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Flat mirrors are to be adjusted to show the driver what distance to the rear of the vehicle?

  1. 200 feet to the rear of the vehicle

  2. 1 inch of the bus

  3. The rear tire touching the ground

  4. None of the above

The correct answer is: 200 feet to the rear of the vehicle

The correct choice indicates that flat mirrors should be adjusted to show the driver a view of the area approximately 200 feet to the rear of the vehicle. This adjustment is crucial for ensuring proper visibility and safety while operating a school bus. By seeing a distance of 200 feet behind, the driver can adequately gauge the space for maneuvering, identify potential hazards, and ensure that they have sufficient awareness of what is approaching from behind. This specific distance is recommended because it allows the driver to have a broader view of any vehicles or obstacles that may be in proximity, thereby facilitating safer driving and backing procedures. The adjustment helps to minimize blind spots and supports the driver in making informed decisions when joining traffic or reversing. In contrast, showing only 1 inch of the bus or focusing solely on the rear tire touching the ground would not provide an adequate field of vision needed for safe operation. These adjustments do not meet the driving regulations for visibility and could significantly heighten the risk of accidents. Thus, the choice emphasizing a view of 200 feet reflects the importance of practical safety measures required for school bus operation.