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. Test questions come from the Florida CDL 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 driving in fog, you should:
Explanation
If you must drive in fog, you should use your low beam headlights and fog lights, even during the daytime.
16. Multi-speed axles and auxiliary transmissions are used:
Explanation
On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears. They are usually controlled by a selector knob on the gearshift lever.
17. If the brakes “pull” to one side or the other when you use them, it's a sign that:
Explanation
If your vehicle "pulls" to one side when braking, you may have brake trouble. If there is an issue with your brakes, you should fix the issue before driving. Operating an unsafe vehicle is against federal and state laws.
18. Fully-loaded rigs:
Explanation
Because the weight of cargo gives them a higher center of gravity, fully-loaded rigs are 10 times more likely to roll over in a crash than empty rigs.
19. In poor weather, the driver of a double or triple should:
Explanation
In adverse weather conditions, special care must be taken when driving a double or triple. They are especially prone to skids, loss of traction, and rollovers.
20. Most heavy-duty vehicles use ____ air brake systems.
Explanation
The majority of heavy-duty vehicles are equipped with dual air brake systems.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Florida, follow these steps:
1. Obtain a Florida Commercial Driver's License (CDL) by passing all required knowledge and skills tests and meeting other eligibility requirements. You must be at least 18 years old to obtain a CDL and 21 years old to operate commercial vehicles across state lines or transport hazardous materials.
2. Study and understand the information related to Doubles/Triples endorsement in the Florida CDL Handbook. You can download the handbook from the Florida Department of Highway Safety and Motor Vehicles (FLHSMV) website or obtain a copy from any FLHSMV office.
3. Schedule an appointment with a FLHSMV-approved third-party testing organization to take the Doubles/Triples endorsement knowledge test. You must pass this test with a score of at least 80% to qualify for the endorsement.
4. Once you pass the knowledge test, you can schedule an appointment with the same or different third-party testing organization to take the Doubles/Triples endorsement skills test. This test involves demonstrating your ability to safely drive and maneuver a commercial vehicle with double/triple trailers attached.
5. If you pass both tests, present your passing score sheet to any FLHSMV office and pay the required fee to add the Doubles/Triples endorsement to your CDL.
6. Your new license with the Doubles/Triples endorsement will be mailed to you within two weeks.
Note that if you have a hazardous materials endorsement on your CDL, you must also have a Doubles/Triples endorsement to legally transport double/triple trailers carrying hazardous materials in Florida.
1. Obtain a Florida Commercial Driver's License (CDL) by passing all required knowledge and skills tests and meeting other eligibility requirements. You must be at least 18 years old to obtain a CDL and 21 years old to operate commercial vehicles across state lines or transport hazardous materials.
2. Study and understand the information related to Doubles/Triples endorsement in the Florida CDL Handbook. You can download the handbook from the Florida Department of Highway Safety and Motor Vehicles (FLHSMV) website or obtain a copy from any FLHSMV office.
3. Schedule an appointment with a FLHSMV-approved third-party testing organization to take the Doubles/Triples endorsement knowledge test. You must pass this test with a score of at least 80% to qualify for the endorsement.
4. Once you pass the knowledge test, you can schedule an appointment with the same or different third-party testing organization to take the Doubles/Triples endorsement skills test. This test involves demonstrating your ability to safely drive and maneuver a commercial vehicle with double/triple trailers attached.
5. If you pass both tests, present your passing score sheet to any FLHSMV office and pay the required fee to add the Doubles/Triples endorsement to your CDL.
6. Your new license with the Doubles/Triples endorsement will be mailed to you within two weeks.
Note that if you have a hazardous materials endorsement on your CDL, you must also have a Doubles/Triples endorsement to legally transport double/triple trailers carrying hazardous materials in Florida.
To get a CDL Doubles/Triples license in Florida, you must meet the following requirements:
1. Be at least 21 years old: You must be at least 21 years old to operate a commercial vehicle with double/triple trailers across state lines.
2. Hold a valid Florida CDL: You must already hold a valid Florida CDL or be in the process of obtaining one.
3. Pass the Doubles/Triples endorsement knowledge test: You must pass a knowledge test specific to the Doubles/Triples endorsement. The test covers topics such as coupling and uncoupling, inspecting double/triple trailers, and safe driving practices with multiple trailers.
