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 Maine 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. If backing a truck:
Explanation
If you must drive in reverse, you should first walk around your vehicle to look at the path of travel and check for obstacles. Because mirrors have blind spots, you cannot rely exclusively on them. It is recommended to use a helper whenever possible.
2. If approaching a railroad crossing that is being approached by a train, you should:
Explanation
Never attempt to beat a train to a railroad crossing. It is very difficult to accurately judge the speed of an approaching train. If you come upon a crossing that is being approached by a train, you must stop and wait for the train to pass before you attempt to cross the tracks.
3. The only way to sober up after consuming alcohol is to:
Explanation
Most alcohol is removed from the body by the liver, which processes alcohol at a fixed rate. Despite popular belief, techniques like drinking black coffee or taking a cold shower will not accelerate this process. The only thing you can do to become sober after drinking is allow your body the time it needs to eliminate the alcohol from your system.
4. What tells you how much pressure is in your vehicle's air tanks?
Explanation
A vehicle that is equipped with air brakes must also be equipped with a supply pressure gauge. This gauge tells the driver how much air pressure is in each of the vehicle's air tanks.
5. On a slippery road, a driver should:
Explanation
Under slippery conditions, you should drive slowly and smoothly. Make turns as gently as possible and do not pass other vehicles unless you have to.
6. After an accident, flares should be used with caution because:
Explanation
A common cause of vehicle fires in the aftermath of an accident is the improper use of flares near spilled fuel. Use flares with caution.
7. Routine vehicle inspections should be done to ensure:
Explanation
The most important reason to inspect your vehicle is to ensure the safety of yourself and other road users.
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Frequently Asked Questions
To obtain a CDL Doubles/Triples endorsement in Maine, you must follow these steps:
1. Get a Maine Commercial Driver's License (CDL): You must have a valid Maine CDL or apply for one if you don't have it yet. To obtain a CDL, you must pass the knowledge and skills tests and meet other requirements such as age, medical certification, and driving record.
2. Study the Maine CDL Manual: Obtain a copy of the Maine Commercial Driver License Manual and study the Doubles/Triples section thoroughly. You can download the manual from the Maine Bureau of Motor Vehicles website or pick up a copy at any BMV office.
3. Practice driving doubles/triples vehicles: You must have experience operating doubles/triples vehicles before taking the endorsement test. This can be accomplished through on-the-job training or by practicing with a licensed driver.
4. Schedule an appointment: The next step is to schedule an appointment to take the Doubles/Triples endorsement test at any Maine BMV office. Call your local BMV office or schedule online through the online scheduling system.
5. Pass the Doubles/Triples endorsement test: The test consists of both a written knowledge test and a driving skills test. You must pass both tests to get your endorsement.
6. Pay the fee: Once you pass the test, you will need to pay the appropriate fee for your new endorsement. The fee is $35 for each endorsement.
7. Receive your new CDL with Doubles/Triples endorsement: After completing all these steps, you will receive your new CDL with Doubles/Triples endorsement in the mail within 7-10 business days.
It's important to note that obtaining a CDL Doubles/Triples endorsement requires additional training and experience beyond obtaining a standard CDL license. Therefore, it's essential to follow all safety guidelines and regulations while operating these vehicles to prevent accidents and ensure safety on the road.
1. Get a Maine Commercial Driver's License (CDL): You must have a valid Maine CDL or apply for one if you don't have it yet. To obtain a CDL, you must pass the knowledge and skills tests and meet other requirements such as age, medical certification, and driving record.
2. Study the Maine CDL Manual: Obtain a copy of the Maine Commercial Driver License Manual and study the Doubles/Triples section thoroughly. You can download the manual from the Maine Bureau of Motor Vehicles website or pick up a copy at any BMV office.
3. Practice driving doubles/triples vehicles: You must have experience operating doubles/triples vehicles before taking the endorsement test. This can be accomplished through on-the-job training or by practicing with a licensed driver.
4. Schedule an appointment: The next step is to schedule an appointment to take the Doubles/Triples endorsement test at any Maine BMV office. Call your local BMV office or schedule online through the online scheduling system.
5. Pass the Doubles/Triples endorsement test: The test consists of both a written knowledge test and a driving skills test. You must pass both tests to get your endorsement.
6. Pay the fee: Once you pass the test, you will need to pay the appropriate fee for your new endorsement. The fee is $35 for each endorsement.
7. Receive your new CDL with Doubles/Triples endorsement: After completing all these steps, you will receive your new CDL with Doubles/Triples endorsement in the mail within 7-10 business days.
