What is the purpose of mile posts on highways?

Answer: B — To show the distance from a particular point

Mile posts are installed along highways primarily to show the distance from a specific reference point, usually the start of the highway or a significant landmark. They are typically placed at one-mile intervals and provide drivers with important information regarding their location along the route. This can be useful for navigation, as drivers can identify how far they have traveled and estimate how far they still need to go to reach their destination. Additionally, mile posts can be vital in emergencies, allowing drivers to provide accurate information to emergency services about their location. It enhances awareness of one’s position on the roadway, which contributes to safer driving practices. The other options do not accurately describe the primary role of mile posts; they serve different purposes related to traffic management, regulation, and public safety.