4. Pass the Doubles/Triples endorsement skills test: You must also pass a skills test that demonstrates your ability to safely operate a commercial vehicle with double/triple trailers.
5. Meet medical requirements: You must meet certain medical requirements and have a valid Medical Examiner's Certificate.
6. Have a clean driving record: You must not have any disqualifying offenses on your driving record, such as DUI, hit-and-run, or reckless driving.
7. Pay the required fees: There are fees associated with obtaining a CDL Doubles/Triples license, including fees for the knowledge and skills tests and the endorsement itself.
It's important to note that if you already have a hazardous materials endorsement on your CDL, you must also have a Doubles/Triples endorsement to legally transport double/triple trailers carrying hazardous materials in Florida.
1. Be at least 21 years old: You must be at least 21 years old to operate a commercial vehicle with double/triple trailers across state lines.
2. Hold a valid Florida CDL: You must already hold a valid Florida CDL or be in the process of obtaining one.
3. Pass the Doubles/Triples endorsement knowledge test: You must pass a knowledge test specific to the Doubles/Triples endorsement. The test covers topics such as coupling and uncoupling, inspecting double/triple trailers, and safe driving practices with multiple trailers.
4. Pass the Doubles/Triples endorsement skills test: You must also pass a skills test that demonstrates your ability to safely operate a commercial vehicle with double/triple trailers.
5. Meet medical requirements: You must meet certain medical requirements and have a valid Medical Examiner's Certificate.
6. Have a clean driving record: You must not have any disqualifying offenses on your driving record, such as DUI, hit-and-run, or reckless driving.
7. Pay the required fees: There are fees associated with obtaining a CDL Doubles/Triples license, including fees for the knowledge and skills tests and the endorsement itself.
It's important to note that if you already have a hazardous materials endorsement on your CDL, you must also have a Doubles/Triples endorsement to legally transport double/triple trailers carrying hazardous materials in Florida.
While there are no formal experience or training requirements to obtain a CDL Doubles/Triples endorsement in Florida, it is recommended that you have some experience operating a commercial vehicle with a single trailer before attempting to operate double/triple trailers.
Additionally, the Florida CDL Handbook provides comprehensive information on the knowledge and skills required to operate commercial vehicles with double/triple trailers. It is important to study and understand this information before attempting to take the Doubles/Triples endorsement tests.
In some cases, commercial trucking companies may also provide training for employees who need to obtain a Doubles/Triples endorsement. This training may include classroom instruction, hands-on driving experience, and safety procedures for operating commercial vehicles with multiple trailers.
Overall, while specific experience or training isn't required to obtain a CDL Doubles/Triples endorsement in Florida, it is important to have a solid understanding of the knowledge and skills required for safe operation of double/triple trailers.
Additionally, the Florida CDL Handbook provides comprehensive information on the knowledge and skills required to operate commercial vehicles with double/triple trailers. It is important to study and understand this information before attempting to take the Doubles/Triples endorsement tests.
In some cases, commercial trucking companies may also provide training for employees who need to obtain a Doubles/Triples endorsement. This training may include classroom instruction, hands-on driving experience, and safety procedures for operating commercial vehicles with multiple trailers.
Overall, while specific experience or training isn't required to obtain a CDL Doubles/Triples endorsement in Florida, it is important to have a solid understanding of the knowledge and skills required for safe operation of double/triple trailers.
Yes, to obtain a CDL Doubles/Triples endorsement in Florida, you must pass a written test in addition to the general knowledge exam required for a regular CDL. The Doubles/Triples endorsement written test is designed to assess your knowledge of safe driving practices when operating commercial vehicles with double/triple trailers.
The written test covers topics such as:
- How to couple and uncouple double/triple trailers
- How to inspect double/triple trailers for safety
- How to safely drive with multiple trailers
- How to control and maneuver double/triple trailers
In Florida, the endorsement knowledge test consists of 20 multiple-choice questions, and you must answer at least 16 questions correctly to pass. The test is administered at a Florida Department of Highway Safety and Motor Vehicles (DHSMV) office or an authorized third-party testing location.
It is important to study the Florida CDL Handbook and other study materials before taking the Doubles/Triples endorsement written test. Many truck driving schools offer training specifically for the Doubles/Triples endorsement, which can help you prepare for the written test as well as the skills test required to obtain the endorsement.
