Pennsylvania CDL Double/Triple Trailers Practice Test

Why should a doubles driver be cautious when entering a freeway from a ramp?

The long combination may block lanes or take longer to accelerate into a safe gap Doubles are exempt from yielding on ramps The rear trailer always accelerates faster than the tractor Air brakes stop working during ramp merges

Correct Answer:

The long combination may block lanes or take longer to accelerate into a safe gap

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