Definition of interstate in English:


(also interstate highway)


  • 1Existing or carried on between states, especially of the US.

    ‘interstate travel’
    • ‘There's a novel idea, relocate some of the existing interstate clubs to Victoria, and I might get to see some finals action within 500 km of my home.’
    • ‘Because of the distances involved, and the changes in railway gauges between the states, some 80-90% of Australian interstate trade was carried by sea.’
    • ‘Reed defines them both as ‘professionals’ in the sense that they made a living primarily from carrying on interstate trade by sea for a significant period of their lives.’
    • ‘External boundaries of such zones are defined on the basis of earlier international treaties and the existing practice of interstate relations.’
    • ‘I'd actually like to be able to come down for MIFF, but both festivals fall during the final two or three weeks of second semester and it's hard enough working around classes let alone around interstate travel!’
    • ‘They paid for their memberships, their interstate travel, their merchandise and donated through their hard work, the use of their homes for functions, their endless hours trying to improve the club.’
    • ‘The 1992 law that Potter refers to is the Animal Enterprise Protection Act, and makes a federal crime of the intentional physical disruption of an animal enterprise involving interstate travel.’
    • ‘Because nearly every gun has traveled in or affected interstate commerce, the federal law of possessing guns in school zones is essentially the same today as it was pre-Lopez.’
    • ‘Congress could have been much broader here: they could have made the conduct a crime when it occurs anywhere in the U.S. so long as the image travels in interstate commerce.’
    • ‘The statute is not limited to possession in or even affecting interstate commerce, or to possession of a firearm that has traveled in interstate commerce.’
    • ‘In the last decade interstate travel increased 37 percent, but miles of public roads increased only 5 percent.’
    • ‘The law forbade segregation in interstate travel services; however, segregation still existed and this is what forced the students to protest.’
    • ‘Under federal law, states were prohibited from imposing segregation in interstate travel.’
    • ‘In fact, it was a ticket for interstate travel from Queensland to New South Wales and back but we did not know that, your Honour.’
    • ‘I often wonder if all clubs should add training about handling interstate travel into their welfare programs.’
    • ‘Additional vaccinations, heartworm testing, preventative medication, and/or a health certificate may be needed for interstate travel.’
    • ‘And there were restrictions placed on interstate travel.’
    • ‘He was traveling on a dark interstate road with a 75 MPH posted speed limit.’
    • ‘The interstate shipment of stolen goods offence carries a maximum penalty of ten years in prison.’
    • ‘They argued that it was enough that the communications in that case travelled by means of an instrument of interstate commerce, such as the phone system.’
    1. 1.1US In a different state from one referred to or understood.
      ‘their interstate rivals’
      • ‘There are also different nonpublic and interstate military organizations.’


  • One of a system of motorways running between US states.

    ‘a picnic area just off the interstate’
    • ‘It seemed like it took forever to get those highways, those interstates, those major expressways, all the lanes moving in one direction, away from Houston so that people could move at a much faster pace.’
    • ‘First, while remembering that there are no freeways, highways, turnpikes or interstates, estimate the time you think it should take, keeping in mind getting-lost time.’
    • ‘Driving too slowly can be just as dangerous as speeding, especially when entering or exiting interstates or freeways.’
    • ‘Highway deaths didn't increase at all on the interstates and freeways of these seven states.’
    • ‘In the afternoon, state police took action, reversing inbound lanes on southeastern Louisiana interstates to provide more escape routes.’
    • ‘Smoothing the creases reveals an intricate network of roads, highways, and interstates.’
    • ‘So they kept busy constructing towns and cities, cutting cart paths through the forest which, in time, became carriage roads and interstates to lead them to the place.’
    • ‘We've got masses more traffic and congestion on our highways and interstates.’
    • ‘Major interstates and highways are a breeze, traffic patterns are well-established and the traffic is flowing quite smoothly.’
    • ‘Because cops like the interstates more than the highways.’
    • ‘And with some of these wind gusts, it's causing the blowing and drifting snow across the highway and the interstates.’
    • ‘The same holds true for state-owned property such as highways, streets, and interstates.’
    • ‘We have been driving around what seemed like endless stretches of highways and interstates.’
    • ‘But here I was: cold, tired, walking along an interstate in the dead dark of morning daydreaming about why sidewalks were never built along interstates.’
    • ‘That's painfully evident here in Minnesota, where interstates 35, 94, and 90 run like fat scars up and down and across the map.’
    • ‘For a short time, traffic crowded the interstates, as displaced residents flowed back into their neighborhoods to resume work interrupted by Hurricane Rita.’
    • ‘You are driving on the interstate and your exit is coming up a 1/4 mile ahead of you.’
    • ‘You remember the day that baby was kidnapped from the rest area on the interstate?’
    • ‘The Galleria is south of Butler between Philips Highway and the interstate.’
    • ‘She listens to the sounds of the highway as she walks, and she knows she's lucky to live on the outer sides of the suburb, where the town meets the avenue, and the avenue awkwardly greets the interstate.’
    street, road, roadway, avenue, boulevard, way


  • From one state to another.

    ‘House for sale. Owner moving interstate’
    • ‘If you travel interstate by public transport, you can avoid much inconvenience if you travel with only one piece of luggage, checked-in at least six hours before your journey.’
    • ‘The exhibition will be on show in New South Wales for the next twelve months with the hope eventually it will travel interstate.’
    • ‘Martin Stufkens is predicting the lettuce aphid will travel interstate this summer.’