National Highway System

American  

[nash-uh-nl hahy-wey sis-tuhm, nash-nuhl] / ˈnæʃ ə nl ˈhaɪˌweɪ ˌsɪs təm, ˈnæʃ nəl /

noun

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. NHS

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Etymology

Origin of National Highway System

First recorded in 1920–25

Example Sentences

States would submit their tally of total on-road emissions and the emissions from the National Highway System, but only the latter would be used to gauge performance, according to the proposal.

From Washington Post • Jul. 7, 2022

They would then calculate the percentage of driving that takes place on the National Highway System, and that total would be the basis for the required “declining targets” on carbon emissions.

From Washington Post • Jul. 7, 2022

In addition to interstates, the National Highway System — which is what’s covered under the proposed rule — includes roads that are important to the nation’s economy, defense and mobility, according to federal highway officials.

From Washington Post • Jul. 7, 2022

Alternative Fuel Corridors, as defined by the Federal Highway Administration, include approximately 165,722 miles of the National Highway System, covering 49 states and the District of Columbia.

From The Verge • Feb. 10, 2022