E. LearndmvDMV PRACTICE
Find your state Exam types Practice tests Sign in Create account ↗
Practice quizzes / Guam Road Signs Practice Practice Questions - Guam Driver License Knowledge Test Road Signs, Signals, and Pavement Markings Practice Exam / Question 94160
Practice question

Before changing lanes to pass, what should you not rely on by itself?

  1. Rear-view mirrors alone
  2. A proper signal
  3. Looking over your shoulder
  4. A clear lane ahead

Answer: A — Rear-view mirrors alone

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

Practice more: Guam Road Signs Practice Practice Questions - Guam Driver License Knowledge Test Road Signs, Signals, and Pavement Markings Practice 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.