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 three possible answer choices. Test questions come from the Hawaii Commercial Driver License Manual. 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. When braking with ABS, you should:
Explanation
When operating a vehicle with an Anti-Lock Braking System (ABS), you should apply your brakes in the same manner as you would if operating a vehicle without ABS.
2. Keeping cargo centered on a rig can:
Explanation
A rollover is more likely if cargo is unevenly loaded in a rig. To help prevent a dangerous rollover, it is important to keep a load as centered on the rig as possible.
3. When backing with a trailer, turning toward the driver’s side is encouraged because:
Explanation
When driving in reverse, it is always recommended that a driver backs their vehicle toward its left side. This will allow the driver the best possible view of the rear of their vehicle.
4. When traveling down a steep downgrade:
Explanation
On long and/or steep downgrades, you should primarily use engine braking to control the speed of your vehicle. Use your brakes only as a supplement to this effect.
5. Anti-Lock Braking Systems (ABS):
Explanation
If equipped, ABS is in addition to a vehicle's normal braking system and does not increase or decrease the braking power of any other system. ABS only activates when a vehicle's wheels are about to lock.
6. What is removed when an air tank is drained?
Explanation
In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes.
7. If you remain in neutral for too long while switching gears:
Explanation
If you remain in neutral for too long while switching gears, you may have difficulty putting the vehicle into the next gear. If this happens, do not try to force the gear shift. Instead, return to neutral, release the clutch, increase the engine speed to match the road speed, and try again.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Hawaii, you need to follow these steps:
1. Obtain a Hawaii Commercial Driver's License (CDL): To obtain a CDL, you must be at least 18 years old and hold a valid Hawaii driver's license. You must also pass a vision test, a knowledge test, and a skills test.
2. Study the Hawaii CDL driver's manual: The manual covers all the information you need to know to pass the knowledge test for the Doubles/Triples endorsement.
3. Schedule and pass the Doubles/Triples endorsement knowledge test: The knowledge test consists of 20 multiple-choice questions related to the safe operation of double and triple trailers.
4. Schedule and pass the Doubles/Triples endorsement skills test: The skills test will measure your ability to safely operate double and triple trailers. You must provide your own vehicle for this test.
5. Pay the required fees: The fee for adding a Doubles/Triples endorsement to your CDL is $10.
Once you have completed all of these steps successfully, you will be issued a CDL with the Doubles/Triples endorsement in Hawaii.
1. Obtain a Hawaii Commercial Driver's License (CDL): To obtain a CDL, you must be at least 18 years old and hold a valid Hawaii driver's license. You must also pass a vision test, a knowledge test, and a skills test.
2. Study the Hawaii CDL driver's manual: The manual covers all the information you need to know to pass the knowledge test for the Doubles/Triples endorsement.
3. Schedule and pass the Doubles/Triples endorsement knowledge test: The knowledge test consists of 20 multiple-choice questions related to the safe operation of double and triple trailers.
4. Schedule and pass the Doubles/Triples endorsement skills test: The skills test will measure your ability to safely operate double and triple trailers. You must provide your own vehicle for this test.
5. Pay the required fees: The fee for adding a Doubles/Triples endorsement to your CDL is $10.
Once you have completed all of these steps successfully, you will be issued a CDL with the Doubles/Triples endorsement in Hawaii.
To get a CDL Doubles/Triples license in Hawaii, you must meet the following requirements:
1. Be at least 21 years old: You must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.
2. Hold a valid Hawaii CDL: You must hold a valid Hawaii Commercial Driver's License (CDL) or apply for one.
3. Have a clean driving record: You must have a clean driving record with no serious traffic violations or suspensions.
4. Pass the Doubles/Triples endorsement knowledge test: You must pass the knowledge test for the Doubles/Triples endorsement. The test covers topics such as coupling and uncoupling, inspecting double/triple trailers, and safe driving practices.
5. Pass the Doubles/Triples endorsement skills test: You must pass the skills test for the Doubles/Triples endorsement. The skills test measures your ability to safely operate double and triple trailers.
6. Provide proof of medical certification: You must provide proof of medical certification that meets Federal Motor Carrier Safety Administration (FMCSA) standards.
7. Pay the required fees: The fee for adding a Doubles/Triples endorsement to your CDL is $10.
Meeting these requirements will allow you to obtain a CDL with the Doubles/Triples endorsement in Hawaii.
