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.
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 get a CDL, you need to be at least 18 years old and have a valid Hawaii driver's license. You must also pass a vision test, a written knowledge test, and a skills test.
2. Study for the Doubles/Triples endorsement test: You can study for the endorsement test by reading the Hawaii CDL Manual and taking practice tests online.
3. Schedule an appointment with a CDL testing facility: You can schedule an appointment with any of the approved CDL testing facilities in Hawaii. Make sure to bring your current CDL and any other required documents.
4. Pass the Doubles/Triples endorsement test: The endorsement test consists of 20 multiple-choice questions, and you must score at least 80% to pass.
5. Pay the required fees: The fee for adding the Doubles/Triples endorsement to your CDL is $30.
6. Receive your new CDL with Doubles/Triples endorsement: Once you have passed the endorsement test and paid the fee, you will receive a new CDL with the Doubles/Triples endorsement.
Note: You must hold a valid Hawaii CDL before you can add any endorsements to it.
1. Obtain a Hawaii Commercial Driver's License (CDL): To get a CDL, you need to be at least 18 years old and have a valid Hawaii driver's license. You must also pass a vision test, a written knowledge test, and a skills test.
2. Study for the Doubles/Triples endorsement test: You can study for the endorsement test by reading the Hawaii CDL Manual and taking practice tests online.
3. Schedule an appointment with a CDL testing facility: You can schedule an appointment with any of the approved CDL testing facilities in Hawaii. Make sure to bring your current CDL and any other required documents.
4. Pass the Doubles/Triples endorsement test: The endorsement test consists of 20 multiple-choice questions, and you must score at least 80% to pass.
5. Pay the required fees: The fee for adding the Doubles/Triples endorsement to your CDL is $30.
6. Receive your new CDL with Doubles/Triples endorsement: Once you have passed the endorsement test and paid the fee, you will receive a new CDL with the Doubles/Triples endorsement.
Note: You must hold a valid Hawaii CDL before you can add any endorsements to it.
To get a CDL Doubles/Triples license in Hawaii, you must meet the following requirements:
1. Age: You must be at least 21 years old to operate a commercial motor vehicle (CMV) across state lines or transport hazardous materials.
2. CDL: You must have a valid Hawaii commercial driver's license (CDL) before applying for a Doubles/Triples endorsement.
3. Experience: You must have at least one year of driving experience with a CDL in the class of vehicle you will be operating with the Doubles/Triples endorsement.
4. Medical Requirements: You must meet the medical requirements for commercial drivers as outlined by the Federal Motor Carrier Safety Administration (FMCSA).
5. Written Test: You must pass a written test on doubles/triples vehicles that covers topics such as coupling and uncoupling, inspecting doubles/triples, and checking air brakes.
6. Skills Test: You must pass a skills test that evaluates your ability to safely operate a doubles/triples vehicle. The test will include a pre-trip inspection, basic control skills such as backing up and turning, and an on-road driving test.
7. Endorsement Fee: You must pay a fee of $30 to add the Doubles/Triples endorsement to your CDL.
Note: If you are transporting hazardous materials with your doubles/triples vehicle, you will need to obtain a Hazardous Materials (Hazmat) endorsement in addition to your Doubles/Triples endorsement.
1. Age: You must be at least 21 years old to operate a commercial motor vehicle (CMV) across state lines or transport hazardous materials.
2. CDL: You must have a valid Hawaii commercial driver's license (CDL) before applying for a Doubles/Triples endorsement.
3. Experience: You must have at least one year of driving experience with a CDL in the class of vehicle you will be operating with the Doubles/Triples endorsement.
4. Medical Requirements: You must meet the medical requirements for commercial drivers as outlined by the Federal Motor Carrier Safety Administration (FMCSA).
5. Written Test: You must pass a written test on doubles/triples vehicles that covers topics such as coupling and uncoupling, inspecting doubles/triples, and checking air brakes.
6. Skills Test: You must pass a skills test that evaluates your ability to safely operate a doubles/triples vehicle. The test will include a pre-trip inspection, basic control skills such as backing up and turning, and an on-road driving test.
7. Endorsement Fee: You must pay a fee of $30 to add the Doubles/Triples endorsement to your CDL.
Note: If you are transporting hazardous materials with your doubles/triples vehicle, you will need to obtain a Hazardous Materials (Hazmat) endorsement in addition to your Doubles/Triples endorsement.
