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 or four possible answer choices. Test questions come from the Arkansas Commercial Driver’s Manual. Questions come from chapters covering: Combination Vehicles and Doubles and Triples. The Double/Triple endorsement can be used with the Class A CDL.
Number of Question
Passing Score
1. What does the trailer air supply control look like?
Explanation
On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.
2. The service brake system:
Explanation
Air brakes consists of three separate braking systems: the service brake system, the parking brake system, and the emergency brake system. The service brake system applies and releases the brakes when you use the brake pedal while driving normally.
3. Cargo inside a trailer:
Explanation
Cargo needs to be secured appropriately to prevent it from moving in transit. Cargo should be arranged to keep the vehicle's center of gravity low and well-distributed.
4. When driving:
Explanation
Operators driving too fast is a major cause of fatal crashes. You must continually adjust your speed to a rate that is safe for road and traffic conditions.
5. When parking a double or triple, you should:
Explanation
When parking a double or triple, be careful to park only in spots that allow you to pull forward when exiting. Do not choose parking spots that require you to exit by backing up.
6. To avoid a collision with a hazard on the roadway:
Explanation
Swerving out of the way of a hazard is sometimes safer than trying to stop before reaching the hazard. You can usually turn away from something more quickly than you can come to a complete stop.
7. To make a stop in a vehicle using air brakes, the driver should:
Explanation
To make a normal stop in an air-braked vehicle, push the brake pedal down and control the pressure so that the vehicle comes to a smooth, safe stop.
Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Arkansas, you need to follow these steps:
1. Obtain a valid Arkansas Commercial Driver's License (CDL) by passing the required knowledge and skills tests. You can obtain a CDL by passing a three-part exam that includes a written test, a skills test, and a vision test.
2. Study for the Doubles/Triples endorsement by reviewing the Arkansas CDL Driver's Manual. This manual covers all the information you need to know to pass the endorsement test.
3. Schedule an appointment with your local Arkansas State Police testing center to take the Doubles/Triples endorsement test. You will need to bring your CDL and pay the required fee for the endorsement test.
4. Pass the Doubles/Triples endorsement test by answering at least 80% of the questions correctly. The test consists of 20 multiple-choice questions that cover topics such as coupling and uncoupling, inspecting doubles and triples, and driving doubles and triples.
5. Once you pass the test, your CDL will be updated with the Doubles/Triples endorsement. You will be authorized to drive vehicles with double or triple trailers attached.
It's important to note that in addition to passing the Doubles/Triples endorsement test, you must also meet other requirements, such as having a clean driving record and meeting medical certification requirements.
1. Obtain a valid Arkansas Commercial Driver's License (CDL) by passing the required knowledge and skills tests. You can obtain a CDL by passing a three-part exam that includes a written test, a skills test, and a vision test.
2. Study for the Doubles/Triples endorsement by reviewing the Arkansas CDL Driver's Manual. This manual covers all the information you need to know to pass the endorsement test.
3. Schedule an appointment with your local Arkansas State Police testing center to take the Doubles/Triples endorsement test. You will need to bring your CDL and pay the required fee for the endorsement test.
4. Pass the Doubles/Triples endorsement test by answering at least 80% of the questions correctly. The test consists of 20 multiple-choice questions that cover topics such as coupling and uncoupling, inspecting doubles and triples, and driving doubles and triples.
5. Once you pass the test, your CDL will be updated with the Doubles/Triples endorsement. You will be authorized to drive vehicles with double or triple trailers attached.
It's important to note that in addition to passing the Doubles/Triples endorsement test, you must also meet other requirements, such as having a clean driving record and meeting medical certification requirements.
To obtain a CDL Doubles/Triples license in Arkansas, you must meet the following requirements:
1. Be at least 21 years old: To operate a commercial vehicle outside of Arkansas or transport hazardous materials, you must be at least 21 years old. You can obtain a CDL Doubles/Triples endorsement at age 18 but will be restricted to intrastate driving.
2. Hold a valid Arkansas CDL: You must possess a valid Arkansas Commercial Driver's License (CDL) before you can apply for the Doubles/Triples endorsement.