It's important to note that obtaining a CDL Doubles/Triples endorsement requires additional training and experience beyond obtaining a standard CDL license. Therefore, it's essential to follow all safety guidelines and regulations while operating these vehicles to prevent accidents and ensure safety on the road.
To obtain a CDL Doubles/Triples license in Maine, you must meet the following requirements:
1. Age: You must be at least 21 years old to operate a commercial vehicle that transports hazardous materials across state lines or double/triple trailers. However, if you are 18 years old, you may obtain a CDL and drive within the state of Maine only.
2. Valid CDL: You must have a valid Maine CDL or apply for one if you don't have it yet.
3. Medical Certification: You must pass a medical examination and be certified by a medical professional as physically fit to operate a commercial vehicle.
4. Driving Record: You must have a good driving record and not have any serious traffic violations or convictions.
5. Knowledge Test: You must pass a written knowledge test on doubles/triples vehicles and safety regulations.
6. Skills Test: You must pass a skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving test in a double/triple vehicle.
7. Endorsement Fee: You must pay the appropriate fee for your new endorsement ($35 for each endorsement).
It's important to note that obtaining a CDL Doubles/Triples endorsement requires additional training and experience beyond obtaining a standard CDL license. Therefore, it's essential to follow all safety guidelines and regulations while operating these vehicles to prevent accidents and ensure safety on the road.
1. Age: You must be at least 21 years old to operate a commercial vehicle that transports hazardous materials across state lines or double/triple trailers. However, if you are 18 years old, you may obtain a CDL and drive within the state of Maine only.
2. Valid CDL: You must have a valid Maine CDL or apply for one if you don't have it yet.
3. Medical Certification: You must pass a medical examination and be certified by a medical professional as physically fit to operate a commercial vehicle.
4. Driving Record: You must have a good driving record and not have any serious traffic violations or convictions.
5. Knowledge Test: You must pass a written knowledge test on doubles/triples vehicles and safety regulations.
6. Skills Test: You must pass a skills test that includes a pre-trip inspection, basic vehicle control, and on-road driving test in a double/triple vehicle.
7. Endorsement Fee: You must pay the appropriate fee for your new endorsement ($35 for each endorsement).
It's important to note that obtaining a CDL Doubles/Triples endorsement requires additional training and experience beyond obtaining a standard CDL license. Therefore, it's essential to follow all safety guidelines and regulations while operating these vehicles to prevent accidents and ensure safety on the road.
Yes, you need specific experience and training to obtain a CDL Doubles/Triples endorsement in Maine. The Maine Bureau of Motor Vehicles requires that you have a certain level of knowledge and experience before getting this endorsement. Here are the specific requirements:
1. Hold a valid CDL: You must have a valid Maine Commercial Driver's License (CDL) to apply for the Doubles/Triples endorsement.
2. Have at least one year of experience: You must have at least one year of experience driving a commercial vehicle before applying for the Doubles/Triples endorsement.
3. Pass the CDL skills test: You must pass the CDL skills test in a vehicle with double or triple trailers.
4. Pass the written knowledge test: You must pass the written knowledge test for Doubles/Triples vehicles. This test is available at any Maine BMV office.
5. Get training: You may need additional training to operate a vehicle with double or triple trailers safely and efficiently. Some commercial driving schools offer specialized training for this type of operation.
It's important to note that operating a commercial vehicle with double or triple trailers is more challenging than operating a single trailer vehicle, and it requires additional skills and knowledge. Therefore, it's crucial to receive proper training and practice driving these vehicles before taking the endorsement test to ensure safety on the road.
1. Hold a valid CDL: You must have a valid Maine Commercial Driver's License (CDL) to apply for the Doubles/Triples endorsement.
2. Have at least one year of experience: You must have at least one year of experience driving a commercial vehicle before applying for the Doubles/Triples endorsement.
3. Pass the CDL skills test: You must pass the CDL skills test in a vehicle with double or triple trailers.
4. Pass the written knowledge test: You must pass the written knowledge test for Doubles/Triples vehicles. This test is available at any Maine BMV office.
5. Get training: You may need additional training to operate a vehicle with double or triple trailers safely and efficiently. Some commercial driving schools offer specialized training for this type of operation.
It's important to note that operating a commercial vehicle with double or triple trailers is more challenging than operating a single trailer vehicle, and it requires additional skills and knowledge. Therefore, it's crucial to receive proper training and practice driving these vehicles before taking the endorsement test to ensure safety on the road.
Yes, in Maine, you are required to pass an additional written test to obtain a CDL Doubles/Triples endorsement. This written test will cover specific information related to the operation of vehicles with double or triple trailers.
