Traffic Signs & Rules of the Road — Iowa Driver's License Practice Test

This Iowa Driver's License Traffic Signs & Rules of the Road practice set has 183 practice questions based on the official exam materials, each with an instant explanation. You need 80% on the real Iowa Driver's License knowledge test to pass.

Sample questions

Three questions from the Traffic Signs & Rules of the Road bank with the correct answer and an explanation. The practice quiz above draws 30 questions at random from the same bank.

1. What information do traffic signs provide, and how can a driver tell what type of information a sign gives?

   • Traffic laws, hazards, location, directions, and services; shape and color give clues to the type — Correct answer
   • Only the speed limit, shown by the number on the sign
   • Only directions, and only the size of the sign matters
   • Nothing legally enforceable; signs are merely suggestions

   Explanation: Traffic signs advise of traffic laws, hazards, location, directions, and where services are located. The shape and color of a sign give clues to the type of information it provides.

   Handbook: Traffic Signs & Rules of the Road — Traffic Signs

2. What does the color RED on a traffic sign mean?

   • Stop, yield, or do what is shown on the sign — Correct answer
   • Services for travelers such as fuel and lodging
   • Direction and distance to a place
   • A general warning of a hazard ahead

   Explanation: RED on a sign means stop, yield, or do what is shown on the sign.

   Handbook: Traffic Signs & Rules of the Road — Standard Colors

3. What does a GREEN traffic sign indicate?

   • Direction — where a place is or how far away it is — Correct answer
   • A regulatory law you must obey
   • Recreation and cultural points of interest
   • Road work and temporary traffic control

   Explanation: GREEN signs indicate direction — where a place is, or how far it is from where you are.

   Handbook: Traffic Signs & Rules of the Road — Standard Colors