National Highway System

[ nash-uh-nl hahy-wey sis-tuhm, nash-nuhl ]

  1. a network of highways within the United States, designated by Congress in 1995, including the Interstate Highway System and other roads that serve airports, seaports, railroad terminals, military bases, etc.: the largest highway system in the world. Abbreviation: NHS

Origin of National Highway System

First recorded in 1920–25

Words Nearby National Highway System Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use National Highway System in a sentence