Under what conditions must a school bus stop be approved if it's on the main traveled portion of the highway?

• A. If there is not a clear view of the stop from 300 feet
• B. If the speed limit is more than 25 MPH and there is not a clear view from 500 feet
• C. If the speed limit is 50 MPH or higher
• D. If the stop is within 100 feet of a traffic signal

Answer: (B)

The correct choice addresses specific safety regulations concerning school bus stops on highways. A school bus stop located on the main traveled portion of the highway must be approved if the speed limit exceeds 25 MPH and there isn't a clear view of the stop from 500 feet. This requirement is in place to ensure that both the bus drivers and the motorists have sufficient distance to see the stop in advance, allowing for safer braking and reducing the risk of accidents.

When the speed limit is higher, and visibility is limited, it becomes increasingly critical for all parties involved to be aware of the school bus's presence and intended stops. This regulation aims to enhance safety for children boarding and disembarking from the bus in potentially hazardous traffic conditions, emphasizing the importance of proper sightlines in busy or high-speed areas.

While other conditions may relate to various aspects of bus stop safety, they do not encapsulate the combination of speed and visibility that is especially crucial in ensuring the safety of students at bus stops on busy highways.