1. Be at least 21 years old: You must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials.
2. Hold a valid Hawaii CDL: You must hold a valid Hawaii Commercial Driver's License (CDL) or apply for one.
3. Have a clean driving record: You must have a clean driving record with no serious traffic violations or suspensions.
4. Pass the Doubles/Triples endorsement knowledge test: You must pass the knowledge test for the Doubles/Triples endorsement. The test covers topics such as coupling and uncoupling, inspecting double/triple trailers, and safe driving practices.
5. Pass the Doubles/Triples endorsement skills test: You must pass the skills test for the Doubles/Triples endorsement. The skills test measures your ability to safely operate double and triple trailers.
6. Provide proof of medical certification: You must provide proof of medical certification that meets Federal Motor Carrier Safety Administration (FMCSA) standards.
7. Pay the required fees: The fee for adding a Doubles/Triples endorsement to your CDL is $10.
Meeting these requirements will allow you to obtain a CDL with the Doubles/Triples endorsement in Hawaii.
Yes, you may need specific experience or training to obtain a CDL Doubles/Triples endorsement in Hawaii.
The Hawaii Department of Transportation requires that you have at least one year of experience driving a commercial motor vehicle (CMV) before you can apply for a Doubles/Triples endorsement. This experience must be gained while holding a valid CDL of the same class or higher than the vehicle you intend to drive with the Doubles/Triples endorsement.
You may also consider completing a specialized training program that focuses on the operation of double and triple trailers. These programs are offered by commercial truck driving schools or other training providers and can help you gain the necessary knowledge and skills to pass the Doubles/Triples endorsement tests.
Additionally, some employers may require additional training or experience beyond the Hawaii state requirements. It is always a good idea to check with your employer or prospective employer for their specific requirements.
The Hawaii Department of Transportation requires that you have at least one year of experience driving a commercial motor vehicle (CMV) before you can apply for a Doubles/Triples endorsement. This experience must be gained while holding a valid CDL of the same class or higher than the vehicle you intend to drive with the Doubles/Triples endorsement.
You may also consider completing a specialized training program that focuses on the operation of double and triple trailers. These programs are offered by commercial truck driving schools or other training providers and can help you gain the necessary knowledge and skills to pass the Doubles/Triples endorsement tests.
Additionally, some employers may require additional training or experience beyond the Hawaii state requirements. It is always a good idea to check with your employer or prospective employer for their specific requirements.
Yes, you must pass an additional written test to obtain a CDL Doubles/Triples endorsement in Hawaii. The written test for the Doubles/Triples endorsement covers topics such as:
1. Inspection of double/triple trailers
2. Coupling and uncoupling procedures
3. Safe driving practices when operating double/triple trailers
4. Weight distribution and stability
5. Height and length restrictions
6. Combination vehicle air brake systems
The endorsement test consists of 20 multiple-choice questions, and you must answer at least 16 questions correctly to pass.
In addition to the written test, you will also need to pass a skills test that includes a pre-trip inspection and on-road driving test with a double/triple trailer. During the skills test, you will be evaluated on your ability to safely operate the vehicle, including coupling and uncoupling procedures, backing up, making turns, and more.
It's important to note that there may be additional requirements or restrictions for operating double/triple trailers based on the weight of the vehicle and cargo being transported. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
1. Inspection of double/triple trailers
2. Coupling and uncoupling procedures
3. Safe driving practices when operating double/triple trailers
4. Weight distribution and stability
5. Height and length restrictions
6. Combination vehicle air brake systems
The endorsement test consists of 20 multiple-choice questions, and you must answer at least 16 questions correctly to pass.
In addition to the written test, you will also need to pass a skills test that includes a pre-trip inspection and on-road driving test with a double/triple trailer. During the skills test, you will be evaluated on your ability to safely operate the vehicle, including coupling and uncoupling procedures, backing up, making turns, and more.
It's important to note that there may be additional requirements or restrictions for operating double/triple trailers based on the weight of the vehicle and cargo being transported. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
To obtain a CDL Doubles/Triples endorsement in Hawaii, you must pass a skills test that includes a pre-trip inspection and an on-road driving test with a double/triple trailer. During the on-road driving test, you will need to demonstrate specific skills and maneuvers, including:
1. Coupling and uncoupling the double/triple trailer: You will need to show that you can properly connect and disconnect the trailer from the tractor unit.
2. Driving straight ahead: You must be able to safely drive straight ahead with the double/triple trailer.
3. Turning: You will need to demonstrate your ability to safely make left and right turns with the double/triple trailer.
4. Lane changes: You must be able to safely change lanes with the double/triple trailer.
5. Backing up: You will need to show that you can safely back up the double/triple trailer into a designated area.
6. Coupling and uncoupling airbrakes: You will need to demonstrate your understanding of coupling and uncoupling airbrakes for the double/triple trailer.
