(Eastshore Freeway) in Berkeley, California: a typical American freeway (MUTCD definition)]]A freeway — also known as a highway, superhighway, autoroute, autobahn, autopista, autovía, autostrada, dual carriageway, expressway, or motorway — is a type of road designed for safer high-speed operation of motor vehicles through the elimination of at-grade intersections. This is accomplished by preventing access to and from adjacent properties and eliminating all cross traffic through the