3. Have a clean driving record: You must have a clean driving record with no previous license suspensions or revocations.
4. Pass the CDL Doubles/Triples knowledge test: You must pass a written knowledge test that covers the safe operation of double and triple trailers.
5. Pass the CDL Doubles/Triples skills test: You must pass a skills test that demonstrates your ability to control, couple, and uncouple double and triple trailers.
6. Meet medical certification requirements: You must provide proof of meeting the medical certification requirements to operate commercial vehicles in interstate commerce.
7. Pay the required fees: You must pay the required fees for the Doubles/Triples endorsement test and any other applicable fees.
It is important to note that obtaining a CDL Doubles/Triples license is a serious responsibility and requires significant training and practice. Always adhere to all traffic laws and regulations when operating double and triple trailers on Arkansas roads.
1. Be at least 21 years old: To operate a commercial vehicle outside of Arkansas or transport hazardous materials, you must be at least 21 years old. You can obtain a CDL Doubles/Triples endorsement at age 18 but will be restricted to intrastate driving.
2. Hold a valid Arkansas CDL: You must possess a valid Arkansas Commercial Driver's License (CDL) before you can apply for the Doubles/Triples endorsement.
3. Have a clean driving record: You must have a clean driving record with no previous license suspensions or revocations.
4. Pass the CDL Doubles/Triples knowledge test: You must pass a written knowledge test that covers the safe operation of double and triple trailers.
5. Pass the CDL Doubles/Triples skills test: You must pass a skills test that demonstrates your ability to control, couple, and uncouple double and triple trailers.
6. Meet medical certification requirements: You must provide proof of meeting the medical certification requirements to operate commercial vehicles in interstate commerce.
7. Pay the required fees: You must pay the required fees for the Doubles/Triples endorsement test and any other applicable fees.
It is important to note that obtaining a CDL Doubles/Triples license is a serious responsibility and requires significant training and practice. Always adhere to all traffic laws and regulations when operating double and triple trailers on Arkansas roads.
Yes, you will need specific experience and training to obtain a CDL Doubles/Triples endorsement in Arkansas.
First, you must hold a valid Arkansas Commercial Driver's License (CDL) and have a clean driving record. You must also pass the CDL Doubles/Triples knowledge test and the skills test, which will demonstrate your ability to control, couple, and uncouple double and triple trailers.
Before taking the skills test, you must receive proper training on how to properly operate double and triple trailers. This may include attending a commercial driving school or receiving training from an experienced driver who is already authorized to operate double or triple trailers.
You should also review the Arkansas CDL Driver's Manual and familiarize yourself with the laws and regulations related to the safe operation of double and triple trailers.
It's important to note that operating double and triple trailers requires additional skills and knowledge beyond those required for a standard CDL. Double and triple trailers are more difficult to maneuver, especially when backing up or turning, so it is crucial that you receive adequate training before attempting to operate them on public roads.
First, you must hold a valid Arkansas Commercial Driver's License (CDL) and have a clean driving record. You must also pass the CDL Doubles/Triples knowledge test and the skills test, which will demonstrate your ability to control, couple, and uncouple double and triple trailers.
Before taking the skills test, you must receive proper training on how to properly operate double and triple trailers. This may include attending a commercial driving school or receiving training from an experienced driver who is already authorized to operate double or triple trailers.
You should also review the Arkansas CDL Driver's Manual and familiarize yourself with the laws and regulations related to the safe operation of double and triple trailers.
It's important to note that operating double and triple trailers requires additional skills and knowledge beyond those required for a standard CDL. Double and triple trailers are more difficult to maneuver, especially when backing up or turning, so it is crucial that you receive adequate training before attempting to operate them on public roads.
Yes, there is an additional written test that you must pass to obtain a CDL Doubles/Triples endorsement in Arkansas.
The written test is designed to assess your knowledge of the safe operation of double and triple trailers. The test covers topics such as weight distribution, coupling and uncoupling procedures, inspection requirements, and other safety considerations specific to double and triple trailers.