The written test covers topics such as:
- How to couple and uncouple double/triple trailers
- How to inspect double/triple trailers for safety
- How to safely drive with multiple trailers
- How to control and maneuver double/triple trailers
In Florida, the endorsement knowledge test consists of 20 multiple-choice questions, and you must answer at least 16 questions correctly to pass. The test is administered at a Florida Department of Highway Safety and Motor Vehicles (DHSMV) office or an authorized third-party testing location.
It is important to study the Florida CDL Handbook and other study materials before taking the Doubles/Triples endorsement written test. Many truck driving schools offer training specifically for the Doubles/Triples endorsement, which can help you prepare for the written test as well as the skills test required to obtain the endorsement.
To obtain a CDL Doubles/Triples endorsement in Florida, you must pass a skills test that includes several specific maneuvers designed to assess your ability to safely operate a commercial vehicle with double/triple trailers. The skills test consists of three parts:
1. Vehicle Inspection: You will be required to perform a thorough inspection of the double/triple trailers, including coupling and uncoupling the trailers and ensuring that all safety equipment is in good working condition.
2. Basic Control Skills: You will be asked to perform several maneuvers that demonstrate your ability to control the double/triple trailers, including:
- Straight line backing
- Alley dock backing
- Offset back/right
- Parallel park
3. On-Road Driving: You will be required to drive with double/triple trailers on public roads, while demonstrating your ability to safely operate the vehicle in traffic and navigate common driving situations.
During the skills test, you will be evaluated on your ability to safely control and operate the commercial vehicle with double/triple trailers, including your use of mirrors and other safety equipment, your knowledge of traffic laws and regulations, and your ability to maintain control of the vehicle in various driving scenarios.
It is important to practice these maneuvers extensively before taking the skills test. Many truck driving schools offer training specifically for the Doubles/Triples endorsement, which can help you prepare for both the written test and the skills test.
1. Vehicle Inspection: You will be required to perform a thorough inspection of the double/triple trailers, including coupling and uncoupling the trailers and ensuring that all safety equipment is in good working condition.
2. Basic Control Skills: You will be asked to perform several maneuvers that demonstrate your ability to control the double/triple trailers, including:
- Straight line backing
- Alley dock backing
- Offset back/right
- Parallel park
3. On-Road Driving: You will be required to drive with double/triple trailers on public roads, while demonstrating your ability to safely operate the vehicle in traffic and navigate common driving situations.
During the skills test, you will be evaluated on your ability to safely control and operate the commercial vehicle with double/triple trailers, including your use of mirrors and other safety equipment, your knowledge of traffic laws and regulations, and your ability to maintain control of the vehicle in various driving scenarios.
It is important to practice these maneuvers extensively before taking the skills test. Many truck driving schools offer training specifically for the Doubles/Triples endorsement, which can help you prepare for both the written test and the skills test.
No, you cannot operate a commercial vehicle with double/triple trailers without a CDL Doubles/Triples endorsement in Florida. A CDL Doubles/Triples endorsement is required to operate a commercial vehicle with two or three trailers that are connected to each other.
It is important to note that the requirements for a CDL Doubles/Triples endorsement vary by state, so it is important to check the specific requirements in your state if you plan to operate double/triple trailers in other states.
Without a CDL Doubles/Triples endorsement, you may only operate a commercial vehicle with one trailer or no trailer. If you are caught operating a commercial vehicle with double/triple trailers without the proper endorsement, you may face penalties such as fines and suspension or revocation of your CDL license. Additionally, operating a commercial vehicle without the proper training and endorsements can be dangerous and puts yourself and others on the road at risk.
It is important to note that the requirements for a CDL Doubles/Triples endorsement vary by state, so it is important to check the specific requirements in your state if you plan to operate double/triple trailers in other states.
Without a CDL Doubles/Triples endorsement, you may only operate a commercial vehicle with one trailer or no trailer. If you are caught operating a commercial vehicle with double/triple trailers without the proper endorsement, you may face penalties such as fines and suspension or revocation of your CDL license. Additionally, operating a commercial vehicle without the proper training and endorsements can be dangerous and puts yourself and others on the road at risk.
You can add a CDL Doubles/Triples endorsement to your existing CDL license in Florida. To do so, you must pass the Doubles/Triples endorsement knowledge test and skills test, and pay the required fees.
