Under what conditions can a driver be cited for obstructing another vehicle's right-of-way?

A driver can be cited for obstructing another vehicle's right-of-way specifically when failing to yield at a stop sign. This situation directly relates to the rules governing right-of-way, which ensure that traffic flows safely and predictably. When a driver approaches a stop sign, they are legally required to come to a complete stop and yield to any vehicles or pedestrians that have the right-of-way. By neglecting this obligation, the driver creates a situation where another vehicle may have to brake or otherwise adjust their path to avoid a collision, thereby obstructing their right-of-way.

This violation is a clear infringement of traffic laws designed to protect the rights of other drivers and maintain safe roadway conditions. It unmistakably exemplifies an instance where one driver’s actions can directly interfere with another's ability to proceed safely and legally on the road.

The other conditions presented do not relate as directly to the concept of obstructing a vehicle’s right-of-way. While improper lane changes or merging without signaling can lead to dangerous situations, they do not inherently indicate a failure to yield to another vehicle that has the right-of-way in the same way that not stopping at a stop sign does. Thus, the best answer pertains to the clear stop sign rule, highlighting the importance of yielding