What does failing to yield upon entering a highway result in?

Failing to yield when entering a highway is a specific traffic violation that highlights the importance of recognizing and adhering to the rules of the road. When a driver approaches a highway from a secondary road or intersection, they are required to yield the right of way to vehicles that are already traveling on the highway. This action is crucial for maintaining traffic flow and ensuring safety.

Failure to yield in this context can lead to dangerous situations, including collisions between vehicles entering the highway and those already in transit. This is particularly hazardous because highway speeds are typically much higher than those on regular roads. Thus, recognizing that "fail to yield upon entering highway" is a result of this behavior is essential for understanding the direct consequence of not adhering to traffic laws.

The other options describe different types of traffic violations or unsafe driving practices but do not relate specifically to the situation of entering a highway without yielding. Therefore, the choice correctly identifies the specific violation associated with the act of not yielding upon entering a highway.