Prepare for the Idaho written driver's license test. Use questions with hints and explanations for effective study. Ace your exam with confidence!

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.


You may drive the posted speed limit:

  1. At all times

  2. Only when conditions permit

  3. In optimal weather conditions only

  4. Only in a non-congested area

The correct answer is: Only when conditions permit

Driving the posted speed limit is appropriate only when conditions permit. This acknowledgment is essential for safe driving, as it emphasizes the importance of adjusting speed according to various external factors such as weather, road conditions, and traffic density. For instance, even if the speed limit is set at 55 mph, if the roads are icy or visibility is poor due to fog or heavy rain, driving at that speed could result in an accident. Thus, while it is legal to drive at the posted limit, it is crucial to consider whether the conditions around you allow for safe travel at that speed. This principle encourages defensive driving and ensures the safety of all road users, promoting a more adaptable and considerate approach to speed.