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Free SD CDL Double/Triple Trailers Practice Test 2024

Part of mandatory Entry-Level Driver Training Course Based on 2024 SD commercial driver's license manual Available in EN, ES

What to expect on the actual SD CDL exam

  • 20questions
  • 16correct answers to pass
  • 80%passing score

This CDL practice test is a great place to start if you’re after the SD Double/Triple Trailers endorsement. Each of the 20 questions is based on the official 2024 CDL manual. The test is designed to prepare you for the Double/Triple Trailers portion of your 2024 Commercial Driver’s License exam. There are several answer options, but only one of them is correct. Every time you answer a question, you’ll get immediate feedback with a detailed explanation, so you won’t need to wait until the end of the test to know the correct answers.

Master the Doubles and Triples endorsement with our test collection and get comprehensive insights from our endorsement guide.

For our strict accuracy and quality standards, see our Commitment to Accuracy.
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SD commercial driver's license

Perfect for

  • First-time SD CDL and CLP applicants
  • CDL holders adding endorsements
  • SD CDL renewal applicants

Helpful resources

SD CDL Handbook

View the most recent (2024) official SD CDL Handbook.

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SD CDL Practice Test App

Download our free iOS or Android app and practice for your driving test offline or on the go.

10 Things You Should Do Before Your Driving Knowledge Exam (PDF)

Many people do their best but still get to the DMV overconfident and underprepared because they fail to do some of the simple...

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