(2/133) When changing lanes on a highway, you should:
Accuracy: 0.0%
AI Difficulty: 2
Explanation
AI Difficulty Assessment
2
Question Analysis
The Texas Driver Handbook (Class C) states that before changing lanes, drivers must follow a safe lane-change procedure: signal your intention, check your mirrors, and check your blind spot by glancing over your shoulder. These steps are required to ensure you can see other vehicles and avoid collisions. The handbook emphasizes that mirrors do not show everything, so a shoulder check is essential. The question tests whether the driver knows all the required actions for a safe lane change.
Correct Answer Analysis
Correct Answer: All of the above.
The correct answer is 'All of the above' because a proper lane change requires all three actions: signaling, checking mirrors, and checking the blind spot. The Texas Driver Handbook explicitly lists these steps as part of the lane-changing procedure. Signaling communicates your intent to others, mirror checks show traffic behind and beside you, and a shoulder check covers the blind spot that mirrors may miss. Together, they form the complete safe lane-change routine.
Wrong Options Analysis
Option: Signal a lane change.
Signaling is necessary but not sufficient on its own. Without checking mirrors and blind spot, you could still collide with a vehicle you did not see. Therefore, this option alone is incomplete.
Option: Check your rearview and outside mirrors.
Checking mirrors is important, but mirrors have blind spots. The Texas Driver Handbook requires a shoulder check in addition to mirror checks. Thus, this option alone is incomplete.
Option: Check your blind spot by glancing over your shoulder.
Checking the blind spot is critical, but you must also signal and check mirrors. Without signaling, other drivers may not anticipate your move, and without mirror checks, you may miss vehicles approaching from behind. So this option alone is incomplete.
About this Texas Class C License question
This question is part of the America Texas (TX) Class C License knowledge test question bank. Read the explanation above, then browse more questions on the same topic below.
Confirm the rule in the official source: Texas Driver Handbook (DL-7)
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