What must a driver do before entering a highway from a private road or driveway?

Before entering a highway from a private road or driveway, a driver must yield the right of way to all vehicles on the highway. This rule is in place to ensure that any vehicle already traveling on the highway has the right of way and to prevent collisions that could occur if a vehicle entering the highway does not wait for those vehicles to pass. Yielding allows for a safer merging process, as drivers on the highway are often traveling at higher speeds compared to those coming from a private road or driveway.

In this context, while it might seem prudent to stop completely, that may not always be necessary if the way is clear. However, the fundamental action required is to yield, acknowledging the priority of highway traffic. Furthermore, relying solely on turn signals or thinking that quick acceleration is safe does not address the potential for accidents if a driver on the highway is not given the right of way. Therefore, yielding is crucial for maintaining safety during the merging process onto a highway.