Yes, you need specific experience and training to obtain a CDL Doubles/Triples endorsement in Hawaii. The Federal Motor Carrier Safety Administration (FMCSA) requires that you have at least one year of driving experience with a CDL in the class of vehicle you will be operating with the Doubles/Triples endorsement.
Additionally, you should have training on the safe operation of doubles/triples vehicles. This training should cover the following topics:
1. Coupling and uncoupling procedures
2. Inspecting doubles/triples vehicles
3. Checking air brakes
4. Maneuvering doubles/triples vehicles in traffic
5. Safe driving techniques specific to doubles/triples vehicles
The training can be obtained through a certified commercial driving school or through an employer's training program.
It's also important to note that if you will be transporting hazardous materials with your doubles/triples vehicle, you will need additional training and certification to obtain a Hazmat endorsement on your CDL.
Additionally, you should have training on the safe operation of doubles/triples vehicles. This training should cover the following topics:
1. Coupling and uncoupling procedures
2. Inspecting doubles/triples vehicles
3. Checking air brakes
4. Maneuvering doubles/triples vehicles in traffic
5. Safe driving techniques specific to doubles/triples vehicles
The training can be obtained through a certified commercial driving school or through an employer's training program.
It's also important to note that if you will be transporting hazardous materials with your doubles/triples vehicle, you will need additional training and certification to obtain a Hazmat endorsement on your CDL.
Yes, there is an additional written test that you must pass to obtain a CDL Doubles/Triples endorsement in Hawaii. The test covers topics specific to the safe operation of doubles/triples vehicles, such as:
1. Coupling and uncoupling procedures
2. Inspecting doubles/triples vehicles
3. Checking air brakes
4. Maneuvering doubles/triples vehicles in traffic
5. Safe driving techniques specific to doubles/triples vehicles
You must pass this written test before you can take the skills test for the Doubles/Triples endorsement.
It's also important to note that if you will be transporting hazardous materials with your doubles/triples vehicle, you will need to pass an additional written exam for the Hazmat endorsement on your CDL. This exam covers topics related to the safe transportation of hazardous materials, such as handling and identifying hazardous materials, emergency response procedures, and security requirements.
1. Coupling and uncoupling procedures
2. Inspecting doubles/triples vehicles
3. Checking air brakes
4. Maneuvering doubles/triples vehicles in traffic
5. Safe driving techniques specific to doubles/triples vehicles
You must pass this written test before you can take the skills test for the Doubles/Triples endorsement.
It's also important to note that if you will be transporting hazardous materials with your doubles/triples vehicle, you will need to pass an additional written exam for the Hazmat endorsement on your CDL. This exam covers topics related to the safe transportation of hazardous materials, such as handling and identifying hazardous materials, emergency response procedures, and security requirements.
To obtain a CDL Doubles/Triples endorsement in Hawaii, you must pass a skills test that demonstrates your ability to safely operate a doubles/triples vehicle. The skills test consists of three parts:
1. Vehicle inspection: You will be asked to inspect your doubles/triples vehicle and identify any potential safety hazards or mechanical issues.
2. Basic control skills: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking.
3. Road test: You will be asked to demonstrate your ability to safely operate the vehicle in traffic, including merging onto highways, changing lanes, and making turns.
During the skills test for the Doubles/Triples endorsement, you may be asked to demonstrate specific maneuvers such as:
1. Coupling and uncoupling of the trailer(s)
2. Backing up the vehicle
3. Making turns and lane changes with the longer vehicle combination
4. Performing a pre-trip inspection of the entire vehicle combination
It's important to note that during the skills test, you will be graded on your ability to safely control the vehicle and follow all traffic laws and regulations.
1. Vehicle inspection: You will be asked to inspect your doubles/triples vehicle and identify any potential safety hazards or mechanical issues.
2. Basic control skills: You will be asked to demonstrate your ability to control the vehicle in various situations, such as backing up, turning, and parking.
3. Road test: You will be asked to demonstrate your ability to safely operate the vehicle in traffic, including merging onto highways, changing lanes, and making turns.
During the skills test for the Doubles/Triples endorsement, you may be asked to demonstrate specific maneuvers such as:
1. Coupling and uncoupling of the trailer(s)
2. Backing up the vehicle
3. Making turns and lane changes with the longer vehicle combination
4. Performing a pre-trip inspection of the entire vehicle combination
It's important to note that during the skills test, you will be graded on your ability to safely control the vehicle and follow all traffic laws and regulations.
