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 Rhode Island 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 backing with a trailer, you should begin by:
Explanation
When backing with a trailer, begin by turning the steering wheel in the direction opposite of the turn. Once the trailer starts to turn, reverse the direction of the steering wheel to follow the trailer.
2. When backing up while coupling a trailer, the tractor should be positioned:
Explanation
When backing up to couple a trailer, you should position the tractor directly in front of the trailer. Trying to couple while backing at an angle could cause the trailer to move and the landing gear to break.
3. Air pressure should build up in a single air system within:
Explanation
In single air systems, air pressure should build from approximately 50 to 90 psi within three minutes.
4. Rust around wheel nuts may mean:
Explanation
It is important to inspect your tires before every drive. Rust around wheel nuts may indicate that they are loose.
5. Watching the road ahead:
Explanation
Making a sudden lane change can be dangerous while driving a combination vehicle. You can avoid the need to make a sudden lange change by looking down the road for upcoming obstacles that will require you to change lanes.
6. If driving so slowly that you could impede other drivers, you should:
Explanation
If you must drive so slowly that you will impede the flow of traffic, you should turn on your four-way flashers to alert drivers behind you (as long as local laws allow the use of flashers).
7. A trolley valve:
Explanation
The trailer hand valve (also referred to as the trolley valve or Johnson bar) is a mechanism that works the trailer brakes. It should only be used to test the brakes. Using it while the vehicle is being driven could cause a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Rhode Island, you will need to follow these steps:
1. Meet the eligibility requirements: You must hold a valid Rhode Island CDL and be at least 18 years old to apply for a Doubles/Triples endorsement. However, if you plan to transport hazardous materials, you must be at least 21 years old.
2. Study for the Doubles/Triples endorsement exam: You can find study materials and practice tests on the Rhode Island DMV website or at your local DMV office.
3. Schedule and pass the written test: Schedule an appointment to take the written test at your local DMV office. You will need to pass the test with a score of at least 80%.
4. Pay the fee: There is a fee for adding the Doubles/Triples endorsement to your CDL.
5. Practice driving with Doubles/Triples: If you have not driven Doubles/Triples before, it is important to get some practice before taking the road test.
6. Schedule and pass the road test: Once you feel comfortable driving Doubles/Triples, schedule an appointment for your road test at your local DMV office. You will need to bring a vehicle that meets the requirements for Doubles/Triples, including proper registration and insurance.
7. Receive your CDL with Doubles/Triples endorsement: If you pass the road test, you will receive your new CDL with the Doubles/Triples endorsement added.
It is important to note that if you plan to transport hazardous materials with Doubles/Triples, you will also need to obtain a Hazmat endorsement in addition to the Doubles/Triples endorsement.
1. Meet the eligibility requirements: You must hold a valid Rhode Island CDL and be at least 18 years old to apply for a Doubles/Triples endorsement. However, if you plan to transport hazardous materials, you must be at least 21 years old.
2. Study for the Doubles/Triples endorsement exam: You can find study materials and practice tests on the Rhode Island DMV website or at your local DMV office.
3. Schedule and pass the written test: Schedule an appointment to take the written test at your local DMV office. You will need to pass the test with a score of at least 80%.
4. Pay the fee: There is a fee for adding the Doubles/Triples endorsement to your CDL.
5. Practice driving with Doubles/Triples: If you have not driven Doubles/Triples before, it is important to get some practice before taking the road test.
6. Schedule and pass the road test: Once you feel comfortable driving Doubles/Triples, schedule an appointment for your road test at your local DMV office. You will need to bring a vehicle that meets the requirements for Doubles/Triples, including proper registration and insurance.
7. Receive your CDL with Doubles/Triples endorsement: If you pass the road test, you will receive your new CDL with the Doubles/Triples endorsement added.
It is important to note that if you plan to transport hazardous materials with Doubles/Triples, you will also need to obtain a Hazmat endorsement in addition to the Doubles/Triples endorsement.
To get a CDL Doubles/Triples license in Rhode Island, you must meet the following requirements:
1. Be at least 18 years old: You must be at least 18 years old to apply for a Doubles/Triples endorsement, but you will only be able to transport goods within the state of Rhode Island. If you plan to transport goods across state lines, you must be at least 21 years old.
2. Hold a valid Rhode Island CDL: You must already hold a valid Rhode Island CDL before applying for a Doubles/Triples endorsement.
3. Pass the Doubles/Triples written exam: You will need to pass the written exam on Doubles/Triples vehicles and their operation with a score of at least 80%.
4. Pay the fee: There is a fee for adding the Doubles/Triples endorsement to your CDL.
5. Pass the Doubles/Triples road test: You will need to pass a road test in a vehicle that meets the requirements for Doubles/Triples, including proper registration and insurance.
