356. When no signs are posted on a three-lane highway, a school bus transporting pupils must drive in _____ lane, except when passing, turning, or leaving the highway.
Detailed Explanation
The correct answer is "c. Lane three.". This question tests school-bus loading procedures, student accountability, and danger-zone safety. Because the prompt uses negative wording, identify the normally correct safety rules first, then select the exception.
Correct Answer: c. Lane three.
Why This Matters on the CDL Test
This is a vehicle-control question. Practice connecting the rule to the driving action: checking mirrors, managing space, planning turns, and avoiding sudden movements are all tested because they prevent crashes in real traffic.
How to Remember It
Say the rule in your own words, then explain why the wrong answers are unsafe or incomplete. That habit makes similar General Knowledge questions easier when the exam changes the wording.
Answer Review
Choose "c. Lane three." because this answer matches the safe CDL action for vehicle control and low-speed maneuvering. On the knowledge test, the safest answer is usually the one that protects space, control, visibility, legal compliance, or inspection accuracy before the vehicle is put at risk.
Why the other answers are weaker
- a. Lane one."a. Lane one." does not best answer this vehicle control and low-speed maneuvering question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
- b. Lane two."b. Lane two." does not best answer this vehicle control and low-speed maneuvering question. When you see a similar option on the CDL permit test, compare it against the exact safety rule and choose the answer that prevents the most immediate risk.
Test-Day Checklist
- Read the question once for the topic, then read it again for the exact CDL action being tested in General Knowledge.
- Eliminate answers that sound convenient but skip an inspection, warning sign, or safety step.
- Say the correct rule out loud before moving on so you can recognize it when the exam changes the wording.
Ready to practice for real?
Take our free, full-length General Knowledge practice test. Simulates the actual DMV exam with timed questions.
Start Practice TestRelated Questions
345. The posted speed limit is 65 mph. A vehicle transporting explosives may legally drive no faster than ____ mph, weather conditions permitting.
131. You must park on the side of a level, straight, four-lane, divided highway. Where should you place the three reflective triangles?
110. During what time in your pre-trip inspection of a school bus do you check the back emergency door? (to ensure it is closed.)
117. You are driving on a straight, level highway at 50 mph. There are no vehicles in front of you. Suddenly a tire blows out on your vehicle. What should you do first?
124. Tank vehicles are used to carry any liquid and are dangerous to drive because:
Keep Studying General Knowledge
Question pages help you review one rule at a time. To build test-day speed, move back into the full General Knowledge practice test and answer a mixed set without looking at the explanation first.
State CDL Practice Paths
After you understand this answer, use a state practice path to connect the federal CDL rule with the DMV test pages drivers search for most.