No, you cannot operate double/triple trailers without a CDL Doubles/Triples endorsement in Hawaii. Operating a doubles/triples vehicle without the proper endorsement is a violation of federal and state law, and can result in fines, suspension or revocation of your CDL, and even criminal charges in some cases.
To operate a doubles/triples vehicle legally in Hawaii, you must have a valid CDL with the Doubles/Triples endorsement. This endorsement requires passing an additional written test and a skills test that demonstrates your ability to safely operate a doubles/triples vehicle.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary depending on the state where you obtained your CDL. Be sure to check with your local DMV or licensing agency for specific requirements in your state.
To operate a doubles/triples vehicle legally in Hawaii, you must have a valid CDL with the Doubles/Triples endorsement. This endorsement requires passing an additional written test and a skills test that demonstrates your ability to safely operate a doubles/triples vehicle.
It's important to note that the requirements for obtaining a CDL Doubles/Triples endorsement may vary depending on the state where you obtained your CDL. Be sure to check with your local DMV or licensing agency for specific requirements in your state.
You can add the CDL Doubles/Triples endorsement to your existing CDL license in Hawaii. To add the endorsement, you will need to:
1. Pass the Doubles/Triples endorsement written test: You will need to pass a written test that covers the knowledge and skills required to safely operate a doubles/triples vehicle.
2. Pass the Doubles/Triples endorsement skills test: You will also need to pass a skills test that demonstrates your ability to operate a doubles/triples vehicle safely.
Once you have passed both tests, you can apply for the endorsement at your local DMV or licensing agency. Your CDL license will be updated to include the Doubles/Triples endorsement.
It's important to note that adding an endorsement may require additional fees, and some employers may require you to have the endorsement before hiring you for certain positions. Be sure to check with your employer and local licensing agency for specific requirements and fees.
1. Pass the Doubles/Triples endorsement written test: You will need to pass a written test that covers the knowledge and skills required to safely operate a doubles/triples vehicle.
2. Pass the Doubles/Triples endorsement skills test: You will also need to pass a skills test that demonstrates your ability to operate a doubles/triples vehicle safely.
Once you have passed both tests, you can apply for the endorsement at your local DMV or licensing agency. Your CDL license will be updated to include the Doubles/Triples endorsement.
It's important to note that adding an endorsement may require additional fees, and some employers may require you to have the endorsement before hiring you for certain positions. Be sure to check with your employer and local licensing agency for specific requirements and fees.
Yes, drivers with a CDL Doubles/Triples endorsement in Hawaii are subject to certain restrictions and limitations. Some of these restrictions include:
1. Vehicle weight and length limits: Doubles/triples vehicles are subject to weight and length limits, which may vary depending on the state and the type of vehicle. In Hawaii, the maximum length of a combination of vehicles including a semi-trailer shall be 53 feet.
2. Speed limits: Drivers of doubles/triples vehicles are often subject to lower speed limits than other commercial vehicles. In Hawaii, the maximum speed limit for commercial motor vehicles is 60 miles per hour on highways and 55 miles per hour on other roads.
3. Required endorsements: Some types of cargo may require additional endorsements beyond the Doubles/Triples endorsement, such as hazardous materials or tankers.
4. Required safety equipment: Doubles/triples vehicles may require additional safety equipment, such as additional mirrors or warning devices.
5. Special driving techniques: Operating a doubles/triples vehicle requires special driving techniques, such as allowing for greater stopping distances and making wider turns.
It's important to be aware of these restrictions and limitations if you hold a CDL Doubles/Triples endorsement in Hawaii to ensure that you are operating your vehicle safely and legally.
1. Vehicle weight and length limits: Doubles/triples vehicles are subject to weight and length limits, which may vary depending on the state and the type of vehicle. In Hawaii, the maximum length of a combination of vehicles including a semi-trailer shall be 53 feet.
2. Speed limits: Drivers of doubles/triples vehicles are often subject to lower speed limits than other commercial vehicles. In Hawaii, the maximum speed limit for commercial motor vehicles is 60 miles per hour on highways and 55 miles per hour on other roads.