It is important to note that if you plan to transport hazardous materials with Doubles/Triples, you will also need to obtain a Hazmat endorsement in addition to the Doubles/Triples endorsement.
1. Be at least 18 years old: You must be at least 18 years old to apply for a Doubles/Triples endorsement, but you will only be able to transport goods within the state of Rhode Island. If you plan to transport goods across state lines, you must be at least 21 years old.
2. Hold a valid Rhode Island CDL: You must already hold a valid Rhode Island CDL before applying for a Doubles/Triples endorsement.
3. Pass the Doubles/Triples written exam: You will need to pass the written exam on Doubles/Triples vehicles and their operation with a score of at least 80%.
4. Pay the fee: There is a fee for adding the Doubles/Triples endorsement to your CDL.
5. Pass the Doubles/Triples road test: You will need to pass a road test in a vehicle that meets the requirements for Doubles/Triples, including proper registration and insurance.
It is important to note that if you plan to transport hazardous materials with Doubles/Triples, you will also need to obtain a Hazmat endorsement in addition to the Doubles/Triples endorsement.
Yes, there are specific training and experience requirements to obtain a CDL Doubles/Triples endorsement in Rhode Island.
First, you must hold a valid CDL license. Then, you must pass the Doubles/Triples written exam and the road test in a vehicle that meets the requirements for Doubles/Triples.
Additionally, you should have some experience driving with a regular CDL before attempting to obtain a Doubles/Triples endorsement. It is recommended that you have at least one year of experience driving commercial vehicles before attempting to operate Doubles/Triples.
It is also important to note that some employers may require additional training or experience before allowing drivers to operate Doubles/Triples vehicles. Therefore, it is always a good idea to check with your prospective employer regarding their specific requirements.
First, you must hold a valid CDL license. Then, you must pass the Doubles/Triples written exam and the road test in a vehicle that meets the requirements for Doubles/Triples.
Additionally, you should have some experience driving with a regular CDL before attempting to obtain a Doubles/Triples endorsement. It is recommended that you have at least one year of experience driving commercial vehicles before attempting to operate Doubles/Triples.
It is also important to note that some employers may require additional training or experience before allowing drivers to operate Doubles/Triples vehicles. Therefore, it is always a good idea to check with your prospective employer regarding their specific requirements.
Yes, to obtain a CDL Doubles/Triples endorsement in Rhode Island, you must pass a written exam specifically for Doubles/Triples vehicles. This exam covers the knowledge and skills required to safely operate a vehicle combination with more than one trailer, such as coupling and uncoupling trailers, inspecting air brake systems, and checking for proper weight distribution.
The Doubles/Triples written exam is in addition to the general knowledge exam that is required for all CDL applicants. If you plan to transport hazardous materials with Doubles/Triples, you will also need to pass the Hazardous Materials (HazMat) endorsement exam.
It is important to study the Rhode Island CDL manual thoroughly before taking any exams, including the Doubles/Triples written exam. There are also many online resources and study guides available to help you prepare for the exam.
The Doubles/Triples written exam is in addition to the general knowledge exam that is required for all CDL applicants. If you plan to transport hazardous materials with Doubles/Triples, you will also need to pass the Hazardous Materials (HazMat) endorsement exam.
It is important to study the Rhode Island CDL manual thoroughly before taking any exams, including the Doubles/Triples written exam. There are also many online resources and study guides available to help you prepare for the exam.
To obtain a CDL Doubles/Triples endorsement in Rhode Island, you will need to pass a skills test in addition to the written exam. During the skills test, you will be required to demonstrate your ability to safely operate a vehicle combination with more than one trailer. Here are some of the specific skills and maneuvers you will need to demonstrate:
1. Vehicle inspection: You will need to perform a thorough inspection of the vehicle combination before beginning the test. This includes checking the brakes, lights, coupling devices, and other essential components.
2. Coupling and uncoupling: You will need to demonstrate your ability to properly couple and uncouple the trailers, including attaching and detaching the air lines and electrical connections.
3. Straight line backing: You will need to back up the vehicle combination in a straight line for a distance of approximately 100 feet.
4. Offset backing: You will need to back up the vehicle combination through a narrow lane with a 90-degree turn.
5. Alley docking: You will need to back up the vehicle combination into a loading dock or other tight space.
6. Road driving: You will need to demonstrate your ability to safely operate the vehicle combination on public roads, including turning, braking, accelerating, and changing lanes.
During all of these maneuvers, you must maintain control of the vehicle combination and follow all traffic laws and safety regulations. It is important to practice these skills extensively before taking the skills test, as they can be challenging even for experienced drivers.
1. Vehicle inspection: You will need to perform a thorough inspection of the vehicle combination before beginning the test. This includes checking the brakes, lights, coupling devices, and other essential components.
