Refers to the concept of a high-speed digital network, especially the Internet, as a conduit for information. Often used in discussions of technology policy and infrastructure.
The information superhighway concept was widely discussed in the 1990s.
The government invested a huge budget in developing the information superhighway.
Loanword from English 'information superhighway', composed of 情報 (information) and スーパーハイウェイ (superhighway).