An interstate highway is a major, high-speed road that is part of a national system of highways connecting different states. These highways are designed to allow long-distance travel with minimal interruptions, providing direct routes between cities and regions. Interstate highways typically have multiple lanes in each direction and are built to handle heavy traffic, including trucks and commercial vehicles. They often bypass local areas, avoiding city centers to speed up travel times. These roads are maintained by both national and state governments and are important for trade, transportation, and travel across the country.

英語での「interstate highway」の定義と意味

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