Idaho Doubles & Triples CDL Practice Test
Practice for your Doubles & Triples CDL exam with questions based on the official Idaho CDL handbook
Updated: August 2026
What's on the Idaho Doubles & Triples CDL test
Answering from memory beats re-reading — retrieval practice roughly doubles what you remember a week later. These free questions are modeled on the official Doubles & Triples CDL knowledge test.
- Questions
- 20
- To pass
- 16/20 correct (80%)
- Updated
- June 2026
- 100% free
The Idaho CDL Doubles & Triples test follows the AAMVA standard used by most states: 20 questions, with 16 correct answers (80%) needed to pass. A CDL learner's permit in Idaho costs $29 (Idaho Transportation Department (ITD) – Division of Motor Vehicles fee schedule, June 2026).
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The Idaho Doubles & Triples test is one section of the Idaho CDL knowledge exam. For the full set — general knowledge questions, every endorsement section, and Idaho’s permit requirements in one place — go to the Idaho CDL practice test questions.
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About the Doubles & Triples Test in Idaho
The Doubles & Triples endorsement test is required in Idaho for drivers who pull double or triple trailers. It covers coupling and uncoupling multiple trailers, safe driving practices, and inspection procedures for multi-trailer rigs.
The Doubles & Triples test is part of the CDL written exam administered by the Idaho Department of Motor Vehicles. You must pass this test along with the other required written tests to receive your Commercial Learner's Permit (CLP) in Idaho.
Our practice questions are built from the official Idaho CDL handbook and federal FMCSA regulations. Each question includes a detailed explanation to help you understand the material, not just memorize answers.
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