CDL · CDL general knowledge
At which moments should you look in your mirrors when moving into another lane?
Correct answer: All of these are correct.
Answer options
- ABefore you signal, and again after you signal
- BRight after you start moving into the new lane
- CAll of these are correct Correct
Why
Changing lanes safely calls for several mirror checks: before you signal, to see if there is space; after you signal, to make sure no one has entered your blind spot; just after you begin the move, to confirm the way is still open; and when the lane change is finished.
About this question
Topic: CDL general knowledge License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of CDL Practice Exam (50 questions). Take the full set and check your score.
Practice CDL Practice ExamMore questions from CDL Practice Exam
- Regarding the clearance above your vehicle, which statement is correct?
- Your vehicle is hydroplaning, with the tires skimming over a layer of water. What is the correct response?
- Under the general rule for securing cargo, you need a minimum of one tie-down for each:
- When you use a fire extinguisher, which practice is correct?
- The trailer you are pulling begins to skid. What is the correct action?
- A traffic signal you are nearing has stayed green for quite some time. What is the safest way to approach it?
- What is true about an overheated engine and its cooling system?
- How can you tell whether a load you are about to haul contains any hazardous materials?
Practice on your phone.
Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.