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 two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. 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
15. When the wheels of a trailer lock up:
Explanation
A trailer may swing out and strike other vehicles if its wheels lock up. This is especially likely with lightly-loaded trailers.
16. When braking while pulling a trailer equipped with anti-lock brakes, you should:
Explanation
When driving a tractor-trailer combination that is equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would if the vehicle was not equipped with ABS.
17. After a vehicle is started, warning lights and buzzers:
Explanation
After starting the engine, warning lights and buzzers should go out right away. If a light stays on, it usually indicates an issue with the vehicle.
18. The air compressor is connected to the:
Explanation
The air compressor of an air brake system is connected to the engine through gears or a v-belt. The compressor may be air-cooled or cooled by the engine cooling system.
19. When entering or crossing traffic while driving a combination vehicle, it is especially important that you:
Explanation
Combination vehicles require more space on the road than other vehicles. When entering or crossing traffic while driving a combination vehicle, it is especially important that there is a large enough gap in traffic for you to safely do so.
20. Mirror adjustment can only be checked properly if:
Explanation
On a vehicle with one or more trailers, mirror adjustment can only be checked accurately if the trailers are straight. Mirror adjustment should be checked before the start of every trip.
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Frequently Asked Questions
Here are the steps to obtain a CDL Doubles/Triples endorsement in Utah:
1. Meet the eligibility requirements: You must possess a valid Utah CDL (Class A or B) and must be at least 21 years old.
2. Study the Utah CDL Driver Handbook: The handbook has all the information you need to pass the written test, which consists of 20 multiple-choice questions.
3. Schedule an appointment with a CDL testing location: You can schedule an appointment by visiting the Utah DMV website or by calling their customer service line at 801-965-4437.
4. Take and pass the written test: The test is based on the information in the Utah CDL Driver Handbook and you must score at least 80% to pass.
5. Pay the endorsement fee: The fee for a Doubles/Triples endorsement is $25.
6. Schedule a skills test: Once you have passed the written test and paid the fee, you can schedule a skills test at a CDL testing location.
7. Pass the skills test: The skills test consists of three parts - pre-trip vehicle inspection, basic vehicle control, and on-road driving. You must pass all three parts of the test to obtain your Doubles/Triples endorsement.
8. Receive your CDL Doubles/Triples endorsement: Once you have passed all tests and paid all required fees, your new endorsement will be added to your Utah CDL license.
It is important to note that obtaining a CDL Doubles/Triples endorsement may also require additional training and experience, depending on your employer's requirements.
1. Meet the eligibility requirements: You must possess a valid Utah CDL (Class A or B) and must be at least 21 years old.
2. Study the Utah CDL Driver Handbook: The handbook has all the information you need to pass the written test, which consists of 20 multiple-choice questions.
3. Schedule an appointment with a CDL testing location: You can schedule an appointment by visiting the Utah DMV website or by calling their customer service line at 801-965-4437.
4. Take and pass the written test: The test is based on the information in the Utah CDL Driver Handbook and you must score at least 80% to pass.
5. Pay the endorsement fee: The fee for a Doubles/Triples endorsement is $25.
6. Schedule a skills test: Once you have passed the written test and paid the fee, you can schedule a skills test at a CDL testing location.
7. Pass the skills test: The skills test consists of three parts - pre-trip vehicle inspection, basic vehicle control, and on-road driving. You must pass all three parts of the test to obtain your Doubles/Triples endorsement.
8. Receive your CDL Doubles/Triples endorsement: Once you have passed all tests and paid all required fees, your new endorsement will be added to your Utah CDL license.
It is important to note that obtaining a CDL Doubles/Triples endorsement may also require additional training and experience, depending on your employer's requirements.
To obtain a CDL Doubles/Triples license in Utah, you must meet the following requirements:
1. Age: You must be at least 21 years old to operate a commercial vehicle across state lines, which is required for a Doubles/Triples endorsement.
2. CDL: You must possess a valid Utah CDL (Class A or B) to add a Doubles/Triples endorsement to your license.
3. Driving Record: You must have a clean driving record with no serious traffic violations in the past 2-3 years.
4. Knowledge Test: You must pass a written knowledge test that covers the information in the Utah CDL Driver Handbook, specifically related to Doubles/Triples vehicles.
5. Skills Test: You must pass a skills test that includes three parts - pre-trip vehicle inspection, basic vehicle control, and on-road driving - while operating a Doubles/Triples vehicle.
6. Fees: You must pay the required fees for the endorsement, which in Utah is $25.
It's important to note that additional training and experience may be required by your employer or state laws to safely operate Doubles/Triples vehicles.