2. Coupling and uncoupling: You will need to demonstrate your ability to properly couple and uncouple the trailers, including attaching and detaching the air lines and electrical connections.
3. Straight line backing: You will need to back up the vehicle combination in a straight line for a distance of approximately 100 feet.
4. Offset backing: You will need to back up the vehicle combination through a narrow lane with a 90-degree turn.
5. Alley docking: You will need to back up the vehicle combination into a loading dock or other tight space.
6. Road driving: You will need to demonstrate your ability to safely operate the vehicle combination on public roads, including turning, braking, accelerating, and changing lanes.
During all of these maneuvers, you must maintain control of the vehicle combination and follow all traffic laws and safety regulations. It is important to practice these skills extensively before taking the skills test, as they can be challenging even for experienced drivers.
No, you cannot operate a combination vehicle with double or triple trailers without obtaining a CDL Doubles/Triples endorsement. Rhode Island law requires drivers to hold a CDL endorsement for each type of vehicle they operate.
Driving a combination vehicle with double or triple trailers requires specialized knowledge and skills, such as coupling and uncoupling trailers, inspecting air brake systems, and checking for proper weight distribution. These skills are not covered in the general knowledge exam that is required for all CDL applicants.
To obtain a CDL Doubles/Triples endorsement in Rhode Island, you must pass both a written exam and a skills test. Once you have obtained the endorsement, you can legally operate a combination vehicle with double or triple trailers as long as you also hold the appropriate class of CDL license.
It is important to note that operating a combination vehicle with double or triple trailers without the proper endorsement can result in fines, license suspension, and other penalties. It is always best to ensure that you have the proper endorsements and licenses before operating any type of commercial vehicle.
Driving a combination vehicle with double or triple trailers requires specialized knowledge and skills, such as coupling and uncoupling trailers, inspecting air brake systems, and checking for proper weight distribution. These skills are not covered in the general knowledge exam that is required for all CDL applicants.
To obtain a CDL Doubles/Triples endorsement in Rhode Island, you must pass both a written exam and a skills test. Once you have obtained the endorsement, you can legally operate a combination vehicle with double or triple trailers as long as you also hold the appropriate class of CDL license.
It is important to note that operating a combination vehicle with double or triple trailers without the proper endorsement can result in fines, license suspension, and other penalties. It is always best to ensure that you have the proper endorsements and licenses before operating any type of commercial vehicle.
You can add the CDL Doubles/Triples endorsement to your existing CDL license in Rhode Island. You will need to pass the written exam for the endorsement and then take a skills test to demonstrate your ability to safely operate a combination vehicle with double or triple trailers.
To add the endorsement to your license, you will need to visit a Rhode Island DMV office and complete the following steps:
1. Submit an application for the CDL Doubles/Triples endorsement.
2. Pass the written exam for the endorsement.
3. Schedule and pass a skills test with a qualified examiner.
Once you have passed both tests, the DMV will add the endorsement to your existing CDL license. You will not need to apply for a new license.
It is important to note that adding an endorsement may result in additional fees or requirements, such as completing a training course or providing proof of medical certification. Be sure to check with your local DMV office for specific requirements related to adding endorsements to your CDL license.
To add the endorsement to your license, you will need to visit a Rhode Island DMV office and complete the following steps:
1. Submit an application for the CDL Doubles/Triples endorsement.
2. Pass the written exam for the endorsement.
3. Schedule and pass a skills test with a qualified examiner.
Once you have passed both tests, the DMV will add the endorsement to your existing CDL license. You will not need to apply for a new license.
It is important to note that adding an endorsement may result in additional fees or requirements, such as completing a training course or providing proof of medical certification. Be sure to check with your local DMV office for specific requirements related to adding endorsements to your CDL license.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Rhode Island. These restrictions are in place to ensure the safety of both the driver and other motorists on the road.
The following are some of the common restrictions for drivers with a CDL Doubles/Triples endorsement:
1. Length and weight: The length and weight of the combination vehicle with double or triple trailers must not exceed the limits set by Rhode Island law.
2. Use of brakes: Drivers must use the proper braking techniques when operating a combination vehicle with double or triple trailers. This includes using the trailer brake hand valve to apply the brakes to the rear trailer first, then the front trailer, and then the tractor.
3. Turning: Drivers must exercise caution when turning a combination vehicle with double or triple trailers. The longer length of the vehicle can make it more difficult to navigate turns safely.
4. Lane usage: Drivers must stay in the right lane when operating a combination vehicle with double or triple trailers, except when passing or turning left.
It is important for drivers with a CDL Doubles/Triples endorsement to understand and abide by these restrictions to ensure their own safety and that of others on the road. Violating these restrictions can result in fines, license suspension, and other penalties.
The following are some of the common restrictions for drivers with a CDL Doubles/Triples endorsement:
1. Length and weight: The length and weight of the combination vehicle with double or triple trailers must not exceed the limits set by Rhode Island law.