The written test consists of multiple-choice questions, and you must answer at least 80% of the questions correctly to pass. You can study for the test by reviewing the Arkansas CDL Driver's Manual and other resources specific to double and triple trailers.
It's important to note that passing the written test is only one step in obtaining a CDL Doubles/Triples endorsement. You must also pass a skills test that demonstrates your ability to safely operate double and triple trailers, as well as meet other requirements such as holding a valid Arkansas CDL, having a clean driving record, and meeting medical certification requirements.
The written test is designed to assess your knowledge of the safe operation of double and triple trailers. The test covers topics such as weight distribution, coupling and uncoupling procedures, inspection requirements, and other safety considerations specific to double and triple trailers.
The written test consists of multiple-choice questions, and you must answer at least 80% of the questions correctly to pass. You can study for the test by reviewing the Arkansas CDL Driver's Manual and other resources specific to double and triple trailers.
It's important to note that passing the written test is only one step in obtaining a CDL Doubles/Triples endorsement. You must also pass a skills test that demonstrates your ability to safely operate double and triple trailers, as well as meet other requirements such as holding a valid Arkansas CDL, having a clean driving record, and meeting medical certification requirements.
To obtain a CDL Doubles/Triples endorsement in Arkansas, you must pass a skills test that demonstrates your ability to safely operate double and triple trailers.
During the skills test, you will be required to demonstrate several maneuvers and skills, including:
1. Vehicle inspection: You will be asked to conduct a pre-trip inspection of your double or triple trailer, including the coupling and uncoupling procedures.
2. Straight line backing: You will be required to back the double or triple trailer in a straight line for a distance of at least 100 feet.
3. Offset backing: You will be required to back the double or triple trailer into a space that is offset to the left or right.
4. Alley dock backing: You will be required to back the double or triple trailer into an alley dock.
5. Coupling and uncoupling: You will be required to demonstrate proper coupling and uncoupling procedures for double or triple trailers.
6. Road test: You will be required to operate the double or triple trailer on public roads, demonstrating safe driving habits and proper handling of the vehicle.
It's important to note that these skills and maneuvers require additional knowledge and training beyond those required for a standard CDL. Before attempting the skills test, you should receive proper training from an experienced driver or commercial driving school that is authorized to provide training for double and triple trailers.
During the skills test, you will be required to demonstrate several maneuvers and skills, including:
1. Vehicle inspection: You will be asked to conduct a pre-trip inspection of your double or triple trailer, including the coupling and uncoupling procedures.
2. Straight line backing: You will be required to back the double or triple trailer in a straight line for a distance of at least 100 feet.
3. Offset backing: You will be required to back the double or triple trailer into a space that is offset to the left or right.
4. Alley dock backing: You will be required to back the double or triple trailer into an alley dock.
5. Coupling and uncoupling: You will be required to demonstrate proper coupling and uncoupling procedures for double or triple trailers.
6. Road test: You will be required to operate the double or triple trailer on public roads, demonstrating safe driving habits and proper handling of the vehicle.
It's important to note that these skills and maneuvers require additional knowledge and training beyond those required for a standard CDL. Before attempting the skills test, you should receive proper training from an experienced driver or commercial driving school that is authorized to provide training for double and triple trailers.
No, you cannot legally operate double or triple trailers without a CDL Doubles/Triples endorsement in Arkansas.
Federal and state laws require drivers to hold a CDL Doubles/Triples endorsement to operate commercial motor vehicles with double or triple trailers. This endorsement is required because operating these types of vehicles requires additional knowledge, skills, and training beyond those required for a standard CDL.
If you are caught operating double or triple trailers without a CDL Doubles/Triples endorsement, you could face serious consequences, including fines, license suspension or revocation, and even criminal charges in some cases.
Therefore, it is important to obtain the proper endorsements and training before operating commercial motor vehicles with double or triple trailers to ensure the safety of yourself and others on the roadways.
Federal and state laws require drivers to hold a CDL Doubles/Triples endorsement to operate commercial motor vehicles with double or triple trailers. This endorsement is required because operating these types of vehicles requires additional knowledge, skills, and training beyond those required for a standard CDL.