1. Age: You must be at least 21 years old to operate a commercial vehicle across state lines, which is required for a Doubles/Triples endorsement.
2. CDL: You must possess a valid Utah CDL (Class A or B) to add a Doubles/Triples endorsement to your license.
3. Driving Record: You must have a clean driving record with no serious traffic violations in the past 2-3 years.
4. Knowledge Test: You must pass a written knowledge test that covers the information in the Utah CDL Driver Handbook, specifically related to Doubles/Triples vehicles.
5. Skills Test: You must pass a skills test that includes three parts - pre-trip vehicle inspection, basic vehicle control, and on-road driving - while operating a Doubles/Triples vehicle.
6. Fees: You must pay the required fees for the endorsement, which in Utah is $25.
It's important to note that additional training and experience may be required by your employer or state laws to safely operate Doubles/Triples vehicles.
In Utah, there are no specific experience or training requirements to obtain a CDL Doubles/Triples endorsement. However, it is recommended that you have some experience and training in operating commercial vehicles before attempting to drive Doubles/Triples vehicles.
In general, driving a Doubles/Triples vehicle can be more challenging than driving a single commercial vehicle due to the increased length and weight of the combination. This means that it is important to have good driving skills and be able to handle the vehicle safely.
Some employers may also require additional training or experience before allowing you to operate Doubles/Triples vehicles. This may include specialized training on coupling and uncoupling trailers, handling turns, backing up, and other specific skills related to operating Doubles/Triples vehicles.
It's important to check with your employer or state laws for any specific requirements related to obtaining a CDL Doubles/Triples endorsement.
In general, driving a Doubles/Triples vehicle can be more challenging than driving a single commercial vehicle due to the increased length and weight of the combination. This means that it is important to have good driving skills and be able to handle the vehicle safely.
Some employers may also require additional training or experience before allowing you to operate Doubles/Triples vehicles. This may include specialized training on coupling and uncoupling trailers, handling turns, backing up, and other specific skills related to operating Doubles/Triples vehicles.
It's important to check with your employer or state laws for any specific requirements related to obtaining a CDL Doubles/Triples endorsement.
Yes, to obtain a CDL Doubles/Triples endorsement in Utah, you will need to pass an additional written test that covers the knowledge and skills required to safely operate a commercial vehicle with multiple trailers.
The written test will cover topics such as:
1. Coupling and uncoupling of trailers
2. Inspecting multiple trailers for safety issues
3. Driving techniques with multiple trailers
4. Turning, backing up, and parking with multiple trailers
5. Weight distribution and load securement for multiple trailers
You will need to demonstrate your knowledge of these topics by passing the written test with a score of at least 80%.
It's important to study the Utah CDL Driver Handbook and take practice tests to prepare for the written test. You can also attend specialized training courses offered by truck driving schools or other organizations to learn the skills required for the Doubles/Triples endorsement.
The written test will cover topics such as:
1. Coupling and uncoupling of trailers
2. Inspecting multiple trailers for safety issues
3. Driving techniques with multiple trailers
4. Turning, backing up, and parking with multiple trailers
5. Weight distribution and load securement for multiple trailers
You will need to demonstrate your knowledge of these topics by passing the written test with a score of at least 80%.
It's important to study the Utah CDL Driver Handbook and take practice tests to prepare for the written test. You can also attend specialized training courses offered by truck driving schools or other organizations to learn the skills required for the Doubles/Triples endorsement.
To obtain a CDL Doubles/Triples endorsement in Utah, you will need to pass a skills test that includes specific maneuvers related to operating a commercial vehicle with multiple trailers. Some of the skills or maneuvers you will need to demonstrate during the test include:
1. Straight line backing: You will need to back up the vehicle in a straight line for a distance of 100 feet.
2. Offset backing: You will need to back up the vehicle into a space that is offset to the left or right of your starting position.
3. Parallel parking: You will need to park the vehicle parallel to a curb without hitting it or crossing over it.
4. Coupling and uncoupling: You will need to properly couple and uncouple the trailers, ensuring that all safety procedures are followed.
5. Driving with multiple trailers: You will need to demonstrate your ability to safely drive the vehicle with multiple trailers, including making turns, changing lanes, and maintaining proper speed and following distance.
During the test, you will be evaluated on your ability to perform these maneuvers safely and effectively. It's important to practice these skills beforehand and ensure that you are familiar with operating a commercial vehicle with multiple trailers before taking the test.
1. Straight line backing: You will need to back up the vehicle in a straight line for a distance of 100 feet.
2. Offset backing: You will need to back up the vehicle into a space that is offset to the left or right of your starting position.
