is the increased length and weight of the vehicle, which can make it more difficult to maneuver and stop. As such, drivers with this endorsement must follow specific rules for changing lanes and turning. For example, they should always use their turn signals well in advance and allow for extra room when turning.
Drivers with a CDL Doubles/Triples endorsement are also required to have additional safety equipment on their vehicle, such as extended mirrors, underride guards, and reflective tape. They must also undergo additional training to ensure they are aware of all safety considerations and regulations when operating a double or triple trailer.
In addition to these specific requirements, drivers with a CDL Doubles/Triples endorsement are subject to all other traffic laws and regulations. They must obey all speed limits, stop signs, and traffic signals. Violating these regulations can result in fines, penalties, and even the loss of your CDL license.