The written test will cover the following topics:
1. Coupling and uncoupling of double or triple trailers
2. Inspecting double or triple trailers
3. Safety precautions and driving techniques for double or triple trailers
4. How to prevent rollovers and jackknifes when driving a double or triple trailer
5. How to handle emergency situations when driving a double or triple trailer
To pass the written test, you will need to study the Maine Commercial Driver License Manual, paying close attention to the sections that cover doubles/triples vehicles. You can get a copy of this manual from any Maine Bureau of Motor Vehicles office, or you can download it from the Maine BMV website.
Once you have studied the manual, you can take the written test at any Maine BMV office that offers CDL testing. Once you have passed the written test, you can then take the CDL skills test in a vehicle with double or triple trailers to complete your endorsement requirements.
The written test will cover the following topics:
1. Coupling and uncoupling of double or triple trailers
2. Inspecting double or triple trailers
3. Safety precautions and driving techniques for double or triple trailers
4. How to prevent rollovers and jackknifes when driving a double or triple trailer
5. How to handle emergency situations when driving a double or triple trailer
To pass the written test, you will need to study the Maine Commercial Driver License Manual, paying close attention to the sections that cover doubles/triples vehicles. You can get a copy of this manual from any Maine Bureau of Motor Vehicles office, or you can download it from the Maine BMV website.
Once you have studied the manual, you can take the written test at any Maine BMV office that offers CDL testing. Once you have passed the written test, you can then take the CDL skills test in a vehicle with double or triple trailers to complete your endorsement requirements.
In Maine, to obtain a CDL Doubles/Triples endorsement, you will need to demonstrate specific skills and maneuvers during the CDL skills test. Here are the maneuvers you will be asked to perform:
1. Pre-trip inspection: You will need to demonstrate your knowledge of the proper pre-trip inspection procedures for double or triple trailers. This includes checking the coupling devices, inspecting the trailer brakes and lights, and ensuring that the cargo is properly secured.
2. Coupling and uncoupling: You will need to show that you know how to properly couple and uncouple double or triple trailers. This includes connecting and disconnecting the air lines, electrical connections, and safety chains.
3. Straight-line backing: You will need to back up your vehicle in a straight line for a distance of at least 100 feet.
4. Offset backing: You will need to back up your vehicle into a space that is offset to the left or right. The space will be 9 feet wide and 20 feet long.
5. Parallel parking: You will need to parallel park your vehicle between two cones that are 30 feet apart.
6. Driving a double or triple trailer: You will need to demonstrate your ability to safely drive a vehicle with double or triple trailers on public roads. This includes making turns, changing lanes, and maintaining proper following distance.
During the skills test, you will be graded on your ability to perform each maneuver safely and efficiently according to Maine's CDL standards. It's important to practice each maneuver thoroughly until you feel confident in your ability to perform them on test day.
1. Pre-trip inspection: You will need to demonstrate your knowledge of the proper pre-trip inspection procedures for double or triple trailers. This includes checking the coupling devices, inspecting the trailer brakes and lights, and ensuring that the cargo is properly secured.
2. Coupling and uncoupling: You will need to show that you know how to properly couple and uncouple double or triple trailers. This includes connecting and disconnecting the air lines, electrical connections, and safety chains.
3. Straight-line backing: You will need to back up your vehicle in a straight line for a distance of at least 100 feet.
4. Offset backing: You will need to back up your vehicle into a space that is offset to the left or right. The space will be 9 feet wide and 20 feet long.
5. Parallel parking: You will need to parallel park your vehicle between two cones that are 30 feet apart.
6. Driving a double or triple trailer: You will need to demonstrate your ability to safely drive a vehicle with double or triple trailers on public roads. This includes making turns, changing lanes, and maintaining proper following distance.
During the skills test, you will be graded on your ability to perform each maneuver safely and efficiently according to Maine's CDL standards. It's important to practice each maneuver thoroughly until you feel confident in your ability to perform them on test day.
No, in Maine, you cannot operate a commercial motor vehicle with double or triple trailers unless you have a valid CDL Doubles/Triples endorsement on your commercial driver's license. Operating a vehicle with double or triple trailers without the proper endorsement is considered a violation of Maine's CDL laws and can result in fines, license suspension, and other penalties.
To obtain a CDL Doubles/Triples endorsement, you must pass both a written test and a skills test that specifically covers the operation of vehicles with double or triple trailers. You will be required to demonstrate your knowledge of the safe operation of these vehicles, as well as your ability to perform specific maneuvers such as coupling and uncoupling, backing up, and driving on public roads.