Here are the steps to add a CDL Doubles/Triples endorsement to your existing CDL license in Florida:
1. Study for the Doubles/Triples endorsement knowledge test by reviewing the Florida CDL Handbook and taking practice tests.
2. Visit a Florida Department of Highway Safety and Motor Vehicles (DHSMV) office and take the Doubles/Triples endorsement knowledge test. You must score at least 80% to pass.
3. Schedule and pass the Doubles/Triples endorsement skills test. The skills test includes a vehicle inspection, basic control skills, and an on-road driving test with double/triple trailers.
4. Pay the required fees for adding the Doubles/Triples endorsement to your CDL license.
Once you have completed these steps, your CDL license will be updated to include the Doubles/Triples endorsement. It is important to note that you must already have a valid Class A CDL license in order to add a Doubles/Triples endorsement - this endorsement cannot be added to a Class B or Class C CDL license.
Here are the steps to add a CDL Doubles/Triples endorsement to your existing CDL license in Florida:
1. Study for the Doubles/Triples endorsement knowledge test by reviewing the Florida CDL Handbook and taking practice tests.
2. Visit a Florida Department of Highway Safety and Motor Vehicles (DHSMV) office and take the Doubles/Triples endorsement knowledge test. You must score at least 80% to pass.
3. Schedule and pass the Doubles/Triples endorsement skills test. The skills test includes a vehicle inspection, basic control skills, and an on-road driving test with double/triple trailers.
4. Pay the required fees for adding the Doubles/Triples endorsement to your CDL license.
Once you have completed these steps, your CDL license will be updated to include the Doubles/Triples endorsement. It is important to note that you must already have a valid Class A CDL license in order to add a Doubles/Triples endorsement - this endorsement cannot be added to a Class B or Class C CDL license.
Yes, there are restrictions for drivers with a CDL Doubles/Triples endorsement in Florida.
Firstly, drivers with a Doubles/Triples endorsement may only operate commercial vehicles with two or three trailers that are connected to each other. They are not permitted to operate any other type of commercial vehicle.
Secondly, drivers with a Doubles/Triples endorsement are subject to weight restrictions. The combined weight of the tractor and trailers cannot exceed 80,000 pounds, except for certain exemptions allowed by the Federal Motor Carrier Safety Administration (FMCSA).
Thirdly, drivers with a Doubles/Triples endorsement must also adhere to certain length restrictions. The combined length of the tractor and trailers cannot exceed 28 feet for each trailer.
Finally, drivers with a Doubles/Triples endorsement must also follow specific routes and highways designated for commercial vehicles with double/triple trailers.
It is important for drivers with a CDL Doubles/Triples endorsement to be aware of these restrictions and limitations and to follow all applicable rules and regulations when operating commercial vehicles with double/triple trailers. Failure to do so can result in penalties such as fines or suspension/revocation of the CDL license.
Firstly, drivers with a Doubles/Triples endorsement may only operate commercial vehicles with two or three trailers that are connected to each other. They are not permitted to operate any other type of commercial vehicle.
Secondly, drivers with a Doubles/Triples endorsement are subject to weight restrictions. The combined weight of the tractor and trailers cannot exceed 80,000 pounds, except for certain exemptions allowed by the Federal Motor Carrier Safety Administration (FMCSA).
Thirdly, drivers with a Doubles/Triples endorsement must also adhere to certain length restrictions. The combined length of the tractor and trailers cannot exceed 28 feet for each trailer.
Finally, drivers with a Doubles/Triples endorsement must also follow specific routes and highways designated for commercial vehicles with double/triple trailers.
It is important for drivers with a CDL Doubles/Triples endorsement to be aware of these restrictions and limitations and to follow all applicable rules and regulations when operating commercial vehicles with double/triple trailers. Failure to do so can result in penalties such as fines or suspension/revocation of the CDL license.
In Florida, drivers with a CDL Doubles/Triples endorsement are subject to weight and length restrictions when operating double/triple trailers. The maximum weight and length limits are as follows:
1. Weight Limits: The combined weight of the tractor and trailers cannot exceed 80,000 pounds, which is the federal weight limit for commercial vehicles. However, there are certain exemptions allowed by the Federal Motor Carrier Safety Administration (FMCSA) for specific types of cargo and vehicles.
