How should a driver adjust their speed on a curve when operating a doubles or triples combination compared to a single trailer?
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Correct answer to question 98 (Doubles/Triples): Slow down more than usual, since the added length and rearward amplification increase rollover and swing risk
Why
The combination's greater length and the amplifying effect on the rearmost trailers make curves riskier at a given speed, so slowing down more than you would with a single trailer is important.
Updated: November 2026