7. Emergency stopping: You must be able to safely bring the vehicle to a stop in an emergency situation.
During the skills test, you will be evaluated on your ability to perform each of these maneuvers safely and effectively. It is important to practice these skills beforehand and ensure that you are comfortable operating a double/triple trailer before taking the test.
1. Coupling and uncoupling the double/triple trailer: You will need to show that you can properly connect and disconnect the trailer from the tractor unit.
2. Driving straight ahead: You must be able to safely drive straight ahead with the double/triple trailer.
3. Turning: You will need to demonstrate your ability to safely make left and right turns with the double/triple trailer.
4. Lane changes: You must be able to safely change lanes with the double/triple trailer.
5. Backing up: You will need to show that you can safely back up the double/triple trailer into a designated area.
6. Coupling and uncoupling airbrakes: You will need to demonstrate your understanding of coupling and uncoupling airbrakes for the double/triple trailer.
7. Emergency stopping: You must be able to safely bring the vehicle to a stop in an emergency situation.
During the skills test, you will be evaluated on your ability to perform each of these maneuvers safely and effectively. It is important to practice these skills beforehand and ensure that you are comfortable operating a double/triple trailer before taking the test.
No, you cannot operate double/triple trailers without a CDL Doubles/Triples endorsement in Hawaii. If you are caught operating a commercial vehicle with a double/triple trailer without the proper endorsement, you may face fines, penalties, or other consequences.
To legally operate a commercial vehicle with a double/triple trailer, you must hold a valid commercial driver's license (CDL) with the Doubles/Triples endorsement. This means that you must pass both a written test and a skills test that specifically covers the operation of double/triple trailers.
It's important to note that there may be additional requirements or restrictions for operating double/triple trailers based on the weight of the vehicle and cargo being transported. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
To legally operate a commercial vehicle with a double/triple trailer, you must hold a valid commercial driver's license (CDL) with the Doubles/Triples endorsement. This means that you must pass both a written test and a skills test that specifically covers the operation of double/triple trailers.
It's important to note that there may be additional requirements or restrictions for operating double/triple trailers based on the weight of the vehicle and cargo being transported. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
Yes, you can add the CDL Doubles/Triples endorsement to your existing CDL license in Hawaii. To do so, you will need to pass a written test and a skills test specifically for the Doubles/Triples endorsement.
You can apply for the endorsement at any Hawaii DMV office. You will need to bring your current CDL license, proof of identity, and payment for the endorsement fee. After passing the written test, you will be issued a permit that allows you to practice driving a vehicle with a double/triple trailer under the supervision of a licensed CDL holder.
Once you have completed the necessary practice and are confident in your ability to operate a commercial vehicle with a double/triple trailer, you can schedule and take the skills test. If you pass the skills test, the DMV will add the Doubles/Triples endorsement to your existing CDL license.
It's important to note that adding an endorsement may come with additional fees and requirements. You should contact your local Hawaii DMV office or consult the state's CDL handbook for more information on adding endorsements to your CDL license.
You can apply for the endorsement at any Hawaii DMV office. You will need to bring your current CDL license, proof of identity, and payment for the endorsement fee. After passing the written test, you will be issued a permit that allows you to practice driving a vehicle with a double/triple trailer under the supervision of a licensed CDL holder.
Once you have completed the necessary practice and are confident in your ability to operate a commercial vehicle with a double/triple trailer, you can schedule and take the skills test. If you pass the skills test, the DMV will add the Doubles/Triples endorsement to your existing CDL license.
It's important to note that adding an endorsement may come with additional fees and requirements. You should contact your local Hawaii DMV office or consult the state's CDL handbook for more information on adding endorsements to your CDL license.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Hawaii. These restrictions and limitations are in place to ensure the safety of the driver, other motorists, and the general public.
The following are some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Hawaii:
1. Weight Limitations: Drivers with a CDL Doubles/Triples endorsement are generally restricted to a maximum gross vehicle weight of 80,000 pounds.
2. Length Limitations: Double trailers cannot exceed a combined length of 28 feet per trailer. Triple trailers cannot exceed a combined length of 48 feet per trailer.
3. Special Driving Skills: Operating a commercial vehicle with a double/triple trailer requires special driving skills, such as turning, backing up, and changing lanes. Drivers must be able to demonstrate these skills during their skills test.
4. Endorsement Renewal: The CDL Doubles/Triples endorsement must be renewed every 4 years along with the renewal of the CDL license.
5. Additional Training: Drivers may be required to undergo additional training before being allowed to operate a commercial vehicle with a double/triple trailer.