2. Length Limits: The combined length of the tractor and trailers cannot exceed 28 feet for each trailer. This means that a driver with a Doubles/Triples endorsement can operate a vehicle with two 28-foot trailers or three 28-foot trailers.
It is important to note that these weight and length limits only apply to drivers with a CDL Doubles/Triples endorsement who are operating double/triple trailers. Drivers who do not have this endorsement are not permitted to operate commercial vehicles with two or three trailers connected to each other. Drivers with a Doubles/Triples endorsement must also follow specific routes and highways designated for commercial vehicles with double/triple trailers.
1. Weight Limits: The combined weight of the tractor and trailers cannot exceed 80,000 pounds, which is the federal weight limit for commercial vehicles. However, there are certain exemptions allowed by the Federal Motor Carrier Safety Administration (FMCSA) for specific types of cargo and vehicles.
2. Length Limits: The combined length of the tractor and trailers cannot exceed 28 feet for each trailer. This means that a driver with a Doubles/Triples endorsement can operate a vehicle with two 28-foot trailers or three 28-foot trailers.
It is important to note that these weight and length limits only apply to drivers with a CDL Doubles/Triples endorsement who are operating double/triple trailers. Drivers who do not have this endorsement are not permitted to operate commercial vehicles with two or three trailers connected to each other. Drivers with a Doubles/Triples endorsement must also follow specific routes and highways designated for commercial vehicles with double/triple trailers.
Yes, there are specific safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement must follow when driving double/triple trailers. Here are some of the most important ones:
1. Pre-Trip Inspection: Drivers must perform a thorough pre-trip inspection of the entire vehicle, including all trailers and connections, before starting their journey. This is to ensure that all equipment is in good working condition and that there are no safety hazards.
2. Coupling and Uncoupling: Drivers must be trained in proper coupling and uncoupling procedures for double/triple trailers. It is important to ensure that all connections are secure and that the weight of the cargo is evenly distributed across all trailers.
3. Speed Limits: Drivers must adhere to posted speed limits and adjust their speed according to road conditions, weather, and traffic volume. Double/triple trailers require more time to stop and maneuver than single vehicles, so it is important to drive at a safe speed.
4. Lane Usage: Drivers with double/triple trailers should only use the right-hand lane on highways unless they are passing another vehicle or preparing to make a left-hand turn.
5. Braking Systems: Double/triple trailers require specialized braking systems to ensure safe stopping distances. Drivers must be trained in the proper use of these systems.
6. Following Distance: Drivers should maintain a safe following distance from other vehicles on the road, as it takes longer to stop with double/triple trailers.
7. Route Planning: Drivers should plan their route carefully, taking into account any weight or length restrictions on roads or bridges.
It is important for drivers with a CDL Doubles/Triples endorsement to follow these safety regulations and considerations in order to ensure the safe operation of their vehicle and protect themselves and other road users from harm.
1. Pre-Trip Inspection: Drivers must perform a thorough pre-trip inspection of the entire vehicle, including all trailers and connections, before starting their journey. This is to ensure that all equipment is in good working condition and that there are no safety hazards.
2. Coupling and Uncoupling: Drivers must be trained in proper coupling and uncoupling procedures for double/triple trailers. It is important to ensure that all connections are secure and that the weight of the cargo is evenly distributed across all trailers.
3. Speed Limits: Drivers must adhere to posted speed limits and adjust their speed according to road conditions, weather, and traffic volume. Double/triple trailers require more time to stop and maneuver than single vehicles, so it is important to drive at a safe speed.
4. Lane Usage: Drivers with double/triple trailers should only use the right-hand lane on highways unless they are passing another vehicle or preparing to make a left-hand turn.
5. Braking Systems: Double/triple trailers require specialized braking systems to ensure safe stopping distances. Drivers must be trained in the proper use of these systems.
6. Following Distance: Drivers should maintain a safe following distance from other vehicles on the road, as it takes longer to stop with double/triple trailers.
7. Route Planning: Drivers should plan their route carefully, taking into account any weight or length restrictions on roads or bridges.
It is important for drivers with a CDL Doubles/Triples endorsement to follow these safety regulations and considerations in order to ensure the safe operation of their vehicle and protect themselves and other road users from harm.