If you are caught operating double or triple trailers without a CDL Doubles/Triples endorsement, you could face serious consequences, including fines, license suspension or revocation, and even criminal charges in some cases.
Therefore, it is important to obtain the proper endorsements and training before operating commercial motor vehicles with double or triple trailers to ensure the safety of yourself and others on the roadways.
If you already have a valid Arkansas CDL, you can add the CDL Doubles/Triples endorsement to your existing license.
To add the endorsement, you will need to pass the appropriate knowledge and skills tests for double and triple trailers. You can schedule an appointment with your local Arkansas State Police office that offers CDL testing to take the tests.
When you pass the required tests, you will need to pay a fee to add the endorsement to your CDL license. You will receive a new CDL license with the Doubles/Triples endorsement added to it.
It's important to note that adding endorsements to your CDL may also require additional medical certifications or background checks, depending on the endorsement. Therefore, it's recommended that you check with your local Arkansas State Police office for specific requirements and procedures for adding endorsements to your CDL license.
To add the endorsement, you will need to pass the appropriate knowledge and skills tests for double and triple trailers. You can schedule an appointment with your local Arkansas State Police office that offers CDL testing to take the tests.
When you pass the required tests, you will need to pay a fee to add the endorsement to your CDL license. You will receive a new CDL license with the Doubles/Triples endorsement added to it.
It's important to note that adding endorsements to your CDL may also require additional medical certifications or background checks, depending on the endorsement. Therefore, it's recommended that you check with your local Arkansas State Police office for specific requirements and procedures for adding endorsements to your CDL license.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Arkansas.
One of the main restrictions is that drivers with this endorsement are only allowed to operate commercial motor vehicles with double or triple trailers. They are not authorized to operate any other types of commercial motor vehicles, unless they have additional endorsements for those vehicles.
Furthermore, the maximum length and weight of the double or triple trailers that a driver can operate is regulated by both federal and state laws. These rules vary depending on the type of vehicle and the specific circumstances of the operation.
Another important limitation is that drivers with a CDL Doubles/Triples endorsement must adhere to all safety regulations and standards, including those related to hours of service, vehicle maintenance, and cargo securement. Violations of these rules can result in fines, penalties, and even the suspension or revocation of the driver's CDL license.
It's also worth noting that employers may have their own internal policies regarding the use of double or triple trailers, which may place additional restrictions or limitations on drivers with a CDL Doubles/Triples endorsement. Drivers should familiarize themselves with their employer's policies and follow them accordingly.
One of the main restrictions is that drivers with this endorsement are only allowed to operate commercial motor vehicles with double or triple trailers. They are not authorized to operate any other types of commercial motor vehicles, unless they have additional endorsements for those vehicles.
Furthermore, the maximum length and weight of the double or triple trailers that a driver can operate is regulated by both federal and state laws. These rules vary depending on the type of vehicle and the specific circumstances of the operation.
Another important limitation is that drivers with a CDL Doubles/Triples endorsement must adhere to all safety regulations and standards, including those related to hours of service, vehicle maintenance, and cargo securement. Violations of these rules can result in fines, penalties, and even the suspension or revocation of the driver's CDL license.
It's also worth noting that employers may have their own internal policies regarding the use of double or triple trailers, which may place additional restrictions or limitations on drivers with a CDL Doubles/Triples endorsement. Drivers should familiarize themselves with their employer's policies and follow them accordingly.
The maximum weight and length limits for double/triple trailers with a CDL Doubles/Triples endorsement depends on both federal and state regulations. Here are the general limits for Arkansas:
- The maximum weight limit for double trailers is 34,000 pounds (15,422 kg) for each trailer, or a total of 68,000 pounds (30,844 kg) including the tractor.
- The maximum weight limit for triple trailers is 28,000 pounds (12,701 kg) for each trailer, or a total of 84,000 pounds (38,102 kg) including the tractor.
- The maximum length limit for double trailers is 28 feet for each trailer, or a total of 56 feet including the tractor.
- The maximum length limit for triple trailers is 28 feet for each trailer, or a total of 84 feet including the tractor.
