From Longman Dictionary of Contemporary Englishsuperhighwaysu‧per‧high‧way /ˈsuːpəˌhaɪweɪ $ -pər-/ noun [countable] American EnglishTTR a very large road on which you can drive fast for long distances → information superhighway
Examples from the Corpus
superhighway• Opinion polls and focus groups are Stone Age implements in the brave new world of interactivity just down the communications superhighway.• The merged company would attract the billions of dollars necessary to construct the electronic superhighway.• Great swathes of the world don't even have electricity or roads, let alone an information superhighway.• Not only is Anaheim getting its $ 200 million information superhighway free, it intends to make money out of it.• The militia is really a direct-mail marketing operation for conspiracy theory videos and a busy interchange on the information superhighway.• A mission project of the Methodist Church is building a technology center so local businesses can travel the information superhighway.• Who will build this expensive new superhighway?From Longman Business Dictionarysuperhighwaysup‧er‧high‧way /ˈsuːpəˌhaɪweɪ-pər-/ see information superhighway 