Double #1
Double Triple Test | Maryland 2026 #1
Train for FREE with our Maryland CDL double triple practice test online. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a MD CDL double triple license in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that DMV requirements may vary from state to state.
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1 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:
In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.
2 . If manufactured after 1998, converter dollies on doubles and triples:
Converter dollies built on or after March 1, 1998 are required to be equipped with anti-lock brakes.
3 . The parking brake in a newer vehicle is applied by:
In newer vehicles with air brakes, the parking brake is controlled by a yellow, diamond-shaped knob. The driver should pull the knob outward to apply the parking brakes and push the knob inward to release them.
4 . When backing a trailer, you must turn the steering wheel:
When backing a vehicle with a trailer, you must turn the steering wheel in the direction opposite of where you want to go. Once your trailer starts to turn, you should turn the steering wheel the other way to follow the trailer.
5 . A low air pressure warning signal should activate:
In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.
6 . When slowing down, you should ____ to warn other drivers
Before slowing down, it can be a good idea to lightly tap your brakes. This will cause your brake lights to flash, providing a warning to motorists behind you.
7 . Move over laws require:
If an emergency vehicle using its flashing lights is stopped on the side of a multilane road, move over laws require drivers to vacate the lane directly next to the vehicle, if possible. If a driver cannot move over safely, they must slow down and proceed with caution.
2026 Maryland | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Maryland, you must first have a valid CDL. Then, pass a Transportation Security Administration (TSA) background check. After clearance, study for the Hazmat knowledge test using the Maryland CDL Manual. Schedule and pass the knowledge test at a Maryland MVA office. Once passed, the Hazmat endorsement will be added to your CDL.
To obtain a CDL Hazmat license, you must first hold a valid Commercial Driver's License (CDL). You'll also need to pass a background check by the Transportation Security Administration (TSA), provide proof of U.S. citizenship or lawful permanent residency, and pass the Hazardous Materials Endorsement Knowledge Test. A medical examination ensuring you are physically fit to operate a commercial vehicle is also required.
When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or lawful permanent residency (passport, birth certificate, or green card), a valid Commercial Driver's License (CDL), and proof of Social Security number. You also need to complete a Hazardous Materials Endorsement application and submit to a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. This test covers topics related to the transport of hazardous materials, including handling procedures, emergency situations, and federal regulations. You must pass this Hazardous Materials Endorsement Knowledge Test to obtain the endorsement on your Commercial Driver's License (CDL).
The CDL Hazmat endorsement written test covers several topics, including: the identification of different types of hazardous materials, loading and unloading procedures, proper placarding and marking of vehicles, emergency response procedures in case of a hazardous material incident, and understanding the federal regulations related to hazardous materials transportation.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. These include a fee for the written test, a fee for the endorsement itself, and a fee for the required TSA background check. The exact cost can vary, so it's best to check with the Maryland Motor Vehicle Administration for current prices.
Yes, obtaining a CDL Hazmat endorsement requires a federal security threat assessment, which includes a background check. The Transportation Security Administration (TSA) conducts this check. It involves fingerprinting and reviewing criminal, immigration, and terrorism records to ensure the applicant doesn't pose a security risk.
Yes, specialized training is mandatory for the CDL Hazmat endorsement in Maryland. Applicants must pass a written test based on the information contained in the Hazardous Materials section of the CDL Manual. After passing the test, an applicant must undergo a TSA background check before the endorsement is granted.
No, you cannot transport hazardous materials without a valid CDL Hazmat endorsement in Maryland. This endorsement ensures that drivers have the necessary knowledge and training to handle such materials safely. Driving without the proper endorsement can result in significant fines and penalties.
Yes, you can add the CDL Hazmat endorsement to your current CDL license in Maryland. You don't need to apply for a new CDL. However, you must pass the Hazmat knowledge test and undergo a Transportation Security Administration (TSA) background check to obtain the endorsement.