Iowa CDL Doubles and Triples Test

Master the skills for operating double and triple trailer combinations safely and legally.

20 Questions
16/20 to Pass
25 Minutes
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About the Doubles and Triples Test

Master the skills for operating double and triple trailer combinations safely and legally.

Test Requirements

  • Number of questions: 20
  • Correct answers to pass: 16 out of 20
  • Passing score: 80%
  • Time limit: 25 minutes

Iowa DMV Information

Iowa Department of Transportation – Motor Vehicle Division

Visit IA DMV Website