Question 13 of 120

Which of the following is true about the doubles/triples endorsement?

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It is required in addition to a Class A CDL before pulling more than one trailer
It is only needed for trailers longer than 53 feet, not for shorter pup trailer combinations
It replaces the need for a Class A CDL entirely
It applies only to tank trailers

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Correct answer to question 13 (Doubles/Triples): It is required in addition to a Class A CDL before pulling more than one trailer

Why

The doubles/triples endorsement is an addition to a Class A CDL, required specifically because pulling more than one trailer brings handling risks a single-trailer license doesn't test for.

Updated: November 2026

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Which of the following is true about the doubles/triples endorsement?

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