2. Use of brakes: Drivers must use the proper braking techniques when operating a combination vehicle with double or triple trailers. This includes using the trailer brake hand valve to apply the brakes to the rear trailer first, then the front trailer, and then the tractor.
3. Turning: Drivers must exercise caution when turning a combination vehicle with double or triple trailers. The longer length of the vehicle can make it more difficult to navigate turns safely.
4. Lane usage: Drivers must stay in the right lane when operating a combination vehicle with double or triple trailers, except when passing or turning left.
It is important for drivers with a CDL Doubles/Triples endorsement to understand and abide by these restrictions to ensure their own safety and that of others on the road. Violating these restrictions can result in fines, license suspension, and other penalties.
In Rhode Island, the maximum weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement are as follows:
1. Weight limit: The maximum weight limit for a combination vehicle with double trailers is 80,000 pounds. The maximum weight limit for a combination vehicle with triple trailers is 90,000 pounds.
2. Length limit: The maximum length limit for a combination vehicle with double trailers is 28 feet per trailer. The maximum length limit for a combination vehicle with triple trailers is 28 feet per trailer.
It is important to note that these weight and length limits are subject to change and may vary depending on the state or territory where you are operating your vehicle. Additionally, some roads or bridges may have their own weight and length restrictions that you must adhere to.
As a CDL holder with a Doubles/Triples endorsement, it is your responsibility to know and follow all applicable rules and regulations related to the operation of your combination vehicle. Failure to do so can result in fines, penalties, and even the revocation of your CDL license.
1. Weight limit: The maximum weight limit for a combination vehicle with double trailers is 80,000 pounds. The maximum weight limit for a combination vehicle with triple trailers is 90,000 pounds.
2. Length limit: The maximum length limit for a combination vehicle with double trailers is 28 feet per trailer. The maximum length limit for a combination vehicle with triple trailers is 28 feet per trailer.
It is important to note that these weight and length limits are subject to change and may vary depending on the state or territory where you are operating your vehicle. Additionally, some roads or bridges may have their own weight and length restrictions that you must adhere to.
As a CDL holder with a Doubles/Triples endorsement, it is your responsibility to know and follow all applicable rules and regulations related to the operation of your combination vehicle. Failure to do so can result in fines, penalties, and even the revocation of your CDL license.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement. These considerations and regulations are in place to ensure the safety of the driver, other motorists, and pedestrians on the road.
The following are some of the specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement:
1. Proper loading: Double/triple trailers must be loaded properly to ensure that the weight is evenly distributed and that the cargo is secure. Improper loading can lead to accidents, rollovers, and other dangerous situations.
2. Braking: Double/triple trailers require special braking techniques. Drivers must use the trailer brake hand valve to apply the brakes to the rear trailer first, then the front trailer, and then the tractor.
3. Turning: Turning with double/triple trailers requires extra caution. Drivers must be aware of the longer length of their vehicle and exercise caution when turning to avoid accidents.
4. Lane usage: Double/triple trailers must stay in the right lane except when passing or turning left.
5. Speed limit: Double/triple trailers are subject to lower speed limits than other vehicles on some roads, especially those with steep grades.
6. Inspections: Drivers of double/triple trailers must perform pre-trip inspections to ensure that their vehicle is safe to operate. Additionally, they should inspect their vehicle periodically during long trips or when encountering rough terrain.
It is important for drivers with a CDL Doubles/Triples endorsement to understand and follow these safety considerations and regulations to ensure their own safety and that of others on the road. Failure to do so can result in fines, penalties, or even accidents that can cause injury or death.
The following are some of the specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement:
1. Proper loading: Double/triple trailers must be loaded properly to ensure that the weight is evenly distributed and that the cargo is secure. Improper loading can lead to accidents, rollovers, and other dangerous situations.
2. Braking: Double/triple trailers require special braking techniques. Drivers must use the trailer brake hand valve to apply the brakes to the rear trailer first, then the front trailer, and then the tractor.
3. Turning: Turning with double/triple trailers requires extra caution. Drivers must be aware of the longer length of their vehicle and exercise caution when turning to avoid accidents.
4. Lane usage: Double/triple trailers must stay in the right lane except when passing or turning left.
5. Speed limit: Double/triple trailers are subject to lower speed limits than other vehicles on some roads, especially those with steep grades.
6. Inspections: Drivers of double/triple trailers must perform pre-trip inspections to ensure that their vehicle is safe to operate. Additionally, they should inspect their vehicle periodically during long trips or when encountering rough terrain.
It is important for drivers with a CDL Doubles/Triples endorsement to understand and follow these safety considerations and regulations to ensure their own safety and that of others on the road. Failure to do so can result in fines, penalties, or even accidents that can cause injury or death.
