Definition of superhighway
1 : a multilane highway (such as an expressway or turnpike) designed for high-speed traffic
Recent Examples of superhighway from the Web
Just north of the city’s bustling downtown, the neighborhood was disrupted decades ago by the construction of two intersecting, elevated superhighways that isolated the community and contributed to an economic decline.
The first was President Dwight Eisenhower, who championed the notion of continental superhighways before signing, in 1956, the law that authorized the Interstate Highway System.
The interconnect is like a data superhighway on which multiple co-processors can be plugged in.
This digital superhighway runs through beautiful Burlington, a small city sandwiched between the distant Green Mountains and the 125-mile-long Lake Champlain.
The obvious answer, then, is to make the road network as efficient as the information superhighway.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'superhighway.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of superhighway
SUPERHIGHWAY Defined for English Language Learners
Definition of superhighway for English Language Learners
: a large and wide highway used for traveling at high speeds over long distances
SUPERHIGHWAY Defined for Kids
Definition of superhighway for Students
: an expressway for high-speed traffic
Seen and Heard
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