superhighway
US /ˈsuː.pɚˌhaɪ.weɪ/
UK /ˈsuː.pɚˌhaɪ.weɪ/
1.
a large, wide road designed for fast travel over long distances, typically with multiple lanes in each direction and limited access points
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The new superhighway significantly reduced travel time between the two cities.
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Traffic was heavy on the superhighway during rush hour.
2.
a high-capacity network or system, especially one for information or communication
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The internet is often referred to as the information superhighway.
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The company invested heavily in building a digital superhighway for its global operations.