Double #2
Double Triple Test | California 2026 #2
Train for FREE with our California 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 CA 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 . 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.
2 . When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:
When turning on your vehicle's engine, the lights on the dash should come on and then turn off. If the ABS malfunction light stays on, the system is not working properly. In the case of a truck with a trailer, if the yellow light on the left rear of the trailer stays on once the engine has been started, the system is not working properly.
3 . If a trailer's spring brakes do not release when you push the tractor air supply control, you should:
It is important that all of your vehicle's equipment is in proper working condition before you begin a trip. If a trailer's spring brakes do not release when you push in the tractor air supply control, you should make sure the air line connections are properly attached and sealed.
4 . During a trip, the ____ should be open.
When starting a trip, be sure that all shut-off valves are in the open position, except for the last valves on the rear trailer. It is important that air reaches the brakes on all trailers and that it is not able to escape from the back of the vehicle.
5 . A shut-off valve is:
Shut-off valves are used in air supply lines to control the passage of air from one trailer to another. The rear shut-off valve should always be closed to prevent air from leaving the braking system.
See the exact questions that will be on the 2026 California DMV exam.
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2026 California | Frequently Asked Questions
To secure a CDL Doubles/Triples endorsement in California, you must first possess a valid CDL. Then, you'll need to pass a written knowledge test about pulling double/triple trailers. This test covers topics such as coupling and uncoupling, inspecting doubles and triples, and handling these vehicles. After passing the test, the endorsement will be added to your CDL.
To obtain a CDL Doubles/Triples license in California, you must have a valid Class A CDL. You'll need to pass a written knowledge test specific to double/triple trailers. This test covers topics like coupling and uncoupling, inspecting doubles and triples, and handling. You don't need a special skills test for this endorsement.
While California doesn't require specific training to get a CDL Doubles/Triples endorsement, it's beneficial. Training can help you understand how to safely operate, couple/uncouple, and inspect these vehicles. You'll need to pass a written knowledge test, so studying is essential. Practical experience driving larger vehicles can also be beneficial for handling doubles/triples.
Yes, in California, to obtain a CDL Doubles/Triples endorsement, you must pass a written knowledge test specifically designed for this endorsement. The test covers topics such as safely pulling double/triple trailers, coupling and uncoupling, and inspecting these types of vehicles. This is in addition to the general CDL tests.
The CDL Doubles/Triples endorsement test in California is a written knowledge test, not a skills test. Therefore, you won't need to demonstrate any specific maneuvers. However, the test does cover topics such as coupling and uncoupling, inspecting doubles and triples, and handling these types of vehicles. Understanding these topics will be crucial to passing the test.
No, it's not permissible to operate double/triple trailers without a valid CDL Doubles/Triples endorsement in California. This endorsement is required by law for drivers who wish to operate a vehicle towing two or three trailers. Driving without the appropriate license or endorsement can result in serious penalties, including fines and suspension of your CDL.
You can add the CDL Doubles/Triples endorsement to your existing commercial driver's license. You don't need to initiate a new application for a license. However, you will need to pass the specific written test for the endorsement and pay any associated fees. Remember, the endorsement is added to your CDL, not your regular driver's license.
Yes, there are limitations for drivers with a CDL Doubles/Triples endorsement. They must only drive vehicles that they are licensed for, and must adhere to the maximum weight and length restrictions outlined by California law. Also, they must follow safety regulations such as conducting pre-trip inspections and adhering to hours-of-service rules. Violation of these rules can result in penalties or loss of the endorsement.
The maximum legal weight for any vehicle in California is 80,000 pounds, including double/triple trailers. The maximum legal length for a two-trailer combination is 75 feet, while a three-trailer combination is 65 feet. However, the length of the cargo in the trailer cannot exceed 53 feet. Exceeding these limits may require a special permit and could result in penalties.
Yes, drivers with a CDL Doubles/Triples endorsement must adhere to specific safety guidelines. These include conducting regular pre-trip inspections, securing cargo properly, maintaining safe following distances, and understanding the high rollover risk. Drivers must also comply with hours-of-service regulations to prevent fatigue-related accidents. Violating these safety rules can result in penalties or loss of endorsement.