It's important to note that these restrictions and limitations may vary depending on the state or jurisdiction. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
The following are some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Hawaii:
1. Weight Limitations: Drivers with a CDL Doubles/Triples endorsement are generally restricted to a maximum gross vehicle weight of 80,000 pounds.
2. Length Limitations: Double trailers cannot exceed a combined length of 28 feet per trailer. Triple trailers cannot exceed a combined length of 48 feet per trailer.
3. Special Driving Skills: Operating a commercial vehicle with a double/triple trailer requires special driving skills, such as turning, backing up, and changing lanes. Drivers must be able to demonstrate these skills during their skills test.
4. Endorsement Renewal: The CDL Doubles/Triples endorsement must be renewed every 4 years along with the renewal of the CDL license.
5. Additional Training: Drivers may be required to undergo additional training before being allowed to operate a commercial vehicle with a double/triple trailer.
It's important to note that these restrictions and limitations may vary depending on the state or jurisdiction. You should always make sure to follow all applicable laws and regulations when operating a commercial vehicle with a Doubles/Triples endorsement.
In Hawaii, the maximum weight limit for double/triple trailers with a CDL Doubles/Triples endorsement is 80,000 pounds. However, there are also weight limitations for each individual axle and axle group.
The maximum length limit for double trailers in Hawaii is 28 feet per trailer, and the maximum length limit for triple trailers is 48 feet per trailer. It's important to note that the length limit includes the length of both the truck and the trailer(s) combined.
It's important to follow all weight and length restrictions when operating a commercial vehicle with a CDL Doubles/Triples endorsement. Exceeding weight and length limits can result in fines, penalties, and even safety hazards on the road.
The maximum length limit for double trailers in Hawaii is 28 feet per trailer, and the maximum length limit for triple trailers is 48 feet per trailer. It's important to note that the length limit includes the length of both the truck and the trailer(s) combined.
It's important to follow all weight and length restrictions when operating a commercial vehicle with a CDL Doubles/Triples endorsement. Exceeding weight and length limits can result in fines, penalties, and even safety hazards on the road.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement in Hawaii. These regulations are in place to ensure the safety of the driver, other motorists, and the general public. Below are some of the safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement:
1. Special Driving Skills: Operating a commercial vehicle with a double/triple trailer requires special driving skills, such as turning, backing up, and changing lanes. Drivers must be able to demonstrate these skills during their skills test.
2. Weight Distribution: Proper weight distribution is crucial for safe operation of double/triple trailers. Drivers must ensure that the weight is evenly distributed between the axles and axle groups.
3. Coupling and Uncoupling: Coupling and uncoupling of double/triple trailers should be done with extreme care to ensure that the trailers are securely attached or detached from the truck.
4. Braking System: The braking system on double/triple trailers should be fully functional and in good condition to ensure safe stopping distances.
5. Inspections: Drivers should conduct pre-trip and post-trip inspections of the vehicle to ensure that all parts are in good working condition.
6. Speed Limitations: Double/triple trailers should not exceed posted speed limits, especially during turns or when driving on uneven terrain.
7. Additional Training: Drivers may be required to undergo additional training before being allowed to operate a commercial vehicle with a double/triple trailer.
It's important to follow all safety considerations and regulations when operating a commercial vehicle with a CDL Doubles/Triples endorsement. Failure to do so can result in fines, penalties, and even safety hazards on the road.
1. Special Driving Skills: Operating a commercial vehicle with a double/triple trailer requires special driving skills, such as turning, backing up, and changing lanes. Drivers must be able to demonstrate these skills during their skills test.
2. Weight Distribution: Proper weight distribution is crucial for safe operation of double/triple trailers. Drivers must ensure that the weight is evenly distributed between the axles and axle groups.
3. Coupling and Uncoupling: Coupling and uncoupling of double/triple trailers should be done with extreme care to ensure that the trailers are securely attached or detached from the truck.
4. Braking System: The braking system on double/triple trailers should be fully functional and in good condition to ensure safe stopping distances.
5. Inspections: Drivers should conduct pre-trip and post-trip inspections of the vehicle to ensure that all parts are in good working condition.
6. Speed Limitations: Double/triple trailers should not exceed posted speed limits, especially during turns or when driving on uneven terrain.
7. Additional Training: Drivers may be required to undergo additional training before being allowed to operate a commercial vehicle with a double/triple trailer.
It's important to follow all safety considerations and regulations when operating a commercial vehicle with a CDL Doubles/Triples endorsement. Failure to do so can result in fines, penalties, and even safety hazards on the road.