It's important to note that operating vehicles with double or triple trailers requires additional knowledge and skills beyond those required for a standard commercial driver's license. Double and triple trailers are more difficult to maneuver and can pose unique safety challenges on the road. By obtaining the proper endorsement and demonstrating your proficiency in operating these vehicles safely, you can help ensure the safety of yourself and others on the road.
To obtain a CDL Doubles/Triples endorsement, you must pass both a written test and a skills test that specifically covers the operation of vehicles with double or triple trailers. You will be required to demonstrate your knowledge of the safe operation of these vehicles, as well as your ability to perform specific maneuvers such as coupling and uncoupling, backing up, and driving on public roads.
It's important to note that operating vehicles with double or triple trailers requires additional knowledge and skills beyond those required for a standard commercial driver's license. Double and triple trailers are more difficult to maneuver and can pose unique safety challenges on the road. By obtaining the proper endorsement and demonstrating your proficiency in operating these vehicles safely, you can help ensure the safety of yourself and others on the road.
In Maine, you can add the CDL Doubles/Triples endorsement to your existing commercial driver's license (CDL) by passing the required knowledge and skills tests and paying the appropriate fees. You do not need to apply for a new CDL license.
To add the CDL Doubles/Triples endorsement, you will need to pass a written knowledge test that specifically covers the operation of vehicles with double or triple trailers. Once you pass the written test, you will need to pass a skills test that includes specific maneuvers such as coupling and uncoupling, backing up, and driving on public roads with double or triple trailers.
Once you have passed both tests, you can pay the appropriate fees to have the CDL Doubles/Triples endorsement added to your existing CDL license. You will receive a new license with the endorsement listed on it.
It's important to note that adding the CDL Doubles/Triples endorsement requires additional knowledge and skills beyond those required for a standard commercial driver's license. It's essential that you prepare thoroughly for both the written and skills tests to ensure that you are ready to operate vehicles with double or triple trailers safely and effectively.
To add the CDL Doubles/Triples endorsement, you will need to pass a written knowledge test that specifically covers the operation of vehicles with double or triple trailers. Once you pass the written test, you will need to pass a skills test that includes specific maneuvers such as coupling and uncoupling, backing up, and driving on public roads with double or triple trailers.
Once you have passed both tests, you can pay the appropriate fees to have the CDL Doubles/Triples endorsement added to your existing CDL license. You will receive a new license with the endorsement listed on it.
It's important to note that adding the CDL Doubles/Triples endorsement requires additional knowledge and skills beyond those required for a standard commercial driver's license. It's essential that you prepare thoroughly for both the written and skills tests to ensure that you are ready to operate vehicles with double or triple trailers safely and effectively.
Yes, there are restrictions and limitations for drivers with a CDL Doubles/Triples endorsement in Maine. These restrictions and limitations are designed to ensure the safe operation of commercial motor vehicles with double or triple trailers.
Some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement include:
1. Maximum length: The maximum length of a vehicle combination with double or triple trailers is 28 feet per trailer.
2. Maximum weight: The maximum gross vehicle weight (GVW) for a vehicle combination with double or triple trailers is 80,000 pounds.
3. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills, including maneuvering the vehicle combination safely through turns, backing up, and stopping.
4. Special safety equipment: Vehicles with double or triple trailers must have special safety equipment, including underride guards and reflective tape.
5. Speed limit: Drivers with a CDL Doubles/Triples endorsement must obey posted speed limits and drive at safe speeds for road conditions.
It's important to note that violating these restrictions and limitations can result in fines, license suspension, and other penalties. It's essential that drivers with a CDL Doubles/Triples endorsement are familiar with these restrictions and limitations and operate their vehicles safely and responsibly to ensure their own safety and the safety of others on the road.
Some of the restrictions and limitations for drivers with a CDL Doubles/Triples endorsement include:
1. Maximum length: The maximum length of a vehicle combination with double or triple trailers is 28 feet per trailer.
2. Maximum weight: The maximum gross vehicle weight (GVW) for a vehicle combination with double or triple trailers is 80,000 pounds.
3. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills, including maneuvering the vehicle combination safely through turns, backing up, and stopping.
4. Special safety equipment: Vehicles with double or triple trailers must have special safety equipment, including underride guards and reflective tape.
5. Speed limit: Drivers with a CDL Doubles/Triples endorsement must obey posted speed limits and drive at safe speeds for road conditions.
It's important to note that violating these restrictions and limitations can result in fines, license suspension, and other penalties. It's essential that drivers with a CDL Doubles/Triples endorsement are familiar with these restrictions and limitations and operate their vehicles safely and responsibly to ensure their own safety and the safety of others on the road.
