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superhighway

[soo-per-hahy-wey, soo-per-hahy-wey] /ˈsu pərˌhaɪ weɪ, ˌsu pərˈhaɪˌweɪ/
noun
1.
a highway designed for travel at high speeds, having more than one lane for each direction of traffic, a safety strip dividing the two directions, and cloverleaves to route the traffic on and off the highway.
Compare expressway.
2.
any very fast route or course.
Origin
1925-1930
1925-30; super- + highway
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for superhighway
  • Down a bit on the information superhighway, the road ends.
  • Most companies are better at giving employees access to the information superhighway than at teaching them how to drive.
  • The result is that congestion on the information superhighway at rush hours rivals congestion on conventional highways.
  • Picture the system as a spinning superhighway, divided into myriad narrow lanes.
  • He doesn't see these boxes as part of the unitized superhighway of the networked economy.
  • If this is the information superhighway, we'd better get in the fast lane.
  • Location, value, convenience--the retail superhighway has got all that.
  • It's not even the longest superhighway in the interstate system.
  • Computer literacy is the data superhighway learner's permit.
  • Support learning opportunities through libraries, the information superhighway and emerging technologies.
British Dictionary definitions for superhighway

superhighway

/ˈsuːpəˌhaɪweɪ/
noun
1.
(mainly US) a fast dual-carriageway road
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for superhighway
n.

1925, from super- + highway.

Online Etymology Dictionary, © 2010 Douglas Harper
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superhighway in Technology
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Encyclopedia Article for superhighway

expressway

major arterial divided highway that features two or more traffic lanes in each direction, with opposing traffic separated by a median strip; elimination of grade crossings; controlled entries and exits; and advanced designs eliminating steep grades, sharp curves, and other hazards and inconveniences to driving. Frequently expressways have been constructed over completely new routes, passing near but not through large centres of population, on more or less direct lines between desired termini. Their advantages include high speed, greater safety, comfort and convenience for drivers and passengers, and lower vehicle operating costs. Many of these new express highways, especially in the United States, are toll roads, but that is an incidental, not an essential, feature.

Learn more about expressway with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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