rule of the road

noun phrase

: a customary practice (such as driving always on a particular side of the road or yielding the right of way) developed in the interest of safety and often subsequently reinforced by law
especially : any of the rules making up a code governing ships in matters relating to mutual safety

Examples of rule of the road in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Some of these include route planning, rules of the road and maneuvers to avoid crashes. Carlos Rico, San Diego Union-Tribune, 29 Sep. 2025 Waymo said in a statement to KTVU that the Waymo Driver, the company’s autonomous driving system, is designed to follow the rules of the road. Don Sweeney, Sacbee.com, 29 Sep. 2025 This is the easiest way to learn about the rules of the road in your area, and if tinting the windows on your vehicle is right for you. Keenan Thompson, USA Today, 20 Sep. 2025 California continues to lead the nation in shaping the rules of the road for AI in employment. Alonzo Martinez, Forbes.com, 19 Sep. 2025 See All Example Sentences for rule of the road

Word History

First Known Use

1798, in the meaning defined above

Time Traveler
The first known use of rule of the road was in 1798

Browse Nearby Words

Cite this Entry

“Rule of the road.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/rule%20of%20the%20road. Accessed 6 Oct. 2025.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!