E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / Iowa Permit Test Practice Questions - Iowa Driver's License Knowledge Test Exam / Question 106862
Practice question

What does a broken white line between lanes of traffic indicate?

  1. Traffic is moving in opposite directions
  2. Lane changes are permitted when it is safe
  3. Lane changes are prohibited
  4. The lane is reserved for buses only

Answer: B — Lane changes are permitted when it is safe

The correct answer is shown above. Try the full quiz for additional practice.

Practice more: Iowa Permit Test Practice Questions - Iowa Driver's License Knowledge Test Exam →
Learndmv.

Thoughtful practice for the road ahead. Find permit, road signs and CDL preparation by state.

Explore

Practice by stateAll practice testsExam types

Your account

My profilePractice historyAccount security

Get started

Create accountSign inSitemap
© 2026 LearndmvIndependent practice resource · Not affiliated with any state DMV.