3. Parallel parking: You will need to park the vehicle parallel to a curb without hitting it or crossing over it.
4. Coupling and uncoupling: You will need to properly couple and uncouple the trailers, ensuring that all safety procedures are followed.
5. Driving with multiple trailers: You will need to demonstrate your ability to safely drive the vehicle with multiple trailers, including making turns, changing lanes, and maintaining proper speed and following distance.
During the test, you will be evaluated on your ability to perform these maneuvers safely and effectively. It's important to practice these skills beforehand and ensure that you are familiar with operating a commercial vehicle with multiple trailers before taking the test.
No, you cannot legally operate a commercial vehicle with double/triple trailers without a CDL Doubles/Triples endorsement. In Utah, a CDL Doubles/Triples endorsement is required if you want to operate a commercial vehicle with multiple trailers that have a combined weight of more than 26,000 pounds.
Operating a vehicle without the proper endorsements could result in fines, legal charges, and even suspension or revocation of your CDL license. It's important to follow all state and federal regulations when operating commercial vehicles to ensure the safety of yourself and others on the road.
To obtain a CDL Doubles/Triples endorsement, you will need to pass both a written test and skills test that specifically covers the knowledge and skills required to safely operate a commercial vehicle with multiple trailers. You can prepare for these tests by studying the Utah CDL Driver Handbook, taking practice tests, and receiving specialized training from truck driving schools or other organizations.
Operating a vehicle without the proper endorsements could result in fines, legal charges, and even suspension or revocation of your CDL license. It's important to follow all state and federal regulations when operating commercial vehicles to ensure the safety of yourself and others on the road.
To obtain a CDL Doubles/Triples endorsement, you will need to pass both a written test and skills test that specifically covers the knowledge and skills required to safely operate a commercial vehicle with multiple trailers. You can prepare for these tests by studying the Utah CDL Driver Handbook, taking practice tests, and receiving specialized training from truck driving schools or other organizations.
You can add a CDL Doubles/Triples endorsement to your existing CDL license in Utah. To add the endorsement, you will need to pass a written test and a skills test. You can schedule the tests at a Utah Department of Public Safety (DPS) location that offers CDL testing.
To add the endorsement, you will need to bring your current CDL license and proof of your identity and residency in Utah. You will also need to pay the fee for the endorsement. Once you have passed the tests and paid the fee, the DPS will update your CDL license to include the Doubles/Triples endorsement.
It's important to note that if your CDL license is due for renewal soon, you may want to wait until you renew it to add the endorsement. This can save you time and money since you won't have to pay an additional fee for adding the endorsement outside of your renewal period.
Overall, adding a CDL Doubles/Triples endorsement is a fairly straightforward process as long as you meet the requirements and pass the necessary tests.
To add the endorsement, you will need to bring your current CDL license and proof of your identity and residency in Utah. You will also need to pay the fee for the endorsement. Once you have passed the tests and paid the fee, the DPS will update your CDL license to include the Doubles/Triples endorsement.
It's important to note that if your CDL license is due for renewal soon, you may want to wait until you renew it to add the endorsement. This can save you time and money since you won't have to pay an additional fee for adding the endorsement outside of your renewal period.
Overall, adding a CDL Doubles/Triples endorsement is a fairly straightforward process as long as you meet the requirements and pass the necessary tests.
Yes, drivers with a CDL Doubles/Triples endorsement are subject to certain restrictions and limitations in Utah. These restrictions are in place to ensure the safety of the driver, other motorists, and pedestrians on the road.
Here are some of the restrictions and limitations that apply to drivers with a CDL Doubles/Triples endorsement in Utah:
1. Combination weight limits: The maximum combination weight for vehicles with double/triple trailers is 80,000 pounds (including the weight of the vehicle and cargo).
2. Length limits: The maximum length for a vehicle with double/triple trailers is 68 feet.
3. Lane restrictions: Drivers with double/triple trailers must drive in the right-hand lane on highways with three or more lanes going in the same direction.
4. Special driving skills required: Drivers with double/triple trailers must have special driving skills and be able to handle the increased length and weight of their vehicle.
5. Special braking systems required: Vehicles with double/triple trailers must have special braking systems that can handle the increased weight and stopping distance.
6. Special mirrors required: Vehicles with double/triple trailers must have additional mirrors to ensure proper visibility of the rear trailer(s).
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these restrictions and limitations and to follow them at all times. Failure to do so could result in fines, legal charges, or even suspension or revocation of your CDL license.
Here are some of the restrictions and limitations that apply to drivers with a CDL Doubles/Triples endorsement in Utah:
1. Combination weight limits: The maximum combination weight for vehicles with double/triple trailers is 80,000 pounds (including the weight of the vehicle and cargo).
