JJ Keller Entry Level Driver Training for CDL (Commercial Driver’s License) Practice Test

Question: 1 / 400

When should you check your mirrors while changing lanes?

Before changing lanes only

After completing the lane change only

Before, during, and after changing lanes

Checking your mirrors before, during, and after changing lanes is essential for maintaining awareness of your surroundings and ensuring safe maneuvers on the road. Before initiating the lane change, you need to assess the traffic conditions and blind spots to make an informed decision about whether it's safe to proceed. During the lane change, continuously checking your mirrors allows you to monitor the movement of other vehicles and adjust your actions accordingly. Finally, after completing the lane change, checking the mirrors ensures that you have successfully merged into the new lane without interfering with surrounding traffic. This comprehensive approach helps reduce the risk of collisions and enhances overall road safety, reinforcing good driving habits essential for all commercial drivers.

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Whenever you see other vehicles

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