3. Required endorsements: Some types of cargo may require additional endorsements beyond the Doubles/Triples endorsement, such as hazardous materials or tankers.
4. Required safety equipment: Doubles/triples vehicles may require additional safety equipment, such as additional mirrors or warning devices.
5. Special driving techniques: Operating a doubles/triples vehicle requires special driving techniques, such as allowing for greater stopping distances and making wider turns.
It's important to be aware of these restrictions and limitations if you hold a CDL Doubles/Triples endorsement in Hawaii to ensure that you are operating your vehicle safely and legally.
In Hawaii, the maximum weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement are as follows:
1. Maximum weight: The maximum gross vehicle weight rating (GVWR) for a combination of two or three vehicles is 80,000 pounds. However, if the second or third vehicle in the combination has a GVWR of less than 10,000 pounds, it is not included in the weight calculation.
2. Maximum length: The maximum length for a combination of two vehicles is 65 feet, and the maximum length for a combination of three vehicles is 75 feet.
It's important to note that these weight and length limits may vary depending on the state and the type of vehicle. In addition, drivers with a CDL Doubles/Triples endorsement may also be subject to other restrictions and limitations related to operating double/triple trailers, such as lower speed limits and additional safety requirements. Be sure to check with your local DMV or licensing agency for specific regulations and requirements before operating a double/triple trailer.
1. Maximum weight: The maximum gross vehicle weight rating (GVWR) for a combination of two or three vehicles is 80,000 pounds. However, if the second or third vehicle in the combination has a GVWR of less than 10,000 pounds, it is not included in the weight calculation.
2. Maximum length: The maximum length for a combination of two vehicles is 65 feet, and the maximum length for a combination of three vehicles is 75 feet.
It's important to note that these weight and length limits may vary depending on the state and the type of vehicle. In addition, drivers with a CDL Doubles/Triples endorsement may also be subject to other restrictions and limitations related to operating double/triple trailers, such as lower speed limits and additional safety requirements. Be sure to check with your local DMV or licensing agency for specific regulations and requirements before operating a double/triple trailer.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement. Some of these include:
1. Vehicle maintenance: Drivers should ensure that all vehicles in the combination are properly maintained and inspected, especially the coupling and braking systems.
2. Coupling and uncoupling: Drivers should be properly trained in the safe coupling and uncoupling of the vehicles, as well as the use of safety devices such as wheel chocks.
3. Weight distribution: Proper weight distribution is critical for safe operation of double/triple trailers. Drivers should ensure that the weight is distributed evenly across all axles, and that the load is secured properly.
4. Turning and backing: Double/triple trailers require wider turns and more space to maneuver, so drivers should exercise caution when turning or backing up.
5. Speed management: Due to the increased weight and length of double/triple trailers, drivers should be aware of their reduced stopping distance and adjust their speed accordingly.
6. Additional safety equipment: Double/triple trailers may require additional safety equipment such as extra mirrors or warning devices.
7. Weather conditions: Drivers should be aware of how weather conditions can affect the handling of double/triple trailers, especially in high winds or slippery conditions.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these safety considerations and regulations, as well as any additional state-specific requirements. Proper training, maintenance, and safe driving practices are critical for ensuring the safe operation of double/triple trailers on the road.
1. Vehicle maintenance: Drivers should ensure that all vehicles in the combination are properly maintained and inspected, especially the coupling and braking systems.
2. Coupling and uncoupling: Drivers should be properly trained in the safe coupling and uncoupling of the vehicles, as well as the use of safety devices such as wheel chocks.
3. Weight distribution: Proper weight distribution is critical for safe operation of double/triple trailers. Drivers should ensure that the weight is distributed evenly across all axles, and that the load is secured properly.
4. Turning and backing: Double/triple trailers require wider turns and more space to maneuver, so drivers should exercise caution when turning or backing up.
5. Speed management: Due to the increased weight and length of double/triple trailers, drivers should be aware of their reduced stopping distance and adjust their speed accordingly.
6. Additional safety equipment: Double/triple trailers may require additional safety equipment such as extra mirrors or warning devices.
7. Weather conditions: Drivers should be aware of how weather conditions can affect the handling of double/triple trailers, especially in high winds or slippery conditions.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these safety considerations and regulations, as well as any additional state-specific requirements. Proper training, maintenance, and safe driving practices are critical for ensuring the safe operation of double/triple trailers on the road.