In Maine, the maximum weight limit for a vehicle combination with double or triple trailers and a CDL Doubles/Triples endorsement is 80,000 pounds. This is the same weight limit as for other commercial motor vehicles with a standard CDL license.
Regarding the maximum length limits, the total length of a vehicle combination with double or triple trailers, with or without the truck tractor, is limited to 68 feet. This includes both the length of each trailer and the distance between each trailer.
Additionally, the length of each trailer is limited to 28 feet. This means that if you are operating a vehicle combination with double trailers, each trailer cannot exceed 28 feet in length. If you are operating a vehicle combination with triple trailers, each trailer cannot exceed 28 feet in length and the total length of all three trailers cannot exceed 68 feet.
It's important to note that these limits are in place to ensure the safe operation of commercial motor vehicles on Maine roads. Exceeding these limits can result in fines, license suspension, and other penalties. It's essential that drivers with a CDL Doubles/Triples endorsement are familiar with these limits and operate their vehicles safely and responsibly to ensure their own safety and the safety of others on the road.
Regarding the maximum length limits, the total length of a vehicle combination with double or triple trailers, with or without the truck tractor, is limited to 68 feet. This includes both the length of each trailer and the distance between each trailer.
Additionally, the length of each trailer is limited to 28 feet. This means that if you are operating a vehicle combination with double trailers, each trailer cannot exceed 28 feet in length. If you are operating a vehicle combination with triple trailers, each trailer cannot exceed 28 feet in length and the total length of all three trailers cannot exceed 68 feet.
It's important to note that these limits are in place to ensure the safe operation of commercial motor vehicles on Maine roads. Exceeding these limits can result in fines, license suspension, and other penalties. It's essential that drivers with a CDL Doubles/Triples endorsement are familiar with these limits and operate their vehicles safely and responsibly to ensure their own safety and the safety of others on the road.
Yes, there are specific safety considerations and regulations for driving double/triple trailers with a CDL Doubles/Triples endorsement in Maine. These regulations are in place to ensure the safety of the driver, other motorists, and pedestrians.
Here are some safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement should be aware of:
1. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills, which include the ability to maneuver the vehicle combination safely through turns, backing up, and stopping.
2. Special equipment: Vehicles with double or triple trailers must have special equipment, including underride guards and reflective tape. These safety features help to prevent accidents by increasing visibility and helping other motorists to see the large commercial vehicle on the road.
3. Weight distribution: When driving a vehicle combination with double or triple trailers, it's important to ensure that the weight is distributed evenly across all axles. This helps to prevent overloading and improves stability on the road.
4. Speed limit: Drivers with a CDL Doubles/Triples endorsement must obey posted speed limits and drive at safe speeds for road conditions. Due to the size and weight of these vehicles, it's important to drive at a safe speed that allows for proper braking and maneuvering.
5. Following distance: It's recommended that drivers maintain a greater following distance when driving a vehicle combination with double or triple trailers. This allows for more time to react to unexpected changes in traffic flow or road conditions.
In addition to these safety considerations, drivers with a CDL Doubles/Triples endorsement should always be aware of their surroundings and maintain proper communication with other motorists on the road. By following these regulations and practicing safe driving habits, drivers can help to prevent accidents and ensure their own safety and the safety of others on the road.
Here are some safety considerations and regulations that drivers with a CDL Doubles/Triples endorsement should be aware of:
1. Special driving skills: Drivers with a CDL Doubles/Triples endorsement must have special driving skills, which include the ability to maneuver the vehicle combination safely through turns, backing up, and stopping.
2. Special equipment: Vehicles with double or triple trailers must have special equipment, including underride guards and reflective tape. These safety features help to prevent accidents by increasing visibility and helping other motorists to see the large commercial vehicle on the road.
3. Weight distribution: When driving a vehicle combination with double or triple trailers, it's important to ensure that the weight is distributed evenly across all axles. This helps to prevent overloading and improves stability on the road.
4. Speed limit: Drivers with a CDL Doubles/Triples endorsement must obey posted speed limits and drive at safe speeds for road conditions. Due to the size and weight of these vehicles, it's important to drive at a safe speed that allows for proper braking and maneuvering.
5. Following distance: It's recommended that drivers maintain a greater following distance when driving a vehicle combination with double or triple trailers. This allows for more time to react to unexpected changes in traffic flow or road conditions.
In addition to these safety considerations, drivers with a CDL Doubles/Triples endorsement should always be aware of their surroundings and maintain proper communication with other motorists on the road. By following these regulations and practicing safe driving habits, drivers can help to prevent accidents and ensure their own safety and the safety of others on the road.