2. Length limits: The maximum length for a vehicle with double/triple trailers is 68 feet.
3. Lane restrictions: Drivers with double/triple trailers must drive in the right-hand lane on highways with three or more lanes going in the same direction.
4. Special driving skills required: Drivers with double/triple trailers must have special driving skills and be able to handle the increased length and weight of their vehicle.
5. Special braking systems required: Vehicles with double/triple trailers must have special braking systems that can handle the increased weight and stopping distance.
6. Special mirrors required: Vehicles with double/triple trailers must have additional mirrors to ensure proper visibility of the rear trailer(s).
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these restrictions and limitations and to follow them at all times. Failure to do so could result in fines, legal charges, or even suspension or revocation of your CDL license.
In Utah, drivers with a CDL Doubles/Triples endorsement are subject to certain weight and length limits for double/triple trailers. These limits are in place to ensure the safety of the driver and other motorists on the road.
Here are the maximum weight and length limits for double/triple trailers in Utah:
1. Maximum combination weight: The maximum combination weight for vehicles with double/triple trailers is 80,000 pounds (including the weight of the vehicle and cargo).
2. Maximum length: The maximum length for a vehicle with double/triple trailers is 68 feet.
It's important to note that these weight and length limits are subject to change based on state or federal regulations. Drivers with a CDL Doubles/Triples endorsement should always check for updates to ensure they are in compliance with current laws and regulations.
Additionally, drivers with a CDL Doubles/Triples endorsement should have special driving skills and be able to handle the increased length and weight of their vehicle. They should also have special braking systems and additional mirrors to ensure proper visibility of the rear trailer(s).
Here are the maximum weight and length limits for double/triple trailers in Utah:
1. Maximum combination weight: The maximum combination weight for vehicles with double/triple trailers is 80,000 pounds (including the weight of the vehicle and cargo).
2. Maximum length: The maximum length for a vehicle with double/triple trailers is 68 feet.
It's important to note that these weight and length limits are subject to change based on state or federal regulations. Drivers with a CDL Doubles/Triples endorsement should always check for updates to ensure they are in compliance with current laws and regulations.
Additionally, drivers with a CDL Doubles/Triples endorsement should have special driving skills and be able to handle the increased length and weight of their vehicle. They should also have special braking systems and additional mirrors to ensure proper visibility of the rear trailer(s).
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement. These regulations are in place to ensure the safety of the driver, other motorists, and pedestrians on the road.
Here are some safety considerations and regulations for driving double/triple trailers:
1. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills to handle the increased length and weight of their vehicle. They should be able to maneuver their vehicle safely and effectively, especially when turning or changing lanes.
2. Special braking systems: Vehicles with double/triple trailers must have special braking systems that can handle the increased weight and stopping distance. These braking systems must meet certain requirements and be in good working order.
3. Lane restrictions: Drivers with double/triple trailers must drive in the right-hand lane on highways with three or more lanes going in the same direction.
4. Weight and length limits: Drivers must comply with weight and length limits for double/triple trailers. The maximum combination weight is 80,000 pounds, and the maximum length is 68 feet.
5. Special mirrors: Vehicles with double/triple trailers must have additional mirrors to ensure proper visibility of the rear trailer(s).
6. Proper maintenance: Drivers should ensure that their vehicle is properly maintained and inspected regularly to prevent breakdowns or accidents on the road.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these regulations and safety considerations and to follow them at all times. Failure to do so could result in fines, legal charges, or even suspension or revocation of your CDL license.
Here are some safety considerations and regulations for driving double/triple trailers:
1. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills to handle the increased length and weight of their vehicle. They should be able to maneuver their vehicle safely and effectively, especially when turning or changing lanes.
2. Special braking systems: Vehicles with double/triple trailers must have special braking systems that can handle the increased weight and stopping distance. These braking systems must meet certain requirements and be in good working order.
3. Lane restrictions: Drivers with double/triple trailers must drive in the right-hand lane on highways with three or more lanes going in the same direction.
4. Weight and length limits: Drivers must comply with weight and length limits for double/triple trailers. The maximum combination weight is 80,000 pounds, and the maximum length is 68 feet.
5. Special mirrors: Vehicles with double/triple trailers must have additional mirrors to ensure proper visibility of the rear trailer(s).
6. Proper maintenance: Drivers should ensure that their vehicle is properly maintained and inspected regularly to prevent breakdowns or accidents on the road.
It's important for drivers with a CDL Doubles/Triples endorsement to be aware of these regulations and safety considerations and to follow them at all times. Failure to do so could result in fines, legal charges, or even suspension or revocation of your CDL license.