It's important to note that these limits are subject to change and may vary depending on the specific circumstances of the operation. Additionally, both federal and state regulations require that all commercial motor vehicles be operated within safe operating limits, which may be lower than the maximum limits described above. Drivers with a CDL Doubles/Triples endorsement should always check with their employer and follow all applicable regulations and safety standards.
- The maximum weight limit for double trailers is 34,000 pounds (15,422 kg) for each trailer, or a total of 68,000 pounds (30,844 kg) including the tractor.
- The maximum weight limit for triple trailers is 28,000 pounds (12,701 kg) for each trailer, or a total of 84,000 pounds (38,102 kg) including the tractor.
- The maximum length limit for double trailers is 28 feet for each trailer, or a total of 56 feet including the tractor.
- The maximum length limit for triple trailers is 28 feet for each trailer, or a total of 84 feet including the tractor.
It's important to note that these limits are subject to change and may vary depending on the specific circumstances of the operation. Additionally, both federal and state regulations require that all commercial motor vehicles be operated within safe operating limits, which may be lower than the maximum limits described above. Drivers with a CDL Doubles/Triples endorsement should always check with their employer and follow all applicable regulations and safety standards.
Yes, there are several safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement must follow when operating double/triple trailers. Here are some important ones:
1. Properly secure the cargo: It's essential to properly secure the cargo to prevent it from shifting or falling off during transit. This includes using appropriate tie-downs, load locks, and other cargo securement devices.
2. Conduct pre-trip inspections: Drivers must conduct thorough pre-trip inspections of the vehicle and its components to ensure that they are in good working order. This includes checking the brakes, tires, lights, and other safety equipment.
3. Follow hours of service regulations: Drivers must adhere to hours of service regulations to prevent fatigue-related accidents. These regulations limit the number of hours that a driver can be on duty and require rest breaks and off-duty time.
4. Follow speed limits: Drivers must observe posted speed limits and drive at a safe speed for the conditions.
5. Maintain safe following distances: Drivers must maintain a safe following distance to allow for sudden stops or other emergencies.
6. Use caution when turning and backing up: Double/triple trailers require more space to turn and maneuver than single trailers, so drivers must exercise caution when turning and backing up.
7. Keep a sharp lookout: Drivers must be aware of their surroundings at all times, including other vehicles, pedestrians, and obstacles in their path.
8. Obtain additional endorsements as needed: Drivers may need additional endorsements, such as HazMat or Tanker endorsements, depending on the type of cargo they are transporting.
These are just a few examples of the safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement must follow when operating double/triple trailers. It's important to follow all applicable rules and regulations to ensure safe operation of the vehicle and prevent accidents on the road.
1. Properly secure the cargo: It's essential to properly secure the cargo to prevent it from shifting or falling off during transit. This includes using appropriate tie-downs, load locks, and other cargo securement devices.
2. Conduct pre-trip inspections: Drivers must conduct thorough pre-trip inspections of the vehicle and its components to ensure that they are in good working order. This includes checking the brakes, tires, lights, and other safety equipment.
3. Follow hours of service regulations: Drivers must adhere to hours of service regulations to prevent fatigue-related accidents. These regulations limit the number of hours that a driver can be on duty and require rest breaks and off-duty time.
4. Follow speed limits: Drivers must observe posted speed limits and drive at a safe speed for the conditions.
5. Maintain safe following distances: Drivers must maintain a safe following distance to allow for sudden stops or other emergencies.
6. Use caution when turning and backing up: Double/triple trailers require more space to turn and maneuver than single trailers, so drivers must exercise caution when turning and backing up.
7. Keep a sharp lookout: Drivers must be aware of their surroundings at all times, including other vehicles, pedestrians, and obstacles in their path.
8. Obtain additional endorsements as needed: Drivers may need additional endorsements, such as HazMat or Tanker endorsements, depending on the type of cargo they are transporting.
These are just a few examples of the safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement must follow when operating double/triple trailers. It's important to follow all applicable rules and regulations to ensure safe operation of the vehicle and prevent accidents on the road.
