What is another word for superhighway?
Pronunciation: [sˈuːpəhˌa͡ɪwe͡ɪ] (IPA) 
Superhighway, also referred to as a freeway, expressway, highway, motorway, autobahn, and turnpike, is a term used to describe a large, multi-lane road that is designed for high-speed traffic flow. The term superhighway was first used in the early 20th century and has since been used to describe major road networks around the world. The word superhighway suggests a modern, efficient means of transportation that connects major cities and regions. Synonyms for superhighway are used interchangeably depending on the location and type of road, but they all refer to a high-speed, limited-access road meant for fast travel.
