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Idaho Speed Control practice

Practice 11 Idaho DMV questions on speed control. Answer interactively below with an instant explanation after every question.

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Example questions & answers

1

Under what circumstances is it considered illegal to drive below the posted speed limit?

Illustration for question 1
  • A.if you are slow due to harsh weather conditions.
  • B.only if you are staying in the city.
  • C.only if you are on rural roads.
  • D.if you are impeding the flow of other traffic traveling at a lawful rate of speed.✓

Why: It is illegal to drive so slowly that you block the normal movement of traffic. You must keep up with the flow of other vehicles unless bad weather or road conditions make it unsafe.

2

If you see this sign, what speed must you drive at?

Illustration for question 2
  • A.at least 40 mph.✓
  • B.no more than 50 mph.
  • C.at least 50 mph.
  • D.no more than 40 mph.

Why: This regulatory sign establishes a minimum speed limit of 40 mph. You are legally required to drive at or above this speed unless traffic, weather, or road conditions make it unsafe.

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