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Involving, existing between, or connecting two or more states.
One of a national system of expressways connecting major population centers in the United States.
(Government, Politics & Diplomacy) between or involving two or more of the states of the US, Australia, etc
Austral to or into another state
(Civil Engineering) US a motorway crossing between states
in•ter•state(adj. ˌɪn tərˈsteɪt; n. ˈɪn tərˌsteɪt)
1. connecting or involving different states.n.
2. (sometimes cap.) a highway that is part of the nationwide U.S. Interstate Highway System.
interstate- A highway that is part of the federal network of major roads; despite their name, some interstates do not cross state lines.
See also related terms for highway.
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|Noun||1.||interstate - one of the system of highways linking major cities in the 48 contiguous states of the United States|
|Adj.||1.||interstate - involving and relating to the mutual relations of states especially of the United States; "Interstate Highway Commission"; "interstate highways"; "Interstate Commerce Commission"; "interstate commerce"|
intrastate - relating to or existing within the boundaries of a state; "intrastate as well as interstate commerce"