Tractor-Trailer Rigs—What You Need to Know — Arkansas Driver's License Practice Test

This Arkansas Driver's License Tractor-Trailer Rigs—What You Need to Know practice set has 14 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real Arkansas Driver's License knowledge test to pass.

Sample questions

Three questions from the Tractor-Trailer Rigs—What You Need to Know bank with the correct answer and an explanation. The practice quiz above draws 14 questions at random from the same bank.

1. According to NHTSA, in fatal crashes involving a tractor-trailer and one or more other vehicles, which driver is the cause usually attributed to?

   • The driver of the car — Correct answer
   • The tractor-trailer driver
   • Neither driver — it is always mechanical failure
   • Both drivers equally in every case

   Explanation: NHTSA reports that in 72 percent of fatal crashes involving two or more vehicles where one is a tractor-trailer, the cause is usually attributed to the car. Knowing a truck's capabilities helps the car driver avoid these crashes.

   Handbook: Tractor-Trailer Rigs—What You Need to Know — Introduction

2. Compared with a car traveling at the same speed, a tractor-trailer needs:

   • A longer distance to stop — Correct answer
   • A shorter distance to stop
   • Exactly the same distance to stop
   • No distance, because its brakes are stronger

   Explanation: Tractor-trailers take longer to stop than a car traveling at the same speed because of their much greater weight. Always leave extra room when sharing the road with a large truck.

   Handbook: Tractor-Trailer Rigs—What You Need to Know — Braking

3. About how far may a fully loaded tractor-trailer traveling at 55 mph need to come to a complete stop?

   • More than 335 feet (about the length of a football field) — Correct answer
   • About 225 feet, the same as a car
   • About 100 feet
   • Less than 150 feet

   Explanation: An average passenger car at 55 mph stops in about 225 feet, but a fully loaded tractor-trailer at 55 mph may take more than 335 feet — the length of a football field — to stop completely.

   Handbook: Tractor-Trailer Rigs—What You Need to Know — Braking